1. 1. Statement I: Bryophytes are amphibians of plant kingdom.
Statement II: They live in soil but depend on water for sexual
reproduction.
(1) Both Statement I and Statement II are incorrect
(2) Statement I is correct but Statement II is incorrect
(3) Statement I is incorrect but Statement II is correct
(4) Both Statement I and Statement II are correct
2. 2. The process involving the transfer of electrons in the light
reactions of photosynthesis in plants is:
(1) cyclic photo-phosphorylation
(2) ATP synthesis in mitochondria
(3) Z-Scheme
(4) non-cyclic chemo-phosphorylation
3. 3. Assertion (A): Two kingdom classification was insufficient.
Reason (R): Majority of organisms did not fall into either of
categories in two kingdom classification.
(1) Both (A) and (R) are correct but (R) is not the correct
explanation of (A)
(2) (A) is correct but (R) is not correct
(3) (A) is not correct but (R) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
4. 4. Match column-I containing types of aestivation with their
examples given in column-II and choose the correct option.
Column-I Column-II
(Type of aestivation) (Examples)
A. Valvate i. Cotton
B. Twisted ii. Calotropis
C. Imbricate iii. Bean
D. Vexillary iv. Gulmohar
(1) A-I; B - II; C-IV; D – III
(2) A − II; B − I; C − IV; D − III
(3) A-II; B – IV; C-I; D – III
(4) A – II; B – I; C – III; D - IV
5. 5. Consider the following statements regarding starch and sucrose
synthesis during daytime and select the correct ones.
(i) Triose phosphate is confined to chloroplast and is utilised for
the synthesis of starch only.
(ii) Triose phosphate is translocated to cytosol from chloroplast.
(iii) Triose phosphate is utilised for the synthesis of both starch
and sucrose.
(iv) Triose phosphate is translocated from cytosol to chloroplast.
(1) (i) and (iii)
(2) (ii) and (iii)
(3) (ii) and (iv)
(4) (iii) and (iv)
6. 6. Match the items given in column-I with those given in column-II and choose
the correct option given below.
Column-I Column-II
A. Tapetum I. Oily and sticky layer, tissue help in pollination
B. Exine II. Acts as nutritive layer
C. Pollenkit III. Thick, rigid protective layer
D. Vegetative cell IV. Involve in the formation of microspores
(1) A-II; B - III; C-I; D - IV
(2) A − I; B − III; C − II; D - IV
(3) A - III; B - IV; C-I; D - II
(4) A-II; B - IV; C-III; D-I
7. 7. Which of the following statements is incorrect?
(1) Pyrenoids contain protein besides starch.
(2) Sexual reproduction may be isogamous, oogamous and
anisogamous in green and brown algae.
(3) Some of members of algae also occur in association with fungi
(lichen) & animals (eg, on sloth bear).
(4) The leaves in pteridophyta are small (macrophyll) and large
(microphyll).
8. 8. The term 'glycocalyx' is used for
(1) A layer surrounding the cell wall of bacteria
(2) A layer present between cell wall and membrane of bacteria
(3) Cell wall of bacteria
(4) Bacterial cell glyco-engineered to possess N-glycosylated
proteins
9. 9. Match column-I with column-II and select the option.
Column-I Column-II
(Fungi) (Common name)
A. Phycomycetes I. Sac fungi
B. Ascomycetes II. Algal fungi
C. Basidiomycetes III. Fungi imperfecti
D. Deuteromycetes IV. Bracket fungi
(1) A-II; B-I; C-IV; D - III
(2) A − II; B − IV; C − I; D − III
(3) A − IV; B − I; C − II; D − III
(4) A-IV; B-III; C-II; D-I
10. 10. Match column-I with column-II & select correct option from codes given
below.
Column-I Column-II
A. Stele I. Innermost layer of cortex
B. Endodermis II. Suberin
C. Casparian strips III. All the tissues exterior to vascular cambium
D. Bark IV. All the tissues inner to endodermis
(1) A-IV, B-I, C-II, D-III
(2) A-III, B-II, C-I, D-IV
(3) A-I, B-II, C-III, D-IV
(4) A-IV, B-II, C-I, D-III
11. 11. What sequence on the template strand of DNA corresponds to
the first amino acid inserted into a protein?
(1) TAC
(2) UAC
(3) UAG
(4) AUG
12. 12. At which stage, the homologous chromosomes separate due to
repulsion, but are yet held by chiasmata ?
(1) Zygotene
(2) Pachytene
(3) Diplotene
(4) Diakinesis
13. 13. Match column-I with column-II and select the correct option.
Column-I Column - II
A. Golgi apparatus I. Storage
B. Mitochondria II. Photosynthesis
C. Vacuoles III. Transport
D. Grana IV. Respiration
(1) A-III; B-IV; C-I: D-II
(2) A-I; B-II; C-IV:D-III
(3) A-IV; B-I; C-II:D-III
(4) A-I; B-II; C-III: D-IV
14. 14. Read the following five statements (i-v) on photosynthesis.
(i) Photosynthesis is an oxidoreductive process.
(ii) The stroma of chloroplast is responsible for the synthesis of ATP and
NADPH.
(iii) Membrane system of chloroplast is responsible for photochemical reaction.
(iv) Photosynthesis does not takes place in the ground tissue of leaves.
(v) In stroma, enzymatic reaction synthesize sugar.
Select the right option having both incorrect statement.
(1) (i) and (iv)
(2) (ii) and (iv)
(3) (ii) and (v)
(4) (iii) and (iv)
15. 15. Which of the following properties of cardiac muscles are
correct?
(i) These are the muscles of the heart.
(ii) These are non-striated.
(iii) These are involuntary in their functions.
(iv) These are controlled by nervous system directly.
(v) Cardiac muscles not straited.
Select the correct option.
(1) (i) and (iii)
(2) (ii), (iv) and (v)
(3) (i), (iv) and (v)
(4) (ii) and (iii)
16. 16. Match column I (containing list of scientists) with column II
(their contributions) and choose the correct option.
Column-I Column-II
(Name of the Scientist) (Contributions)
A. Charles Darwin I. Mutation theory
B. Lamarck II. Philosophie Zoologique
C. Hugo de Vries III. The Origin of species
D. Ernst Haeckel IV. Biogenetic law
(1) A-III; B - II; C-I; D - IV
(2) A-III; B - II; C-IV; D - I
(3) A-II; B-I; C-IV; D - III
(4) A-IV; B-II; C-I; D - III
17. 17. Which of the following statement is correct?
(1) Injecting microbes during immunization induces passive
immunity.
(2) Cell-mediated immune response is responsible for graft
rejection.
(3) Colostrum during initial days of lactation provides active
immunity to infant.
(4) None of the above
18. 18. Renal calculi is
(1) soluble mass of crystallised salts in kidney.
(2) soluble mass of protein in kidney.
(3) insoluble mass of proteins in kidney.
(4) insoluble mass of crystallised salts in kidney.
19. 19. Read the following four statements (i-iv) about certain mistakes in two of
them
(i) The first transgenic buffalo, Rosie produced milk which was human alpha-
lactal albumin enriched.
(ii) Restriction enzymes are used in isolation of DNA from other macro-
molecules.
(iii) Downstream processing is one of the steps of r-DNA technology.
(iv) Disarmed pathogen vectors are also used in transfer of r-DNA into the host.
Which are the two statements having mistakes?
(1) Statement (ii) and (iii)
(2) Statement (iii) and (iv)
(3) Statement (i) and (iii)
(4) Statement (i) and (ii)
20. 20. In a DNA strand the nucleotides are linked together by
(1) glycosidic bonds
(2) phosphodiester bonds
(3) peptide bonds
(4) hydrogen bonds
21. 21. Match column I with column II and choose the correct
combination from the options given below.
Column-I Column-II
A. Hypogynous I. Ray florets of sunflower
B. Perigynous II. Brinjal
C Epigynous III Peach
D. Staminode IV. Sterile stamen
(1) A-II; B - I; C-III; D - IV
(2) A-I; B - II; C-III; D - IV
(3) A-III; B - II; C-I; D - IV
(4) A-II; B - III; C-I; D - IV
22. 22. If both parents are carriers for thalassemia, which is an
autosomal recessive disorder, what are the chances of pregnancy
resulting in an affected child?
(1) No chance
(2) 50%
(3) 25%
(4) 100%
23. 23. Statement-I: The main purpose of cellular respiration is to
convert energy stored in the chemical bonds of glucose to an
energy that the all can use.
Statement-II: It is purely a catabolic process.
(1) Both Statement I and Statement II are incorrect
(2) Statement I is correct but Statement II is incorrect
(3) Statement I is incorrect but Statement II is correct
(4) Both Statement I and Statement II are correct
24. 24. Which pigment acts directly to convert light energy to
chemical energy?
(1) Chlorophyll- 𝑎
(2) Chlorophyll- 𝑏
(3) Xanthophyll
(4) Carotenoid
25. 25. Assertion (A): Meiosis II is known as equational or homotypic
division.
Reason (R): Meiosis II produces same number of chromosome in
cell.
(1) Both (A) and (R) are correct but (R) is not the correct
explanation of (A)
(2) (A) is correct but (R) is not correct
(3) (A) is not correct but (R) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
26. 26. The total sum of all the chemical reactions occurring in our
body is known as:
(1) metabolism
(2) growth
(3) regeneration
(4) reproduction
27. 27. Which of the following statements are correct?
(i) Xylem transports water and minerals.
(ii) Gymnosperms lack sieve tubes and companion cells in phloem.
(iii) The first formed primary xylem is called metaxylem.
(iv) Phloem fibres (bast fibres) are made up of collenchymatous
cells.
(v) Root hairs help absorb water and glucose.
(1) (i) and (iii)
(2) (i) and (ii)
(3) (iii) and (iv)
(4) (i) and (iv)
28. 28. The rate at which light energy is converted into chemical
energy of organic molecules is the ecosystem’s
(1) net primary productivity
(2) gross secondary productivity
(3) net secondary productivity
(4) gross primary productivity
29. 29. Match the items given in column-I with their examples given in
column-II and choose the correct option given below.
Column-I (Items) Column-II (Examples)
A. Ovary I. Fruit
B. Ovule II. Guava, orange, mango
C. Wall of ovary III. Pericarp
D. Fleshy fruits IV. Seed
(1) A-I; B-IV; C-III; D-II
(2) A-I; B-II; C-III; D-IV
(3) A − I; B − III; C − II; D − IV
(4) A-III; B-IV; C-I; D-II
30. 30. Meiosis in diploid organisms results in
(1) production of gametes
(2) reduction in the number of chromosomes
(3) introduction of variation
(4) All of the above
31. 31. Assertion (A): Both at the root apex and the shoot apex, the
constantly dividing cells show the meristematic phase of growth.
Reason (R): The cells of this region are rich in protoplasm and
lacks nuclei.
(1) Both (A) and (R) are correct but ( R) is not the correct
explanation of (A)
(2) (A) is correct but (R) is not correct
(3) (A) is not correct but ( 𝑅 ) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
32. 32. Match column-I with column-II & select correct combination
from given options. [New NCERT/XII/95]
Column-I Column-II
A. Sigma factor I. 5′ − 3′
B. Capping II. Initiation
C. Tailing III. 3' end
D. Coding strand IV. 5’ end
(1) A-III; B-I; C-IV; D-II
(2) A-II; B-IV; C-III; D-I
(3) A − II; B − IV; C − I; D − III
(4) A-III; B-II; C-IV; D-I
33. 33. Chemotaxonomy is connected with
(1) classification of chemicals found in plants.
(2) uses the chemical constituent of plant for classification.
(3) application of chemicals on herbarium sheets.
(4) use of statistical methods in chemical yielding plants.
34. 34. Match the terms given in column-I with their examples given
in column-II and choose the correct option
Column-I Column-II
A. Ascus I. Blue-green algae
B. Basidium II. Penicillium
C. Protista III. Agaricus
D. Cyanobacteria IV. Euglena
(1) A-I, B - III, C-IV, D - II
(2) A - I, B - II, C - III, D - IV
(3) A-II, B - IV, C-III, D - I
(4) A-II, B - III, C-IV, D-I
35. 35. Vessels are found in
(1) all angiosperms and some gymnosperms.
(2) the presence of vessels is a characteristic feature of
angiosperms.
(3) all angiosperms, all gymnosperms and some pteriodophyta.
(4) all pteridophyta
36. 36. Crossing over occurs between
(1) sister chromatids of homologous chromosomes.
(2) non-sister chromatids of homologous chromosomes.
(3) sister chromatids of non-homologous chromosomes.
(4) non-sister chromatids of non-homologous chromosomes.
37. 37. Match the columns and identify the correct option.
Column I Column II
(A) Thylakoids (i) Disc-shaped sacs in Golgi apparatus
(B) Cristae (ii) Condensed structure of DNA
(C) Cisternae (iii) Flat membranous sacs in stroma
(D) Chromatin (iv) Infoldings in mitochondria
(A) (B) (C) (D)
(1) (iii) (iv) (i) (ii)
(2) (iii) (i) (iv) (ii)
(3) (iii) (iv) (ii) (i)
(4) (iv) (iii) (i) (ii)
38. 38. Which of the following statement of a bacterial cell is/are
correct.
(i) Mesosome is formed by the extensions of plasma membrane
into the cell.
(ii) The pili are elongated tubular structures made up of a protein.
(iii) Flagellum is composed of filament, hook and basal body.
(iv) Ribosomes are about 15nm by 20nm in size.
(v) Bacteria have a chemically complex cell envelope.
(1) (i), (ii), (iii) and (v)
(2) All of the above
(3) (ii) and (iv)
(4) None of the above
39. 39. Formation of seeds (individuals) without fusion is called
(1) fertilisation
(2) pollination
(3) apomixis
(4) amphimixis
40. 40. The formation of interfascicular cambium in plant is due to:-
(1) Non-differentiation
(2) Re-differentiation
(3) Differentiation
(4) De-differentiation
41. 41. " G0 " state of cells in eukaryotic cell cycle denotes
(1) check point before entering the next phase.
(2) pausing in the middle of a cycle to cope with a temporary
delay.
(3) death of a cell.
(4) exit of cells from cell cycle.
42. 42. No. of carbons in the primary CO2 fixation product of C4 plant
is
(1) 2
(2) 3
(3) 4
(4) 5
43. 43. Which stages of cell division do the following figures 𝐴 and 𝐵
represent respectively?
(1) Metaphase Telophase
(2) Telophase Metaphase
(3) Late Anaphase Prophase
(4) Prophase Anaphase
44. 44. Significance of meiosis lies in
(1) reduction of chromosome number to one half.
(2) maintaining consistancy of chromosome number during sexual
reproduction.
(3) production of genetic variability.
(4) all of the above.
45. 45. Match the following columns. [New NCERT/XII/221]
Column I Column II
(I) Dodo (A) Africa
(II) Quagga (B) Russia
(III) Thylacine (C) Mauritius
(IV) Stellar's sea cow (D) Australia
Choose the correct match from the following
(1) I-A, II-C, III-B, IV-D
(2) I-D, II-C, III-A, IV-B
(3) I-C, II-A, III-B, IV-D
(4) I-C, II-A, III-D, IV-B
46. 46. The correct statements about bryophytes are:
(i) Sex organ in bryophytes are multicellular
(ii) The sperms are released into water which swim through water
to fuse with the egg to produce the zygote outside the body.
(iii) Immediate reduction division occurs in zygotes
(iv) A multicellular body called a sporophyte is then produced.
(v) The sporophyte is not -free living but attached to
photosynthetic gametophyte.
(1) (i); (ii) and (iii) only
(2) (i), (ii), (iv) and (v) only
(3) (i) and (iv) only
(4) (iii) and (iv) only
47. 47. Best stage to observe shape, size and number of chromosomes
is
(1) interphase
(2) metaphase
(3) prophase
(4) telophase
48. 48. Column-I lists the endocrine structure and column-II lists the
corresponding hormones. Match the two columns and identify the
correct option given below.
Column-I Column-II
A. Hypothalamus I. Estrogen
B. Anterior pituitary II. FSH and LH
C. Testis III. Testosterone
D. Ovary IV. Gonadotropin releasing hormone
(1) A-IV; B-II; C-III; D - I
(2) A − I; B − III; C − II; D - IV
(3) A − I; B − II; C − IV; D - III
(4) A-III; B - I; C - IV; D - II
49. 49. Assisted reproductive technology, IVF involves transfer of
(1) Ovum into the fallopian tube.
(2) Zygote into the fallopian tube.
(3) Zygote into the uterus.
(4) Embryo with 16 blastomeres into the fallopian tube.
50. 50. The cortical region of the kidney has
(1) malpighian corpuscle
(2) PCT
(3) DCT
(4) All the above
51. 51. Statement I: Cold blooded animals are poikilothermous.
Statement II: They lack the capacity to regulate their body
temperature
(1) Both Statement I and Statement II are incorrect
(2) Statement I is correct but Statement II is incorrect
(3) Statement I is incorrect but Statement II is correct
(4) Both Statement I and Statement II are correct
52. 52. In cockroach, the testes are present in
(1) 3, 4, 5 abdominal segments
(2) 4, 5, 6 abdominal segments
(3) 5, 6,7 abdominal segments
(4) 6,7,8 abdominal segments
53. 53. Which of the following statements (i-iv) are correct.
(i) In elution, the separated bands of DNA are cut out from agarose
gel and extracted from the gel piece.
(ii) E. coli cloning vector pBR 322 shows several restriction Ori,
antibiotic resistance genes and rop. (iii) The
downstream processing and quality control testing vary from
product to product.
(iv) Competent bacterial cell cannot take up the plasmid.
(1) All of the above
(2) None of the above
(3) (i), (ii), and (iii)
(4) Only(iv)
54. 54. C-peptide of human insulin is
(1) a part of mature insulin molecule
(2) responsible for the formation of disulphide bridges
(3) removed during maturation of pro-insulin to insulin
(4) responsible for its biological activity
55. 55. Amoebiasis is caused by
(1) Plasmodium vivax
(2) Entamoeba gingivalis
(3) Trypanosoma gambiense
(4) Entamoeba histolytica
56. 56. Assertion (A): Organ transplantation patients are given
immunosuppressive drugs.
Reason (R): Transplanted tissue has antigens which stimulate the
specific immune response of the recipient.
(1) Both (A) and (R) are correct but (R) is not the correct
explanation of (A)
(2) (A) is correct but ( R) is not correct
(3) (A) is not correct but (R) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
57. 57. Which of the following statement(s) is/are correct regarding
class aves?
(i) The forelimbs are modified into wings and the hindlimbs
generally have scales and are modified for
walking, swimming or clasping the tree branches.
(ii) Heart is completely four-chambered.
(iii) They are warm- blooded (homoiothermous) animals i.e., they
are able to maintain a constant body temperature.
(iv) They are oviparous and development is direct.
(1) Both (i) and (iii)
(2) Both (i) and (iv)
(3) (i), (ii) and (iii)
(4) All of these
58. 58. Which phase of menstrual cycle is also called secretory phase
(1) Luteal
(2) Ovulatory
(3) Follicular
(4) Menstruation
59. 59. Which of the following is/are involved in limbic system?
(1) Inner part of cerebral hemisphere
(2) Amygdala
(3) Hippocampus
(4) All of the above
60. 60. Match the name of scientists listed under column I with the
ideas listed under column II.
Column I Column II
A. Darwin I. Abiogenesis
B. Oparin II. Use and disuse of organs
C. Lamarck III. Worked in MalayArchipelago
D. Wallace IV. Evolution by natural selection
(1) A-I, B-IV, C-II, D-III
(2) A-IV, B-I, C-II, D-III
(3) A-II, B-IV, C-III, D-I
(4) A-IV, B-III, C-II, D-I
61. 61. Match the features that are required to facilitate cloning of alien DNA into a vector
Column – I Column – II
(Features to facilitate) (Cloning Vector)
A. Origin of replication I. Agrobacterium tume (ori) faciens
B. Selectable Marker II. Recognition sites commonly used for restriction enzymes
C. Vectors for cloning genes in plants III. Sequence from where replication starts
D. Ethidium bromide IV. DNA staining
Choose the correct answer from the options given below
(1) A-IV, B-III, C-II, D-I
(2) A-I, B-II, C-III, D-IV
(3) A-II, B-III, C-I, D-IV
(4) A-III, B-I, C-II, D-IV
62. 62. Dissociation curve shifts to the right when
(1) pH increases.
(2) CO2 concentration increases.
(3) O2 concentration decreases.
(4) 2,3 D-P-G decreases
63. 63. Assertion (A): Lipids are generally insoluble in water.
Reason (R): Arachidonic acid has 20 carbon atoms including the
carboxyl carbon.
(1) Both (A) and (R) are correct but (R) is not the correct
explanation of (A)
(2) (A) is correct but ( R) is not correct
(3) (A) is not correct but (R) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
64. 64. Match the following and choose the correct option.
A. Adipose tissue (i) Nose
B. Stratified epithelium (ii) Blood
C. Hyaline cartilage (iii) Skin
D. Fluid connective (iv) Fat storage tissue
(1) A-(i), B-(ii), C-(iii), D-(iv)
(2) A-(iv), B-(iii), C-(i), D-(ii)
(3) A-(iii), B-(i), C-(iv), D-(ii)
(4) A-(ii), B-(i), C-(iv), D-(iii)
65. 65. Read the following statements and identify the incorrect statements.
(i) The pineal gland is located on the ventral side of forebrain.
(ii) The parathyroid gland is composed of follicles and stromal tissues.
(iii) Iodine is essential for the normal rate of hormone synthesis in the thyroid.
(iv) In adult women, hypothyroidism may cause menstrual cycle to become
irregular.
(v) Thyroid hormones control the metabolism of carbohydrates, proteins and
fats.
(1) Only(i), (ii) and (iii)
(2) Only (iv) and (v)
(3) Only(iii) and (iv)
(4) Only(i) and (ii)
66. 66. Match the followinglist of microbes and their importance.
Column-I Column-II
A. Saccharomyces cerevisiae I. Production of immunosuppressive agents
B. Monascus Purpureus II. Ripening of Swiss cheese
C. Trichoderma polysporum III. Commercial production of ethanol
D. PropionibacteriumIV. sharamanii IV. Production of blood cholestrol lowering agents
(1) A-IV; B-III; C-II; D-I
(2) A − IV; B − II; C − I; D − III
(3) A-III; B-I; C-IV; D-II
(4) A-III; B - IV; C-I; D - II
67. 67. Statement I: Neanderthal man is the intermediated between
Ramapithecus and Homo erectus.
Statement II: Neanderthal man, with brain size of 800cc used hides
to protect their body.
(1) Both Statement I and Statement II are incorrect
(2) Statement I is correct but Statement II is incorrect
(3) Statement I is incorrect but Statement II is correct
(4) Both Statement I and Statement II are correct
68. 68. Cartilaginous rings in respiratory passage are present in
(1) Trachea only
(2) Trachea and initial part of bronchi only
(3) Trachea, bronchi and initial bronchioles only
(4) Trachea, bronchi and all bronchioles
69. 69. All the following amino acids are aromatic, except
(1) tyrosine
(2) phenylalanine
(3) tryptophan
(4) valine
70. 70. Select the hormones produced in women only during
pregnancy
(i) Estrogen
(ii) Human chronic gonadotroph
(iii) Progesterone
(iv) Human placental lactogen
71. 71. In which part of the heart SA node is present
(1) sinus-venosus
(2) interatrial septum
(3) right atrium
(4) atrioventricular septum
72. 72. Which of the following statement (s) is/are correct?
(i) Loose connective tissue contains fibroblasts, macrophages and
mast cells.
(ii) Adipose tissue is a type of dense connective tissue located
mainly beneath the skin.
(iii) Tendons and ligaments are examples of dense irregular
connective tissue.
(iv) Cartilage, bones and blood are various types of specialized
connective tissue.
(1) Only (i)
(2) Both (ii) and (iv)
(3) Both (i) and (iii)
(4) (i), (iii) and (iv)
73. 73. Adaptive radiation refers to:
(1) power of adaptation in an individual to a variety of
environments.
(2) adaptations due to Geographical isolation.
(3) evolution of different species from a common ancestor.
(4) Migration of members of a species to different geographical
areas.
74. 74. Statement I: GMO reduces the nutritional value of food.
Statement II: GMO increases the post
harvesting losses.
(1) Both Statement I and Statement II are incorrect
(2) Statement I is correct but Statement II is incorrect
(3) Statement I is incorrect but Statement II is correct
(4) Both Statement I and Statement II are correct
75. 75. Which of the following is acting as an artificial kidney in
haemodialysis?
(1) dialysing liquid
(2) dialyser
(3) bubble trap
(4) blood pump
76. 76. Which one is correct about bivalent?
(i) Bivalent are tetrads.
(ii) A bivalent means 4 chromatids and 2 centromere.
(iii) One bivalent consists of 2 homologous chromosomes each and
sister chromatids.
(iv) Bivalents formation occurs in zygotene.
(1) All of these
(2) Only(iii)
(3) (iii) and (iv)
(4) Only (iv)
77. 77. Select the correctly matched pair.
I. S phase DNA replication
II. Zygotene Synapsis
III. Diplotene Appearance of recombination nodules
IV. Meiosis Both haploid and diploid cells
(1) I and II
(3) II and IV
(2) III and IV
(4) I and III
78. 78. The given characters are seen in which of the following group?
(i) Unicellular, colonial, filamentous, marine or terrestrial forms.
(ii) The colonies are surrounded by a gelatinous sheath.
(iii) Some can fix atmospheric nitrogen in specialized cells called
heterocysts.
(iv) They often form blooms in water bodies.
(v) Some of these organisms can fix atmospheric nitrogen.
(1) Archaebacteria
(2) Cyanobacteria
(3) Chrysophytes
(4) Dinoflagellates
79. 79. Match the items given in column-I with their examples given in
column-II and identify the correct option.
Column-I Column II
A. Coleorhiza I. Banana
B. Food storing tissue II. Endosperm
C. Parthenocarpic fruit III. Maize
D. Single seeded fruit developing IV. Radicle
from monocarpellary superior ovary
(1) A-III; B-I; C-IV; D-II
(2) A-IV;B-III; C-II; D-I
(3) A-II; B-I; C-III; D-IV
(4) A − IV; B − II; C − I; D − II
80. 80. Synthesis of lipids & carbohydrates is regulated by-
(1) SER
(2) RER
(3) Ribosomes
(4) Lysosomes
81. 81. Which of the following statement(s) is/are correct about
gemmae?
(i) These are specialised structures by which asexual reproduction
take place in liverworts.
(ii) They are green, multicellular and asexual buds.
(iii) They develop in small receptacles called gemma cups.
(iv) They detach from parent body and germinate to form new
individuals.
(1) (i) and (ii) only
(2) (ii) and (iii) only
(3) (i), (ii) and (iii) only
(4) All of these
82. 82. Pollen grains are well preserved as fossils because of presence
of
(1) sporopollenin
(2) cellulose
(3) lignocellulose
(4) pectocellulose
83. 83. Match column-I with column-II and select the correct option
from given codes.
Column-I Column-II
A. UUU I. Serine
B. GOG II. Phenylalanine
C. UCU III. Glycine
D. COC IV. Proline
(1) A-III; B-IV; C-II; D-I
(2) A-III; B-I; C-IV; D-III
(3) A − III; B − IV; C − I; D − II
(4) A-II; B - III; C-I; D-IV
84. 84. PEP is primary CO2 acceptor in:
(1) C4 plants
(2) C3 plants
(3) C2 plants
(4) both C3 and C4 plants
85. 85. Assertion (A): Cross of 𝐹1 individual with recessive
homozygous parent is a test cross.
Reason (R): No recessive individual is obtained in the monohybrid
test cross.
(1) Both (A) and (R) are correct but ( R) is not the correct
explanation of (A)
(2) (A) is correct but (R) is not correct
(3) (A) is not correct but ( R) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
86. 86. Match List I with List II [New NCERT/XII/101]
Column-I Column-II
(Genes in lac operon) (Products coded for)
A. i-gene I. 𝛽-galactosidase
B z-gene II. Transacetylase
C y-gene III. Repressor protein
D a-gene IV. Permease
Choose the correct answer from the options given below:
(1) A-I, B-II, C-IV, D-III
(2) A-III, B-I, C-IV, D-II
(3) A-III, B-IV, C-II, D-I
(4) A-I, B-II, C-III, D-IV
87. 87.In eukaryotes, mRNA is synthesized with the aid of
(1) RNA polymerase III.
(2) RNA polmerase II.
(3) RNA polymerase I.
(4) reverse transcriptase.
88. 88. Venation is a term used to describe the pattern of arrangement
of
(1) floral organs
(2) flower in infloresence
(3) veins and veinlets in a lamina
(4) all of them
89. 89. The kind of epithelium which forms the inner walls of blood
vessels is
(1) cuboidal epithelium
(2) columnar epithelium
(3) ciliated columnar epithelium
(4) squamous epithelium
90. 90. Column I contains zoological names of animals and column II
contains their common name. Match the following and choose the
correct option
Column-I Column-II
A. Physalia I. Sea anemone
B. Meandrina II. Brain coral
C. Gorgonia III. Sea fan
D. Adamsia IV. Portuguese man-of-war
(1) A-III; B - II; C-I; D – IV
(2) A-IV; B-III; C-II; D-I
(3) A − IV; B − II; C − III; D − I
(4) A-II; B - III; C-I; D - IV
91. 91. Assertion (A): In lymphatic system, lymph is known as tissue
fluid.
Reason (R): It comprises of plasma proteins, RBCs and WBCs.
(1) Both (A) and (R) are correct but (R) is not the correct
explanation of (A)
(2) (A) is correct but (R) is not correct
(3) (A) is not correct but (R) is correct
(4) Both (A) and (R) are correct and (R) is the correct explanation
of (A)
92. 92. Given below are four methods (A-D) of contraceptive in
column-I and their modes of action in achieving contraception in
column-II. Match the columns and select the correct option :
Column -I (Method) Column-II (Mode of Action)
A. The contraceptive pill I. Prevents sperms reaching cervix
B. Condom II. Prevents implantation
C. Vasectomy III. Prevents ovulation
D. Copper T IV. Semen contains no sperms
(1) A − II; B - III; C-I; D - IV
(2) A-III; B - I; C-IV; D-II
(3) A − IV; B − I; C − II; D − III
(4) A-III; B-IV; C-I; D-II
93. 93. Gene therapy can be referred to as
(1) Pre-clinical testing for inherited diseases in newborns
(2) Treatment of diseases caused by genetic defect
(3) Genetic engineering using rDNA technology
(4) Cancer treatment using in-vitro cultured stem cells
94. 94. If Henle's loop were absent from mammalian nephron which of
the following is to be expected
(1) there will be no urine formation
(2) there will be hardly any change in the quality and quantity of
urine formed
(3) the urine will be more concentrated
(4) the urine will be more dilute.
95. 95. Statement I: The head of sperm contains materials which helps
in fertilization.
Statement II: The function of mitochondria in sperm is to provide
energy for the movement of sperm.
(1) Both Statement I and Statement II are incorrect
(2) Statement I is correct but Statement II is incorrect
(3) Statement I is incorrect but Statement II is correct
(4) Statement II is correct but statement I is incorrect.
96. 96. Select the right match of endocrine gland and their hormones
among the options given below.
Column-I Column-II
A. Pineal I. Epinephrine
B. Thyroid II. Melatonin
C. Ovary III. Estrogen
D. Adrenal medulla IV. Tetraiodothyronine
(1) A-IV;B-II; C-I; D-III
(2) A-II; B-IV; C-I; D-III
(3) A-III;B-II; C-I;D-IV
(4) A-II; B-IV; C-III; D-I
97. 97. In agarose gel electrophoresis
(1) DNA migrates towards the negative electrode.
(2) supercoiled plamids migrate slower than their nicked
counterparts.
(3) larger molecules migrate faster than smaller molecules.
(4) ethidium bromide can be used to visualize the DNA.
98. 98. Male and female cockroaches can be distinguished externally
through
(1) anal styles in male
(2) anal cerci in female
(3) anal style and antennae in females
(4) both (2) and (3)
99. 99. Match the protein given in column I with its function given in
column II and choose the right option. [New NCERT/XI/109]
Column-I(Proteins) Column II(Functions)
A. Collagen I. Glucose transport
B. Trypsin II. Hormone
C. Insulin III. Intercellular ground substance
D. GLUT-4 IV. Enzyme
(1) A-III; B -IV; C-II; D - I
(2) A − IV; B − I; C − II; D − III
(3) A − II; B − IV; C − I; D − III
(4) A-III; B-IV; C-I; D-II
100. 100. Read the following 4-statements (i - iv) and accordingly mark
the option that has both correct statements.
(i) Cardiac fibres are branched with one or more nuclei.
(ii) Smooth muscles are unbranched and cylindrical.
(iii) Striated muscles can be branched or unbranched.
(iv) Involuntary muscles are non-striated.
(1) (i) and (iv)
(2) (ii) and (iii)
(3) (iii) and (iv)
(4) (i) and (iii)
