2. SECTION – I (Total Marks : 50) Single Correct Answer Type There are five parts in this question. Four choices are given for each part and one of them is correct. Indicate you choice of the correct answer for each part in your answer-book by writing the letter (a), (b), (c) or (d) whichever is appropriate
3. 01 Problem The defective condition of accommodation of the eye in which distant objects are clearly seen but near objects are indistinct is Myopia Astigmatism Hypermetropia Presbyopia
4. Problem 02 Genetically identical progeny is produced, when an individual Practices reproduction Practices self-fertilisation Practices in breeding without meiosis Produces indentical gametes
5. Problem 03 The infective stage of Ascaris is Second juvenile Embrocated egg Adult worm itself Fourth juvenile
6. Problem 04 Vitellogenesis is the process of formation of Yolk and its deposition within the growing oocyte of amphibians Vitelline membrane around the developing egg cells Archenteron around the egg cell Yolk sac membrane around the yolk mass during the development of reptiles and birds
7. Problem 05 Prolonged deficiency of thiamine in human diet may lead to Haemorrhage Pellagra Anaemia Beri-beri
8. Problem 06 A common feature of trachea of insects and that of mammals is that both Are endodermal in origin Have non-collapsible walls Are ectodermal in origin Have cartilaginous rings
9. Problem 07 Most of the neurons of our body are Multipolar Unipolar Pseudounipolar Bipolar
10. Problem 08 A fully formed sperm cell of frog has a/an Pair of centriole and a tail Nucleus Acrosome All of these
11. Problem 09 The cysticerci in the pig muscles can remain alive for 1 year 1 month 6 years 6 months
12. Problem 10 Earthworm and cockroach both have Dorsal nerve cord Trachea Ventral nerve cord Segmented body
13. Problem 11 Which of the following blood vessels in the circulatory system of frog has more oxygenated blood? Pulmocutaneous artery Pulmonary artery Pulmocutaneous vein None of these
14. Problem 12 Amoeba secretes digestive enzymes that hydrolyse Protein Starch Both (a) and (b) All along with fats
15. Problem 13 The main function of kidney is Selective reabsorption Ultra-filtration Passive absorption Both (a) and (b)
16. Problem 14 In terms of ABO system of blood grouping a transfusion reaction is likely to follow administration of Group O blood to a group AB person Group A blood to a group A person Group A blood to a group O person Group B blood to a group AB person
17. Problem 15 Heart beats are accelerated by Cranial nerves and adrenaline Cranial nerves and acetylcholine Sympathetic nerves and epinephrine Sympathetic nerves and acetylcholine
18. Problem 16 The mammalian corpus luteum produces Luteotropic hormone Estrogen Luteinizing hormone Progesterone
19. Problem 17 Mammalian lungs have and enormous number of minute alveoli (air sacs) This is to allow More spongy texture for keeping lung in proper shape More space for increasing the volume of inspired air More nerve supply to keep the lungs working More surface area for diffusion of gases
20. Problem 18 The number of floating ribs, in the human body, is 2 pairs 6 pairs 2 pairs 5 pairs
21. Problem 19 Balanced diet should have approximately 1/5 protein, 1/5 fats and 3/5 carbohydrates 1/5 protein, 3/5 fats and 1/5 carbohydrates 1/2 protein, 1/4 fats and 3/5 carbohydrates 3/5 protein, 1/5 fats and 1/5 carbohydrates
22. Problem 20 If the number of chromosomes in most body cells of a mammal is 40, the cels in the seminiferous tubule linning will have 20 chromosomes 40 chromosomes 10 chromosomes 23 chromosomes
23. Problem 21 During prolonged fasting First lipids are used up, proteins and finally carbohydrate First carbohydrates are used up and nest fat is withdrawn and in the last proteins are mataboiised First enzymes are used up and next minerals are absorbed First fats are used up, next carbohydrates are withdrawn and in the last proteins are withdrawn
24. Problem 22 Fatty acid and glycerol are first taken up from alimentary canal by Hepatic portal vein Villi Lymph vessels Blood capillaries
25. Problem 23 One of the digestive juices that lacks enzymes but aids digestion is Chyle Bile Chime Succus entericus
26. Problem 24 Insect metamorphosis having larval stage is called Incomplete metamorphosis Retrogressive metamorphosis Heteromorphosis Complete metamorphosis
27. Problem 25 During rest, the metabolic needs of the body are at their minimum. Which of the following is indicative of this situation? O2 intake and CO2 output Rate of breathing Pulse rate All of these
28. Problem 26 The cytochromes are Electron acceptors Oxygen acceptors Heat receptors Hydrogen acceptors
29. Problem 27 An enzyme can be synthesized by chemically bonding together molecules of Lipases Carbohydrates CO2 Amino acids
30. Problem 28 The correct formula of chlorophyll b is C55H71O6N4Mg C55H80O4N3Mg C55H70O6N4Mg C55H72O5N4Mg
31. Problem 29 The chief role of transpiration in plants is to cause Cooling of plant Rapid ascent of water Rapid rise of minerals Both (a) and (c)
33. Problem 31 Then two genes are situated very close to each other in chromosome then No crossing over can take place between them The percentage of crossing over between them is very high Only double cross over can take place between them Hardly any cross over are detected
34. Problem 32 The continuity of protoplasm from cell to cell is maintained through Vessels Stomata Plasmodesmata Tracheids
35. Problem 33 Growth in numbers in maximum in the zone of Cell maturation Cell division Cell elongation All of these
36. Problem 34 Ovary is obliquely placed in family Asteraceae Ranunculaceae Solanaceae Brassicaceae
37. Problem 35 A fruit, which develops from a condensed inflorescence, is called An aggregate fruit A simple fruit A composite fruit An eterio of fruit
38. Problem 36 Pollination is best defined as Growth of pollen tube in ovule Transfer of pollen from anther to stigma Visiting of flowers by insects Germination of pollen grains
39. Problem 37 Upon fertilization while ovule develops into seed, which structure develops from a nucellus Pericarp Testa Perisperm Tegmen
40. Problem 38 The characteristic feature of family malvaceae is Monadelphousandroecium Apocarpousgynoecium Polyadelphousandroecium Polyandrous condition
41. Problem 39 Pollination which occur in closed flowers is knows as Dicliny Allogamy Protogyny Cleistogamy
42. Problem 40 The development of a sporophyte from gametopytic tissue is called Amphimixis Apogamy Parthenogenesis Apospory
43. Problem 41 Fungal spores produces asexually at tips or sides of hyphae are called Chlamydospores Zoospores Conidia Spores
44. Problem 42 When gametes of chlamydomonas fail to fuse together, the process is termed as Anisogamy syngamy Hologamy None of these
45. Problem 43 Meiosis occurs in the zygote of Funaria Chlamydomonas Dryopteris Puccinia
46. Problem 44 Each chloroplast in spirogyra bears Only singly pyrenoid An indefinite number of pyrenoids No pyrenoids A definite number of pyrenoids
47. Problem 45 A thick walled spore meant for perinnation is known as Hypnospore Zoospore Akinete Aplanospore
48. Problem 46 The branch of botany which deals with the study of algae is called Taxonomy Microbiology Phycology Mycology
49. Problem 47 A plant that grows inside a plant of another species symbiotically is called A semiparasite A parasite An endophyte A saprophyte
50. Problem 48 If gametes are produced after reduction division, they are termed as Coenogametes Mitogametes Pseudogametes Meiogametes
51. Problem 49 In which of the following plants does the stem perform the function of storage and pagination? Wheat Ground nut Radish Ginger
52. Problem 50 Roots which develop from any other portion of plant except the radical is known as Fibrous root Tap root Stilt root Adventitious root
