Biology GK Questions with Answers - Set 02 - ObjectiveBooks
Biology GK Questions with Answers - Set 02

Biology GK Questions with Answers - Set 02

G.K. Practice Test: Question Set - 02

1. Which of the following act as a channel of transmission of blood to the heart in the human body?
    (A) Arteries
    (B) Muscle fibres
    (C) Nerves
    (D) Veins
2. The best way to tackle local environmental problems is to
    (A) Use the local administrative machinery
    (B) Implement environmental laws strictly
    (C) Provide environmental education to the local people and create awareness
    (D) Leave it to the local public to decide
3. The influx of domestic sewage containing detergents cause nutrient enrichment in water bodies due to the presence of
    (A) Carbonates
    (B) Nitrates
    (C) Phosphates
    (D) Silicates
4. The Rh factor refers to
    (A) A protein substance found in the blood of some people
    (B) A hormone carried by the blood
    (C) The ratio of red corpuscles to white corpuscles in the blood
    (D) A process that speeds up the clothing of blood
5. When there is a decrease in the concentration of oxygen in the blood, the breathing rate
    (A) Increases
    (B) Decreases
    (C) First increases and then decreases
    (D) Is not affected
6. The type of root system of all of the following is tap root system, except that of
    (A) Mango tree
    (B) Kachnar tree
    (C) Sunflower plant
    (D) Maize plant
7. First human heart transplant operation conducted by Dr. Christian Bernard on Louis Washkansky, was conducted in
    (A) 1967
    (B) 1968
    (C) 1958
    (D) 1922
8. Excessive secretion from the pituitary gland in the children results in
    (A) Increased height
    (B) Retarded growth
    (C) Weakening of bones
    (D) None of the above
9. In certain diseases antibiotics are administered. The object is
    (A) Stimulate production of white blood cells for fighting the disease
    (B) Stimulate production of antibodies
    (C) Inhibit the growth of bacteria
    (D) Produce toxins against bacteria
10. Bats can fly in the dark because
    (A) They have a better vision in the dark
    (B) The pupils of their eyes are very big
    (C) They are guided by ultrasonic waves produced by them
    (D) Any bird can do so
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