Q. Azolla is often used as biofertilizer, because it is associated with -
1) Moss
2) Blue Green Algae
3) Red Algae
4) Fungus
Q. Which of the following is used as laughing gas?
1) Nitrogen trioxide
2) Nitrogen dioxide
3) Nitrous oxide
4) Nitrogen tetraoxide
Q. Diseases of which of the following pairs are caused by virus?
1) Polio and Bird Flu
2) Malaria and Polio
3) Polio and Tuberculosis
4) Tuberculosis and Influenza
Q. Nepenthes Khasiana, a rare and endangered plant is found in-
1) Meghalaya
2) Himachal Pradesh
3) Madhya Pradesh
4) Uttar Pradesh
Q. Opium is obtained from which part of the poppy plant?
1) Unripe Fruits
2) Flower
3) Leaves
4) Roots
Q. Which of the following Chemicals is used for fruit ripening?
1) Calcium carbide
2) Sodium chloride
3) Potassium chloride
4) None of the above
Q. Amongst the following flying organisms, which one does not belong to the group, Aves?
1) Eagle
2) Parrot
3) Crow
4) Bat
Q. which one of the following spices is a floral bud?
1) Pepper
2) Clove
3) Cumin
4) Turmeric
Q. Which one of the following is an air pollutant gas and is released by burning of fossil fuel?
1) Nitrogen
2) Hydrogen
3) Oxygen
4) Sulphur dioxide
Q. Which of the following are required for the formation of bones and teeth?
1) Sodium and Calcium
2) Sodium and Potassium
3) Iron and Calcium
4) Calcium and Phosphorus
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