Biology MCQs

31. Bi-focal lenses are required to correct __
[A] astigmatism
[B] coma
[C] myopia
[D] presbyopia

Show Answer

32. Name the longest and heaviest bone of the body?
[A] Femur
[B] Fibula
[C] Tibia
[D] Ilium

Show Answer

33. What happens when the luteinizing hormone increases?
[A] stimulates contraction of uterus
[B] ovaries to release eggs
[C] maintains milk production in breasts
[D] All of the above

Show Answer

34. In incomplete dominance__.
[A] Phenotype of both alleles is expressed
[B] Phenotype of only one allele is expressed
[C] Phenotype of neither of the alleles are expressed
[D] Phenotype of both alleles is partially expressed

Show Answer

35. What is required for nitrogen fixation by Rhizobium?
[A] Potassium
[B] Phosphorus
[C] Nitrate
[D] Sodium

Show Answer

36. What is Southern blotting?
[A] Attachment of probes to DNA fragments
[B] Transfer of DNA fragments from electrophoretic gel to a nitrocellulose sheet
[C] Comparison of DNA fragments to two sources
[D] Transfer of DNA fragments to electrophoretic gel from cellulose membrane

Show Answer

37. How many approaches are there in order to clone the complete genome?
[A] 1
[B] 2
[C] 3
[D] 4

Show Answer

38. Which of the following brings back deoxygenated blood from different parts of human body to heart?
[A] Veins
[B] Arteries
[C] Nerves
[D] Lungs

Show Answer

39. Water of coconut is ____:
[A] Liquid nucellus
[B] Liquid endocarp
[C] Degenerated liquid endosperm
[D] Liquid mesocarp

Show Answer

40. Which of the following are the largest fixator of solar energy?
[A] Bacteria
[B] Protozoa
[C] Fungi
[D] Green plants

Show Answer