41. _____muscle is the strongest of all in the human body.
(a) Jaw
(b) Thigh
(c) Calf
(d) Upper arm
42. Sweat glands occur in greatest number in the skin of the:
(a) Forehead
(b) Armpits
(c) Back
(d) Palm of hand
43. The total number of bones in human skull are:
(a) 8
(b) 22
(c) 30
(d) 32
44. Which of the following is not in the inner ear?
(a) Eustachian tube
(b) Cochlea
(c) Semicircular canals
(d) Sacculus
45. In what form is the food in onion stored?
(a) Sugar
(b) Cellulose
(c) Starch
(d) Protein
46. The plant part rich in carbohydrates is
(a) Potato tuber
(b) Spinach leaf
(c) Onion
(d) Orange fruit
47. Green colour of plants is due to the presence of
(a) Sodium
(b) Phosphorus
(c) Chlorophyll
(d) Iron
48. Which one of the following plants bears no fruits but produces seeds?
(a) Groundnut
(b) Sugarcane
(c) Cycas
(d) Almond
49. Which of the followings are considered to be the simplest living organisms with ability to manufacture their own food by photosynthesis?
(a) Diatoms
(b) Bacteria
(c) Green plants
(d) Blue-green algae
50. Bryophytes are
(a) Vascular plants
(b) Non-vascular plants
(c) Tracheophytes
(d) Prokaryotes