Q. Sieve plate is a part of -
1) Cambium
2) Xylem
3) Cortex
4) Pholem
Q. Which of the following is a chromoprotein?
1) Mucin
2) Haemoglobin
3) Peptones
4) vitelline
Q. Pepsin secreting cells of gastric glands are -
1) Oxyntic cells
2) Parietal cells
3) Chief cells
4) Goblet cells
Q. Adrenocorticotropic Hormone (ACTH) hormone is secreted form -
1) Adrenal cortex
2) Adrenal medulla
3) pituitary gland
4) Pineal body
Q. In mammals, the most developed part of the brain, by which a man can procreate, invent machines and evolve langauges and arts, is -
1) Cerebrum
2) Cerebellum
3) Medulla Oblongata
4) None of these
Q. The sensation of fatigue in the muscles after Prolonged strenuous physical Work is caused by -
1) A decrease in the supply of oxygen
2) Minor wear and tear of muscle fibres
3) The depletion of glucose
4) The accumulation of lactic acid
Q. Which of the following is converted into glucose in the human body before being utilised to provide energy?
1) Proteins
2) Vitamins
3) Carbohydrates
4) None these
Q. The dengue fever is caused by the bite of which of the following mosquitoes?
1) Anopheles
2) Aedes
3) Culex
4) Asian tiger mosquito
Q. Which of the following trees is dangerous for environment?
1) Banana
2) Eucalyptus
3) Babool
4) Neem
Q. Which of the following mammals lays eggs?
1) Kangaroo
2) Loris
3) Echidna
4) Hedgehog
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