Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Natural organic fertilizers are found to be better then chemical fertilizers because –
a. chemical fertilizers are less productive
b. organic fertilizers are more productive
c. organic fertilizers sustain soil productivity
d. chemical fertilizers are toxic
Q. Select the High Yielding Varieties of seed-crops developed under Green Revolution in India.
a. Rice, Wheat, Pulses, Oil seeds and Sugarcane
b. Maize, Black-gram, Jowar, Coffee arid Tea
c. Rice, Wheat, Jowar, Bajra, and Maize
d. Wheat, Rice, Sugarcane, Pulses and Maize
Q. Among the following sets of salient features, which set does not exclusively characterize mammals?
a. Presence of sweat, glands, hairs on skin and diphyoclonts
b. Presence of mammary glands, sweat glands and diaphragm
c. Presence of mammary' glands, sweat glands, and diaphragm
d. Presence of mammary glands, hairs on skin and diaphragm.
Q. A person with 'AB' blood group is sometimes called a universal recipient because of the –
a. lack of antigen in his blood
b. lack of antibodies in his blood
c. lack of both antigens and antibodies in his blood
d. presence of antibodies in his blood
Q. The duration 19-21 days refers to:
a. incubation period of hen's egg
b. average life-span of a red blood cell in humans
c. the period of menstrual cycle soon after menstruation, during which fertilisation is most likely to occur
d. period of completion of one schizogony cycle of malarial parasite inside a red blood cell
Q. 'Kyoto Protocol', an agreerne; signed by various =Indies, is associated with -
a. Clean Environment and Climate Change
b. Building common food stock to save human beings from any natural disaster
c. International Trade
d. Deep Sea 011 and Mineral Exploration
Q. Carbon monoxide poisoning can be cured by -
a. exposing the affected person to fresh oxygen.
b. eating butter.
c. drinking lemon-water.
d. consuming multi-vitamin tablet.
Q. The main function of insulin in the human body is –
a. to maintain blood pressure
b. to help in digestion of food
c. to control the level of sugar in the body
d. to check the level of iodine in the body
Q. The DPT vaccine is given toyoung babies to protect them from –
a. diphtheria, polio and tetanus
b. diphtheria, pneumonia and tuberculosis
c. diphtheria, smallpox and tetanus
d. diphtheria, whooping cough and tetanus
Q. Which one of the following is not a benefit of saliva –
a. It facilitates swallowing
b. It increases RBCs in the body
c. It keeps the mouth and teeth clean
d. It aids speech by facilitating movements of lips and tongue
Q. The process of photosynthesis involves conversion of
a. chemical energy into radiant energy
b. chemical energy into mechanical energy
c. solar energy into chemical energy
d. mechanical energy into solar energy
Q. When a child is born, what happens to its blood circulation?
a. Its blood flows for the first time
b. Its blood reverses its flow through the heart
c. Its blood ceases to pass from one atrium to the other
d. Its blood carries wastes for the first time
Q. Quarantine regulation is concerned with
a. growing of better varieties of plant
b. prevention of entry of diseased organism
c. spraying of insecticide over diseased plants
d. identification of diseased organism
Q. Which one of the following set belongs to the class Mammalia?
a. Lion, Hippopotamus, Penguin, Bat
b. Lion, Bat, Whale, Ostrich
c. Hippopotamus, Penguin, Whale, Kangaroo
d. Whale, Bat, Kangaroo, Hippopotamus
Q. Which one of the following is NOT a function of kidney -
a. Regulation of blood pH
b. Removal of metabolic wastes from the body
c. Production of antibodies
d. Regulation of osmotic pressures of the blood