Q. Which of the following hormones is secreted by the Beta cell of the Islet of Langerhans of the Pancreas?
1) Glucagan
2) Insulin
3) Adrenalin
4) Aldosterone
Q. In National Parks, Genetic diversity is maintained by -
1) In-situ conservation
2) Ex-situ conservation
3) Gene pool
4) None of the above
Q. Which of the following is not a biodegradable polluter?
1) Domestic waste
2) Urine
3) Faecal matter
4) Pesticide
Q. Which of the following is largest non-communicable disease in India?
1) Chronic obstructive pulmonary disease (COPD)
2) Cardiovascular Diseases
3) Diabetes
4) Asthma
Q. What is the outermost layer found in the cell envelope of the bacterial cell called?
1) Glycocalyx
2) Cell membrane
3) Plasma membrane
4) Cytoplasm
Q. During which of the following period Ostriches were found in India?
1) Mesolithic
2) Chalocolithic
3) Neolithic
4) Palaeolithic
Q. A sprinter feels cramps and pain in the thigh muscles after a run. This is due to accumulation of -
1) lactic acid
2) CO2
3) pyruvic acid
4) ethanol
Q. A leaf was plucked from a plant on a sunny day and kept for 2 minutes in boiling water. It was subsequently immersed in boiling alcohol and treated with an iodine solution. What will be the final colour of the leaf after the test?
1) Colourless
2) Green
3) Blue
4) White
Q. If the red blood cells (RBCs) of human blood are isolated and diluted in normal saline (an isotonic solution to blood), what will happen to the RBCs?
1) The RBCs will swell
2) The RBCs will swell and burst
3) The RBCs will shrink
4) No change in the diameters of the RBCs
Q. Which one of the following statements regarding bile secreted by the liver is not correct?
1) Bile contains enzymes for digestion of lipids
2) Bile facilitates emulsification of fats
3) Bile neutralizes the acidic pH of the food coming from stomach
4) Bile makes the pH of the food alkaline and facilitates the action of pancreatic enzymes
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