mh cet biology 1999 que paper

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UPADHYE CLASSES (BIOLOGY)MH-CET Biology Paper 1999

1. If the sequence of bases in DNA is TAG, what will be the base sequence of the anticodonof tRNA during protein synthesis

a) UAC b) ATC c) ATG d) UAG2. The egg apparatus includes.

a) Egg cells on synergids b) Egg cells and secondarynucleusc) Egg cell, synergids, secondary nucleus and antipodal cells. d) Egg cellsand antipodal cells.

3. According to Mendel’s law, for a given character the gamete is alwaysa) Homozygous b) Heterozygous c) Pure d) Hybrid

4. If genes are exchanged between two different population, it is called asa) Gene poll b) Gene frequencyc) Gene flow d) Genetic code

5. Acid rain occurs mainly due toa) Industries emitting nitrogen and sulphur oxide b) Spraying pesticidesc) Burning coal and oil d) Paper pulp industries.

6. Blood pressure in normal, healthy, human adultisa) 120/80 mm Hg b) 100/50 mm Hgc) 150/90 mm Hg d) 130/70 mm Hg

7. Biochemical nature of genes was first established bya) Avery, Mac Leod and Mac Carty b) Watson and Crickc) H. Khurana d) Griffith

8. Which of the following is called connecting linka) Labeo b) Archeopteryx c) Penguin d) Salamander

9. Genes are composed of a) DNA only b) RNA onlyc) DNA or RNA d) DNA as well as RNA

10. Movement of shoulder muscels is controlled bya) Facial nerve b) Hypoglossal nervec) Spinal accessory nerve d) Vagus nerves

11. A tall red flowered plant suspected to be heterozygous is crossed with a homozygous short,

white flowered plant. This cross can be approximately called.a) Monohybrid b) dihybridc) Test cross d) Back cross

12. Which one of the following was the connecting link between Apes and man?a) Dryopithecus b) Homo erectusc) Ramapithecus d) Homo neanderthalensis

13. The animal sex is determined by the external environment or by nongenertically ina) Bonolia b) hermit crab c) Nereis d) Aplysia

14. Tricuspid valve is located betweena) left auricle and left ventricle b) left auricle and right ventriclec) right auricle and right ventricle d) right ventricle and left auricle

15. The silk moth Bombyx mori belong to order a) Hymenoptera b) Heteroptera

c) Diptera d) Lepidoptera16. Every year World’s AIDS day I observed on

a) 5th June b) 5th September c) 1 th December d) 31 th may17. Gregor Mendel, the father of modern genetics was

a) An Austrian Monk b) A Syrian Monkc) A German Botanist d) An Italian Philosopher

18. Structure of a sessile flower of Jowar shows from periphery to the center

a) Glume→ lemma→Palea→Carpel→Stamen

b) b) Glume→ lemma→Palea Iodicules→Stamen→Carpel



c) Glume→ lemma→ Iodicules→Stamens→Carpel Palea.d) None of the above.

19. DNA and RNA both have similarity with respect toa) Similar sugar b) Similar purinesc) Similar Pyrimidines d) none of the above

20. Production of haploid plant through anther culture was reported for the first time bya) Skoof and Miller b) Avary et. al.c) Guha and Maheshwari d) White and Gautheret

21. Germinating pollen grains of cycus is

a) One celled b) Two celledc) Three celled d) Four celled.

22. In which of the following accumulation of malic acid takes place at night by carboxylationprocess?a) CAM b) C-4 Cycle c) Calvin Cycle d) EMP

23. The cell of Eukaryotic cells consist of following stages.a) Gl-S-G2- Karyokinesis-Cytokinesisb) S-Gl-C2-Karyokinesis-Cytokinesisc) Gl-G2-S-Cytokinesis-Karyokinesis-Gl-G2-S-Cytokinesis.d) Karyokinesis – Gl-G2-S-Cytokinesis.

24. The precise biochemical reaction with atmospheric oxygen in respiratory mechanism isa) EMP pathway b) Kerb’s Cyclec) Biosynthesis of Acetyl CoA d) Terminal oxidation of

Cytochrome a3

25. The neck of archegonium of Nephrolepis containsa) Four neck canal cell b) Three neck canal cellc) Two neck canal cell d) One neck canal cell

26. The mature sporangium of Nephrolepis hasa) 32 spores b) 64 spores c) 16 spores d) 8 spores

27. Which one of the following is not a taxon but is a category?a) Angisoperm b) divisionc) Hibiscus d) none of the above

28. In Hibiscus, the dual nature of flowor stalk consist of a) Branch and pedicel b) Peduncle and thalamusc) Peuncle and pedicel d) Pedicel and thalamus

29. When the pairing at the third base position of codon and anticodon is not precise it indicatesthat the genetic cod isa) known to exhibit wobble phenomena b) Commalessc) Degenerate d) none of the above

30. The correct sequence of the substages of Prophase – I Meiosis is

a) Leptotene→Pachytene→Diplotene→Zygotene→Diakenesis

b) Diplotene→Leptotene→Zygotene→Diakenesis

c) Leptotene→Zygotene→Pachytene→Diakenesis→Diplotene→Pachytene

d) Leptotene→Zygotene→Pachytene→Diplotene→Diakenesis31. The first myco-herbicide effective on the milkweed growing in the citrus orchad was based on

a) Mucor sp. b) Saccharomyces cereviciaec) Phytopthora palmivora d) Agaricus

32. The disease Serum hepatitis is caused bya) HBV b) HAV c) HNANB d) HIV

33. The ability of a cell to divide and regenerate a whole plant isa) Regeneration b) Recombinationc) Parthenogenesis d) Totipotency

34. The chemical extracted from Neem plant, which acts as insect repellent isa) Pyrethroid b) Azadirachtin c) Thiocarbamate d) Allethrin

35. Mycrrhiza is the symboitic association of a) Fungi with roots of gymnosperm b) Fungi with Angiosperms leaf c) Fungi with fruits of leguminous plant d) Fungi and Gymnospermous stem.

36. Nitrogen fixation is isa) Assimilation of Nitrate



b) Utilisation of nitrogen gasc) Conversion of organic nitrogen into proteind) Conversion of organic nitrogen into ammonia

37. Radioactive wastes are responsible for a) Gene mutation b) Hypertensionc) fluorisis d) Respiratory disease

38. Acetyl chlorine isa) Pituitary hormone b) Salivary gland hormonec)Neurotransmitter d) Vitamin.

39. In normal healthy human, the cardiac cycle last for a) 0.4 seconds b) 0.8 seconds c) 0.3 seconds d) 0.1 seconds.

40. Which one of the following is different?a) Rohu b) Mackerel c) Mrigal d) Catla

41. Harmones are secreted bya) Spleen b) Lungs c) Heart d) Testis

42. The center for homeostatis in brain is situated ina) hypothalamus b) thalamus c) cerebellum d)diencephalon

43. Minute liquid or solid particles suspended in atmosphere are called asa) Fog b) Soot c) Aerosols d) Smog

44. The Odontoid process is found ina) Sacrum b) Thoracic vertebra

c) Cervical vertebra d) Axis vertebra45. Testosterone is secreted bya) Sertoli b) Thoracic vertebrac) Cervical vertebra d) Axis vertebra

46. The fish Labeo is classified asa) Gnathostomata-Pisces-Osteichthyesb) Agnatha-Piscces-Osteichythyesc) Gnathostomata-Pisces-Chondrichthyesd) Agnatha-Pisces-Teleostomi

47. Carinoma is the term applied to cancer of a) Blood cells b) Epithelial cellsc) Bone cells d) Connective tissue

48. Which one of the following reduces heart beats?a) Acetycholine b) Adrenaline c) Thyroxine d) Calcitonin

49. Tranquilizer and Sedatives are also termed asa) Pain killer b) Depressorsc) Stimulants d) Hallucinogens

50. Corpus luteum secretsa) Estrogen b) Progesterone c) LH d) FSH

mh cet biology 1999 que paper

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