biology MCQs – Page 61

Practise multiple-choice questions from biology for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

biology Mcqs
1201. The wax present on the body of cockroach is secreted:
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A. Mucocytes

B. Leucocytes

C. Oenocytes

D. Granulocytes

1202. Gram +ve bacteria on treatment with crystal violet dye give _________colour?
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A. green

B. purple

C. pink

D. red

1203. Diatoms belong to___________?
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A. Chrysophyta

B. Bacillariophyceae

C. Xanthophyceae

D. Both A. and B.
1204. Snails belong to__________?
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A. Athropods

B. Cephalopodsxc

C. Gastropods

D. Bivalves

1205. Introduction of vaccine within the body to produce immunity is an example of____________?
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A. Artificially induced passive immunity

B. Artificially induced active immunity

C. Naturally induced active immunity

D. Naturally induced passive immunity

1206. Normal body temperature in mamals like human beings is____________?
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A. 26 28C

B. 36 38C

C. 46 48C

D. 56 58C

1207. Thermostat of human body is present in__________?
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A. Hind Brain

B. Hypothalamus

C. Thalamus

D. Fore brain

1208. Fishes, most of the invertebrates and amphibians are examples of ________ animals?
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A. Endotherms

B. Ectotherms

C. Heterotherms

D. Homeotherms

1209. Production of pyrogens is a __________ phenomenon?
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A. Protective

B. Constructive

C. Aggressive

D. Destructive

1210. Entamoeba histolytica is a parasite found in mans__________?
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A. Liver

B. Lungs

C. Kidneys

D. Intestines
1211. If the radius of blood vessels of a person decreases his/her blood pressure will__________?
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A. Decrease

B. Becomes zero

C. Increase

D. Remain Same

1212. The blood vessel carrying blood from the lungs to the heart is_______?
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A. Pulmonary vein

B. Hepatic artery

C. Renal artery

D. Pulmonary artery

1213. Morgan studied how many traits of Drosophila?
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A. All

B. 85

C. 7

D. 67

1214. Who is the father of carbohydrate ?
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A. Jons jacob Berzeliis

B. Claude Silbert Hudson

C. Anselme Payen

D. Justus von Liebig

1215. How many hearts does an Octopus have?
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A. 2

B. 1

C. 4

D. 3
1216. Examples of Epigeal germination include _________ ?
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A. Corn

B. Broad bean seed

C. Maize

D. Sword bean seed
1217. from right ventricle the blood is pushed into________?
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A. None of these

B. aorta

C. pulmonary trunk

D. brain

1218. Acetabularia is a kind of __________ ?
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A. Fungi

B. Multicellular alga

C. Unicellular alga

D. Protist

1219. _________ is a condition characterized by an abnormal inability to see in dim light or at night.
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A. Nyctalopia

B. Hyperopia

C. Myopia

D. All of the above

1220. The process in which a sperm joins with an egg is__________?
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A. Pollination

B. Respiration

C. Asexual reproduction

D. Fertilization