Q. Food Poisoning (Botulism) is caused by infection of a species of -
1) Azotobacter
2) Lacto bacillus
3) Clostridium
4) Rhizobium
Q. Chlorophyll contains -
1) Iron
2) Copper
3) Magnesium
4) Manganese
Q. Yeast is an example of -
1) bacteria
2) fungus
3) virus
4) algae
Q. Forest fires are natural sources of -
1) Carbon monoxide
2) Hydrocarbons
3) Hydrogen sulphide
4) Nitrogen dioxide
Q. ATP stands for -
1) Adenosine triphosphate
2) Alanine triphosphate
3) Adrenalin triphosphate
4) Asparagine triphosphate
Q. Gall bladder stones are deposits of -
1) Calcium
2) Phosphorus
3) Glucose
4) Cholesterol
Q. Carotene is found in -
1) Lemon
2) Carrot
3) Radish
4) Turnip
Q. Trees shed their leaves in winter season to -
1) Conserve heat
2) Take rest after the summer growth
3) Conserve water
4) Escape being eaten by animals
Q. Which one of the following sets of elements was primarily responsible for the origin of life on the earth?
1) Hydrogen, Oxygen, Sodium
2) Carbon, Hydrogen, Nitrogen
3) Oxygen, Calcium, Phosphorus
4) Carbon, Hydrogen, Potassium
Q. A genetically engineered form of brinjal known as the BT-brinjal has been developed. The objective of this is -
1) To make it pest resistant
2) To improve its taste and nutritive qualities
3) To make it drought resistant
4) To make its shelf life longer
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