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| VALUABLE BIOLOGY MCQ |
1. Which of the following is a pseudocereals ?
a) wheat b) Rice c) Buck wheat d) Pisum sativum
2. Sympetric speciation is due to :
a) migration b) geographical isolation c) reproductive isolation d) isolation
3. Carrying capacity of a population is determined by its :
a) population growth rate b) birth rate c) death rate d) limiting resources
4. A test cross distinguished between :
a) two homozygous forms b) a homozygus dominant and heterozygus form c) a homozygus recessive
and heterozygous form d) two heterozygous form
5. Ovule is inverted with body fused to funicle micropyle lying close to hilum and facing the placenta it is :
a) hemitropous b) orthotropous c) anatropous d) campylotropous
6. Succession is :
a) gradual convergent directional and continuous process b) series of biotic communities that appear
gradually in a baren area c) orderly process of community change till stability d) all of these
7. The major excretory product of arthropods are :
a) ammonia b) urea c) uric acid d) trimethylammine oxide
8. The famous book '' origin of species '' was written by Charles Darwin in :
a) 1809 b) 1859 c) 1885 d) 1871
9. In man the sperms are stored and nourished in :
a) testes b) vasa effertia c) epididymis d) spermatic cord
10. Hyaluronic acid is hetero polysaccaride and has acetyl glucosamine + glucoronic acid . It is cementing
material and found in :
a) ovum and synovial fluid b) vitreous humour c) cerebrospinal fluid d) all of the above
11. Mammals having traits of both reptiles and mammals are :
a) monotremes b) marsupials c) whales d) bats
12. The cranial capacity of Australopithecus was about 500 cc. It existed in :
a) miocene b) pliocene c) pilestocene d) both b and c
13. Hormones differ from enzymes in that they are :
a) found only in animals b) found only in plants c) not used up at all in metabolism
d) used up in metabolism
14. If 5% is strength of linkage between two genes then they are 5 map units a part on same chromosomes :
a) it is false b) it is true c) only a is correct d) only b is correct
15. Which one of the following belong to the same category :
a) Cashewnut , coconut , chestnut b) coconut , orange , tomato c) Betelnut ,chestnut , coconut
d) Mango , almond , coconut
16. Which cycle is directly driven by solar radiations :
a) phosphorus b) carbon c) water d) nitrogen
17. During elongation of polypeptide chain the sigma factor :
a) is released to take part again b) is retained and performs special function c) its function is not known
d) is used during the closing chain
18. The leghaemoglobin which imparts pink-red colour to the root nodules is located in :
a) the wall of bacteria b) the wall of host cell c) the cytoplasm of host cell d) in between bacteroids
and surrounding
19. The conservation of germplasm of reduced species . 'The need of time ' at lower temperature called :
a) cryopreservation b) chemical preservation c) cryoprotection d) cooling
20. Which one of the following organisms is considered to have remained practically unchanged for 300
million of years ?
a) Human b) HIV virus c) Cockroaches d) Progenotes
21. Carbonic anhydrase is found in :
a) leucocytes b) lymphocytes c) blood plasma d) erythrocytes
22. A pathogen which can not be cultured on artificial medium is :
a) bacterium b) protozoans c) virus d) fungus
23. Besides giving out vesicles Golgi bidies are concerned with :
a) Plastids b) lysosomes c) grana d) cell plate
24. The principle agent of alcoholic fermentation and bread making is :
a) Schizosaccharomyces octoporus b) Saccharomyces cerevisae c) Saccharomyces ellipsiodeus
d) None of the above
25. In formation his theory of evolution , Darwin was influenced by :
a) Lamarck's acquired characters inheritance b) Hugo de Vries mutation theory
c) Malthus essay on population d) Weismann's thoery of continuity of germplasm
26. The IV , V and IX cranial nerves are :
a) olfactory, spinal accessory and vagus b) trigeminal, vagus and glossopharyngeal
c) oculomotor , trigeminal and hypoglossal d) pathetic(trochlear ) trigeminal and glossopharyngeal
27. Tubulin protein occur in :
a) Enzymes of Kreb's cycle b) R.E.R c)microtubules d) microfilaments
28. Vaccines prepared by genetic engineering are safe to man because they are :
a) least active form of virus b) active form of virus c) coat protein formed as antibody
d) all of the above
29. The carbon dioxide acceptor in C3 plants is :
a) Phosphoenol pyruvate (PEP ) b) Ribulose 1 , 5 diphosphate (RuDP) c) Phosphoglyceric acid
b) Ribulose mono phosphate (RuMP)
30. Which of the following translated completely ?
a) AUG , UGA , UUA , AAG , AAA b) AUG , AUA , UUG ,CCC , UGA
c) AGU , UGC , AGA , CUC , UAA d) AUG , UAC , AGU , AAC , UAG
a) 1 and 2 b) 2 and 4 c) 1 and 4 d) 2 and 3
31. Electroencephalogram used for brain . The wave occur in emotional stress is :
a) low frequency alpha wave b) low frequency theta c) low frequency delta
d) high frequency beta waves
32. It is not possible to create life because :
a) we cannot match creativity and intelligence of God b) nature of molecular organisation is complex and
not fully known c) all mode of life are not fully known d) most of modes are known except a few
33. Golgi complex is specialised for :
a) energy transduction b) glycosidation of lipids c) digestion d) conversion of energy
34. A Lichen responsible for forest fire is :
a) Lecanora b) Usnea c) Cladonia d) Ramalina
35. Reappearance of certain ancestral characters is called :
a) anabolism b) catabolism c) atavism d) metabolism
36. Brain develops from which of the following layer ?
a) Ectoderm b) Endoderm c) Mesoderm d) both a and b
37. Para sexual hybridization is :
a) when two somatic cells hybridize b) when two gametic cells hybridize c) When one somatic and one
gametic cells hybridize d) none of the above
38. Opiates are :
a) morphine , codeine and heroin b) morphine , codeine , heroin , pethidine c) morphine , codeine ,
heroin , pethidine and methadone d) morphine , codeine, heroin and methadone
39. Wauchereria bancrofti is transmitted by :
a) sandfly b) tse - tse fly c) Anopheles mosquito d) Culex mosquito
40. Which organ of the body acts as filter of blood ?
a) Bone marrow b) Liver c) Lymph glands d) Spleen
41. Honey has three sugars , they are :
a) glucose , fructose , lactose b) glucose , galactose , insulin c) dextrose , laevulose and maltose
d) dextrose , lactose and ribose
42. The clitellium of earthworm is for :
a) reproduction b) helping in respiration c) helping in locomotion d) forming a wall of cocoon
43. Characteristic which was not in the direction of evolution of man is :
a) binocular vision b)brow bridge c) shortening of jaws d) prehensile tail
44. Ageing is characterised by :
a) decline in metabolic activity b) increased metabolic activity c) increased anabolism
d) increased catabolism
45. Which species of paramecium contains three nuclei ?
a) P. caudatun b) P. polycarpum c) P. multimicro-nucleatum d) P. aurelia
BEST OF LUCK
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