biology MCQs – Page 10

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 Review each marked answer and report any item that may be outdated or unclear.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
181. The branch in which organisms life cycle, mode of transmission and interaction with their hosts are studied is:
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A. Social Biology

B. Physiology

C. Parasitology

D. Anatomy

182. The process involved in inflammation of liver___________?
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A. apoptosis

183. The study of nature is called__________?
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A. Science

B. Molecule

C. Element

D. Atom

184. Virus consist of Parts:__________?
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A. 1

B. 4

C. 2

D. 3

185. Which of the following is not a viral disease?
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A. Small pox

B. Tetanus

C. Cowpox

D. Mumps

186. Animals of which class of arthropoda are present everywhere_____________?
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A. Arachnida

B. Crustacean

C. Insecta

D. Myriapoda

187. Astronauts may use which technique to grow fruits and vegetables ?
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A. Hydroponic culture technique

B. Tissue culture techniques

C. Pasterisation

D. Cloning

188. Gaseous exchange in birds occurs at level of_______________?
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A. Parabronchi

B. Air sacs

C. Alveoli

D. Bronchi

189. 7 Secretions are products formed within cell on__________?
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A. Golgi bodies

B. E.R

C. Nucleus

D. Ribosome

190. A group of very similar inter breeding organisms constitutes?
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A. Biosphere

B. Species

C. Population

D. Ecosystem

191. Blood is carried towards the heart by __________?
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A. Capillaries

B. none of these

C. Arteries

D. Veins
192. Which of the following pathogen type cause disease that can be treated with antibiotics ?
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A. virus

B. none of these

C. fungi

D. bacteria
193. Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ?
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A. None of these

B. Rate of molecular motion on either side of the cell membrane

C. Concentration of enzymes on either side of the cell membrane

D. Concentration of water molecules inside and outside the cell
194. Biologist Grass discovered the life cycle of plasmodium in_______?
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A. 1898

B. 1897

C. 1899

D. 1896

195. Nitrogen is present in___________?
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A. carbonates

B. proteins

C. lipids

D. carbohydrates

196. The one which is present in all living things
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A. Cell nucleus

B. Vacuole

C. Cell membrane

D. DNA or RNA
197. The Study of organisms inhabiting the sea and Ocean and the physical and chemical characteristics of their environment is:
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A. Social Biology

B. Environmental Biology

C. Marine Biology

D. Fresh Water Biology

198. Density gradient centrifugation separates the materials on the basis of__________?
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A. Size alone

B. Density alone

C. Both a & b

D. Velocity of movement

199. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by________?
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A. Social biologist

B. Microbiologists

C. Molecular biologists

D. Freshwater biologists

200. The ?rst antibiotic to be discovered was_____________?
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A. Penicillin

B. Cephalosporin

C. Erythromycin

D. Amino glycosides