41. Membrane that separates cytoplasm and nucleus is called ___________ ?
✅ D. Nuclear envelop
Option A: A. Cell wall Option B: Cell membrane Option C: Boundary Option D: Nuclear envelop Correct Answer : Nuclear envelop Read more
Biology MCQs – Page 3
42. Which one of the following is referred as the species occupation?
✅ B. Niche
Option A: Autecology Option B: Niche Option C: Ecosystem Option D: Biome Correct Answer : Niche Read more
43. The first ever vascular plants are_________?
✅ C. Adiantum
Option A: Cooksonia Option B: Selaginella Option C: Adiantum Option D: Dryopteris Correct Answer : Cooksonia Read more
44. Circular disc shaped structure with a round hole is ___________ ?
✅ A. Iris
Option A: Iris Option B: Pupil Option C: Horoid coat Option D: Ciliary body Correct Answer : Iris Read more
45. The higher animals have special organs for exchange of gases as their skin is ___________ ?
✅ B. Thick
Option A: Thin Option B: Thick Option C: Soft Option D: Hard Correct Answer : Thick Read more
46. Dorsal root of spinal nerves contain only __________ ?
✅ B. Receptor neurons
Option A: A. Effectors neurons Option B: Receptor neurons Option C: Stimulators Option D: Detector neurons Correct Answer : Receptor neurons Read more
47. Length of membranous urethra is about ___________ ?
✅ A. 1 cm
Option A: 1 cm Option B: 2 cm Option C: 5 cm Option D: 9 cm Correct Answer : 1 cm Read more
48. Kind of cellular respiration which occurs in presence of oxygen is _________ ?
✅ A. Anaerobic respiration
Option A: Anaerobic respiration Option B: Aerobic respiration Option C: Nitrogenous respiration Option D: Acidic respiration Correct Answer : Anaerobic respiration Read more
49. Special enzymes are released during necrosis from __________ ?
✅ A. lysosomes
Option A: lysosomes Option B: Vacuoles Option C: Cytoplasm Option D: Golgi bodies Correct Answer : lysosomes Read more
50. Number of cells that are destroyed in adults by apoptosis are ________ ?
✅ B. 50 to 70 billion cells
Option A: 20 to 35 billion cells Option B: 50 to 70 billion cells Option C: 10 to 20 billion cells Option D: 15 to 25 billion cells Correct Answer : 50 to 70 billion cells Read more
51. Biebs that are broke off from cell are called __________?
✅ A. Apoptotic bodies
Option A: Apoptotic bodies Option B: Necrosis bodies Option C: Tuberculosis bodies Option D: Cytokinetic bodies Correct Answer : Apoptotic bodies Read more
52. Crysanthemum is propagated by___________?
✅ A. Suckers
Option A: Suckers Option B: corms Option C: corals Option D: None Correct Answer : Suckers Read more
53. Outer surface of bones is covered by a dense layer of connective tissue, called as ___________ ?
✅ A. Periosteum
Option A: Periosteum Option B: Woven bone Option C: Epithelium lining Option D: Connective lining Correct Answer : Periosteum Read more
54. Another name for liver is called ___________ ?
✅ A. Hepar
Option A: Hepar Option B: Hepta Option C: Heptum Option D: Hilum Correct Answer : Hepar Read more
55. Joints between flat bones of skull are termed as ____________ ?
✅ D. Both A and B
Option A: Suture Option B: Sutural joints Option C: Syndesmosis Option D: Both A and B Correct Answer : Both A and B Read more
56. Guard cells of stoma are ________ ?
✅ D. Kidney-shaped
Option A: Irregular in shape Option B: Convex in shape Option C: Long and cylindrical in shape Option D: Kidney-shaped Correct Answer : Kidney-shaped Read more
57. Special kind of protein containing iron is called as _________ ?
✅ B. Hemoglobin
Option A: Hormones Option B: Hemoglobin Option C: Red blood cell Option D: White blood cell Correct Answer : Hemoglobin Read more
58. Zygote with three copies chromosome 21, is known to cause _________?
✅ D. Downs syndrome
Option A: Hay fever Option B: Scurvy Option C: Parkinson Disease Option D: Downs syndrome Correct Answer : Downs syndrome Read more
59. Kind of respiration through which skeletal muscles of human body gets the energy is ________ ?
✅ B. Anaerobic respiration
Option A: A Acidic respiration Option B: Anaerobic respiration Option C: Aerobic respiration Option D: Nitrogenous respiration Correct Answer : Anaerobic respiration Read more
60. Fuel used by cells in cellular respiration to get energy is ________ ?
✅ C. Glucose
Option A: polysaccharides Option B: Polypeptides Option C: Glucose Option D: Sugar Correct Answer : Glucose Read more