51) Pituitary gland in the human body controls:
(A) Level of blood calcium
(B) Level of blood sugar
(C) Salt and water balance in the body
(D) Growth of bones
52) The yellow colour of the urine is due to the presence of:
(A) Urochrome
(B) Blood
(C) Cholesterol
(D) Bile
53) Disease not related to lung malfunctioning is:
(A) Tuberculosis
(B) Anemia
(C) Pneumonia
(D) Pleurisy
54) Penicillin, an antibiotic, is obtained from a:
(A) Flowering plant
(B) Fungus
(C) Virus
(D) Bacterium
55) During formation of bread, the product that 'raises' the bread is:
(A) Yeast
(B) Bacteria
(C) Heat
(D) Water
56) Aging in human beings is caused by disappearance of which of the following glands?
(A) Thyroid
(B) Thymus
(C) Pituitary
(D) Parathyroid
57) Antigen is a substance which:
(A) Lowers body temperature
(B) Destroys harmful bacteria
(C) Triggers the immune system
(D) Is used as an antidote to poison
58) The unit of energy produced by food in the human body is called:
(A) Watt
(B) DNA
(C) Calorie
(D) Ampere
59) If a colour-blind lady marries a normal male and gives birth to a son and a daughter, then:
(A) Both son and daughter would be colour-blind
(B) The daughter would be colour-blind but son would be normal
(C) The son would be colour-blind but the daughter would be heterozygous normal
(D) Neither the son nor the daughter would be colour-blind
60) Proteins are made of:
(A) Sugar
(B) Fatty acid
(C) Nucleic acid
(D) Amino acid