Science Quiz Page-49

Science Quiz from 241 to 245

241. Which is called power house of the cell
(A) golgi complex
(B) mitochondria
(C) nucleus
(D) endoplasmic reticulum

242. The structure that is absent in animal cell
(A) cell wall
(B) nulcleus
(C) centriole
(D) mitochondria

243. The non-protein part of enzyme is called
(A) co-enzyme
(B) activator
(C) cofactor
(D) substrate

244. Nucleic acid were first isolated by
(A) Erwin Chargaff
(B) Friedrich Miescher
(C) Rosalind Franklin
(D) none of these

245. One of the following is not pyrimidine
(A) thymine
(B) cytosine
(C) guanine
(D) uracil

ANSWERS: SCIENCE QUIZ
241. (B) mitochondria
242. (A) cell wall
243. (C) cofactor
244. (B) Friedrich Miescher
245. (C) guanine