Dr.Nirav soni

1. CH-1 REPRODUCTION IN ORGANISMS MCQ
BIOLOGY -NEET STD-12 ENG.
Dr.Nirav Soni
25 State, National and International
Awards

5. 1. Which of the following process ensures the continuity of life on earth ?
(A) Reproduction
(B) Respiration
(C) Digestion
(D) Growth and development

6. 2. Match the items of Column - I with Column - II and choose the correct
option :
Column - I Column - II
(a) Binary fission (1) Algae
(b) Zoospore (2) Amoeba
(c) Conidium (3) Hydra
(d) Budding (4) Penicillium
(e) Gemmules (1) Sponges
(a) (b) (c) (d) (e)
(A) 1 4 1 3 2
(B) 1 4 3 1 2
(C) 2 4 3 1 1
(D) 1 4 3 2 1

7. 3. Select the wrong statement.
(A) Isogametes are similar in structure, function and behaviour
(B) Anisogametes differ either in structure, function and behaviour
(C) In oomycetes female gamete is smaller and motile, while male
gamete is larger and non-motile
(D) Chlamydomonas exhibits both isogamy and anisogamy and Fucus
shows oogamy

8. 4. Product of sexual reproduction generally generates
(A) longer viability of seeds
(B) prolonged dormancy
(C) new genetic combination leading to variation
(D) large biomass

9. 5. In which plants motile ciliated spores are produced during spore
formation ?
(A) Chlamydomonas
(B) Spirogyra
(C) Dictyota
(D) Fucus

10. 6. Hydra reproduces by budding. This is an example of
(A) Regeneration
(B) Abnormal development
(C) Asexual reproduction
(D) Sexual reproduction

11. 7.Budding is found in
(A) sycon
(B) hydra
(C) fasciola
(D) obelia

12. 8.Gemmule formation in sponges are useful in
(A) asexual reproduction
(B) sexual reproduction
(C) parthenogenesis
(D) parthenocarpy

13. 9. The internal buds of fresh water sponges are otherwise called
(A) choanocyte
(B) gemmule
(C) osculum
(D) blastula

14. 10. Process of fusion of haploid cells is_____________
(A) cell cycle
(B) meiosis
(C) mitosis
(D) syngamy

15. 11.Animals who give birth to young one are
(A) oviparous
(B) viviparous
(C) ovoviviparous
(D) none above

16. 12.Grafting is not possible in monocot because of
(A) scattered vascular bundles
(B) lack of cambium
(C) collateral open vascular bundles
(D) radial vascular bundles

17. 13.Banana is propagated by
(A) Tubers
(B) Rhizomes
(C) Bulbs
(D) Suckers

18. 14. A few plants exhibit unusual flowering phenomenon, in which of
them flower only once in their life time generally after 50-100 years,
produce large numbers of fruits.
(A) Strobilanthus kunthiana
(B) Bamboo
(C) Callistemon linearis
(D) Cymbopogon reptoeus

19. 15. Choose the correct statement from amongst the following :
(A) Dioecious organisms are seen only in animals.
(B) Dioecious organisms are seen only in plants.
(C) Dioecious organisms are seen in plants & animals.
(D) Dioecious organisms are seen only in vertebrates.

20. 16. Reproduction in Amoeba takes place by
(A) Binary fission
(B) Budding
(C) Zoospore formation
(D) Fragmentation

21. 17. What is flagellate motile spore called ?
(A) Conidia
(B) Zoospores
(C) Homospores
(D) Heterospores

22. 18. Non-flagellate spores known as conidia are found in
(A) Penicillium
(B) Hydra
(C) Amoeba
(D) Chlamydomonas

23. 19. Which animal reproduce by exogenous budding ?
(A) Hydra
(B) Spongilla
(C) Plasmodium
(D) Amoeba

24. 20. Which animals have a well developed capacity of regeneration ?
(A) Hydra, Starfish
(B) Plasmodium
(C) Earthworm
(D) Spongilla

25. 21. Sporulation occurs in_______________
(A) Plasmodium
(B) Hydra
(C) Starfish
(D) Spongilla

26. 22. Which of the following statements are false for asexual reproduction ?
(I) Single parent is capable of producing offspring.
(II) Offsprings are exact copies of their parent.
(III)Zygote formation occur.
(IV ) It is slow and complex process.
(A) I and II are false
(B) I and III are false
(C) III and IV are false
(D) I and IV are false

27. 23. Which type of reproduction is seen in Amoeba and Paramoecium ?
(A) Fragmentation
(B) Budding
(C) Sporulation
(D) Multiple fission

28. 24. Sporulation occurs during unfavourable condition in .........
(A) amoeba
(B) euglena
(C) paramoecium
(D) plasmodium

29. 25. When conditions become favourable the nucleus of encysted
amoeba undergoes multiple division and large number of Amoeba are
formed. These are called
(A) pseudocytospores
(B) pseudospores
(C) pseudopodiospores
(D) pseudopodia

30. 26. Binary fission involves_______________
(A) mitosis only (B) meiosis only
(C) mitosis and meiosis only (D) Amitosis

31. 27. Simple binary fission is seen in
(A) paramoecium
(B) planaria
(C) amoeba
(D) euglena

32. 28. Clones are
(A) plants raised from a single parent
(B) population of plants produced vegetatively
(C) genetically similar to the parent plant
(D) all of the above

33. 29. “A” have haploid plant body.
(A) A=Monera, fungi, gymnosperm and angiosperms
(B) A=Algae, bryophyta, pteridophyta and gymnosperm
(C) A=Monera, fungi, algae and bryophyta
(D) A=Pteridophyta, gymnosperm and angiosperms.

34. 30. Which of the following is true for anisogametes ?
(I) Morphologically and physiologically distinct.
(II) Similar in appearance
(III)Male gametes are smaller and active.
(IV ) Female gametes are large and sluggish
(A) (I), (II)
(B) (II), (III), (IV )
(C) (I), (IV )
(D) (I), (III), (IV )

35. 31. Match the following
Column - I
Column - II
(a) Gamete (1) Division of nucleus followed by division of
cytoplasm which give rise to many daughter cells.
(b) Zygote (2) Formation of gemmule
(c) Fission (3) Organisms that produce germ cells
(d) Budding (4) Result of the fission of male
(e) Multiple fission (1) Division of body into two
parts by mitosis
(f) Gemmulation (6) An unequal division of organism in which
individual arises as an out growth from the
parent.
(a) (b) (c) (d) (e) (f ) (a) (b) (c) (d) (e) (f )
(A) 4 2 3 1 6 1 (B) 6 3 2 4 1 1
(C) 2 1 6 1 4 3 (D) 3 4 1 6 1 2

36. 32. Match the following.
(P) Maize (I) 48 (i) 10
(Q)Onion (II) 32 (ii) 12
(R) Potato (III)24 (iii)16
(S) Rice (IV)20 (iv)24
(A) (P – IV – i) (Q – II – iii) (R – I – iv) (S – III – ii)
(B) (P – I – i) (Q – II – ii) (R – III – iii) (S – IV – iv)
(C) (P – II – i) (Q – III – ii) (R – IV – iii) (S – I – iv)
(D) (P – III – iv) (Q – IV – iii) (R – I – ii) (S – II – i)

37. 33. Which of the following is an example of conjugation ?
(A) Amoeba (B) Paramoecium
(C) Hydra (D) Euglena

38. 34. The fusion of two similar or dissimilar gametes is called “A”
and it result “B” .
(A) A = fertilization,B = haploid zygote
(B) A = fertilization,B = diploid zygote
(C) A = syngamy,B = haploid zygote
(D) A = syngamy,B = diploid zygote

39. 35. Isogametes are____________
(A) morphologically similar
(B) physiologically similar
(C) motile and has flagella
(D) all the above

40. 36. Two gametes are similar in appearance they are called______
(A) isogametes
(B) homogametes
(C) isogametes or homogametes
(D) none of the above

41. 37. Gametogenesis is the process of_______________
(A) transfer of gametes
(B) formation of gametes
(C) distribution of gametes
(D) organization of gametes

42. 38. Juvenile phase is
(A) stage of growth in plants
(B) stage of embryonic development
(C) stage of growth and maturity animal life before they can
reproduce sexually.
(D) stage of growth and maturity in plant life before they can
reproduce sexually.

43. 39. Example of vegative reproduction through stem are_____________
(A) ginger
(B) turmeric
(C) potato
(D) all the above

44. 40. Non-flagellate and non-motile spore are produced by
(A) ulothrix
(B) penicillium
(C) spirogyra
(D) zygnema

45. 41. A gymnosperm leaf carries 16 chromosomes. Number of
chromosomes in its endosperm shall be
A) 20 B) 16 C)12 D) 8

46. 42 In Ginko, the pollen grain has 6 chromosomes then its
endosperm will have the chromosome
A) 12 B) 18 C) 6 D) 24

47. 43. If the haploid no. of chromosomes in gymnosperm is 12, what
will be no. of chromosomes in endosperm?
A) 12 B) 24 C) 36 D) 6

48. 44. An angiosperm leaf carries 16 chromosomes. the number of
chromosomes in its endosperm will be
A) 24 B) 16 C) 12 D) 8

49. 45. If an endosperm cell of an angiosperm contains 24
chromosomes, the number of chromosomes in each cell of the root
will be.
A) 8 B) 32 C) 16 D) 24

50. 46. In a grafted plant, stock has 48 chromosomes while scion has
24 chromosomes. The chromosome number for root cells and eggs
are.
A) 48,24 B) 24,24 C) 24,12 D) 48,12

51. 47. If root of a flowering plant has 24 chromosomes, then its
gamete has how many chromosomes?
A) 24 B) 8 C) 4 D) 12

52. 48. A plant root has 16 chromosomes, so
A) Gamete has 16 chromosomes
B) Gamete has 8 chromosomes
C) Endosperm has 8 chromosomes
D) Endosperm has 16 chromosomes

53. 49. If the diploid number of a flowering plant is 36. What would be
the chromosome number in its endosperm in angiosperm?
A) 36 B) 18 C) 54 D) 72

54. 50. If the diploid number of a flowering plant is 36. What would be
the chromosome number in its endosperm in gymnosperm?
A) 36 B) 18 C) 54 D) 72