Science Quiz from 211 to 215

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211. DNA structure was first described by
(A) Pasteur
(B) Robert Koch
(C) Robert Koch
(D) Carlous Linnaues

212. Pollination is best defined as
(A) germination of pollen grains
(B) transfer of pollen from anther to stigma
(C) formation of pollen grains
(D) none of these

213. Movement of cell against concentration gradient is called
(A) active transport
(B) osmosis
(C) diffusion
(D) both b and c

214. One of the following is not a function of bones
(A) support
(B) production of blood cells
(C) protein synthesis
(D) muscle attachment

215. Plants absorb most part of water needed by them through their
(A) stem
(B) root hairs
(C) leaf
(D) bark

ANSWERS: SCIENCE QUIZ
211. (C) Robert Koch
212. (B) transfer of pollen from anther to stigma
213. (A) active transport
214. (C) protein synthesis
215. (B) root hairs