161. which of the following gas discovered by Scheele?
✅ A. chlorine
Option A: chlorine Option B: hydrogen Option C: oxygen Option D: carbon dioxide Correct Answer : chlorine Read more
Biology MCQs – Page 9
162. In plants there are_______basic types of tissues?
✅
Option A: 2 Option B: 3 Option C: 4 Option D: None of these Correct Answer : Read more
163. Simple tissues and complex tissues are two groups of_________tissues.
✅ B. Permanent
Option A: Meristematic Option B: Permanent Option C: Epidermal Option D: Supporting Correct Answer : Permanent Read more
164. Xylem and phloem are conducting tissues found in ¦¦¦.?
✅ B. plants
Option A: animals Option B: plants Option C: micro orgamnisms Option D: all the above Correct Answer : plants Read more
165. Human brain contains__________neurons.
✅ C. 100,000,000,000
Option A: 10,000,00 Option B: 100,000,000 Option C: 100,000,000,000 Option D: 1000 Correct Answer : 100,000,000,000 Read more
166. The light microscope can make the object_________times bigger?
✅ C. 1000 times
Option A: 10 times Option B: 100 times Option C: 1000 times Option D: 10000 times Correct Answer : 1000 times Read more
167. Which of the following is a selectively permeable membrane?
✅ C. cell membrane
Option A: cell wall Option B: cytoplasm Option C: cell membrane Option D: none of these Correct Answer : cell membrane Read more
168. Which of the following endoplasmic reticulum has no ribosome on its surface?
✅ A. smooth
Option A: smooth Option B: rough Option C: both Option D: all of above Correct Answer : smooth Read more
169. which of the following is called protein synthesizing machine?
✅ D. ribosomes
Option A: mitochondria Option B: nucleus Option C: chromosomes Option D: ribosomes Correct Answer : ribosomes Read more
170. Cell wall is the non living , outermost boundary of__________cell?
✅ D. all the above
Option A: plant Option B: bacterial Option C: fungal Option D: all the above Correct Answer : all the above Read more
171. Locomotion in diatoms is carried out with the help of__________?
✅ B. Raphe
Option A: Valve Option B: Raphe Option C: Pseudopodium Option D: Cilia or flagella Correct Answer : Raphe Read more
172. Golden brown colour of diatoms is due to presence of__________?
✅ C. Fucoxanthin, diatoxanthin, diadinoxanthin
Option A: Mycoxanthin, mucoxanthin and myxoxanthophylls Option B: Alpha and beta carotenes and myxoxanthin Option C: Fucoxanthin, diatoxanthin, diadinoxanthin Option D: None of the above Correct Answer : Fucoxanthin, diatoxanthin, diadinoxanthin Read more
173. Which of the following is not nocturnal?
✅ C. Butterfly
Option A: Bedbug Option B: Mosquito Option C: Butterfly Option D: Cockroach Correct Answer : Butterfly Read more
174. Which one of these is an insect?
✅ C. Moth
Option A: Mite Option B: Spider Option C: Moth Option D: Scorpion Correct Answer : Moth Read more
175. A moth is closely related to_________?
✅ D. Butterfly
Option A: Wasp Option B: Beetle Option C: Cricket Option D: Butterfly Correct Answer : Butterfly Read more
176. Which one of these is a set of useful insects?
✅ D. Honeybee , lac insect, cochineal insect
Option A: Sandfly , butterfly, hoeybee Option B: Sikmoth, honeybee, locust Option C: Honeybee, silkmoth, tsetse fly Option D: Honeybee , lac insect, cochineal insect Correct Answer : Honeybee , lac insect, cochineal insect Read more
177. Which of the following organ is responsible for blood filtration:
✅ B. Kidney
Option A: Liver Option B: Kidney Option C: Lungs Option D: Heart Correct Answer : Kidney Read more
178. Which of the following organ is responsible for body metabolism?
✅ B. Liver
Option A: Kidney Option B: Liver Option C: Lungs Option D: Heart Correct Answer : Liver Read more
179. The part of the brain that connects the two hemispheres of the brain is called____________?
✅ A. Corpus callosum
Option A: Corpus callosum Option B: Medulla oblongata Option C: Cerebral cortex Option D: Cerebellum Correct Answer : Corpus callosum Read more
180. In which phase of cell cycle cell organelles are formed?
✅ C. G2 Phase
Option A: S Phase Option B: G1 Phase Option C: G2 Phase Option D: G0 Phase Correct Answer : G2 Phase Read more