Biology MCQs

31. What are the major functions of the kidney?

  1. Maintains the body’s pH
  2. Reabsorption of nutrients
  3. Transporting oxygen and nutrients
  4. Removal of excess fluid from the body

Select the codes above:

[A] Only 1 and 2
[B] Only 2 and 3
[C] Only 1, 2 and 4
[D] 1,2.3 and 4

Show Answer

32. Which gland stimulates the adrenal gland to secrete cortisol?
[A] Pituitary gland
[B] Thyroid gland
[C] Parathyroid glands
[D] Adrenal glands

Show Answer

33. Which of the following is not an endoparasite?
[A] Ticks
[B] Tapeworms
[C] Liver fluke
[D] Roundworm

Show Answer

34. Which property is not exhibited by a disease-causing pathogen?
[A] Invasiveness
[B] Toxigenicity
[C] Virulence
[D] Co-operation

Show Answer

35. Which of the following is an example of starch crops biomass feedstocks?
[A] Sugar cane
[B] Wheat straw
[C] Corn stover
[D] Orchard prunings

Show Answer

36. Uric acid is the chief nitrogenous wastes in ____:
[A] Frogs
[B] Birds
[C] Fishes
[D] Mankind

Show Answer

37. Which type of plants have weak stems and take support on neighbouring structures to climb up?
[A] Climbers
[B] Herbs
[C] Trees
[D] Shrubs

Show Answer

38. Turmeric is a modified ____:
[A] Stem
[B] Root
[C] Leaves
[D] Fruit

Show Answer

39. What is a Sponge?
[A] A fungus
[B] A fossil
[C] A plant
[D] An animal

Show Answer

40. The harmful substances produced by the microbes are known as ____:
[A] Toxins
[B] Hormones
[C] Pollutants
[D] Antibiotics

Show Answer