A man with colour blindness will see red as (1) Yellow (2) Blue (3) Green (4) Violet Answer : Green...
Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is responsible for such rejections ? (1) Cell - mediated immune response (2) Hormonal immune response (3) Physiological immune response (4) Autoimmune response Answer : (1) Cell - mediated immune response...
DNA is found inside every cell in our body (apart from red blood cells).
Which of the following agricultural practices have been primarily responsible for pollution of our water resources ? A. Use of live-stock manure B. Use of chemical fertilisers C. Excessive use of chemical pesticides D. Deforestation (1) B and C (2) A, C and D (3) A and B (4) A, B and D Answer : B and C...
Neuron is the name given to which special type of biological cell? a) a nerve cell b) a brain cell c) a skin cell Answer : ANSWER: A -- A NERVE CELL...
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