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Bran oil is obtained from?/ प्रान तेल किससे निकाला जाता है? |
Straw/भूसे से
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Bamboos is?/बॉस क्या है? |
Tree/वृक्ष
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Quinine is obtained from? / कुनेन किससे प्राप्त की जाती है? |
Withania /विथेनिया से
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The algae polysiphonia is used in the extraction of? / पोली साइफोनिया शैवाल से निकाला जाता है? |
Iodine/ आयोडीन
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Food chain starts with? / खाद्य श्रृंखला कहाँ से शुरू होती है ? |
Respiration/ श्वसन से
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Acid rains contains?/ अम्ल वर्षा में क्या होता है ? |
Only Sulphuric acid/केवल सल्फ्यूरिक एसिड
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What is the source of O2 in photosynthesis?/ प्रकाश संश्लेषण में O2 का का स्त्रोत क्या है ? |
CO2.
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Resin is a product of:/ रेसिन किस पौधे का उत्पाद है: |
Grapes/अंगूर
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Seed is formed from ? |
A) Unfertilised ovary B) Fertilised ovary C) Fertilised ovule D) Unfertilised ovule Correct Answer : Unfertilised ovule |
A water fern, which is used as a green manure in rice fields is ? |
A) Salvinia B) Mucor C) Aspergillus D) Azolla Correct Answer : Azolla |
Lichens are a symbiotic association of? |
A) bread mould and green algae B) mushroom and green algae C) yeast and green algae D) cyanobacteria and fungi Correct Answer : cyanobacteria and fungi Explanation : A lichen is an organism that results from a mutualistic relationship between a fungus and a photosynthetic organism. The other organism is usually a cyanobacterium or green alga. The fungus grows around the bacterial or algal cells. The fungus benefits from the constant supply of food produced by the photosynthesizer. |