Q50) Which one of the following lichens are used to obtain usnic acid? 1. Usnea and Cladonia 2. Evernia and Ramalina 3. Rocella and Lassalia 4. Usnea and Citraia

Home » Q50) Which one of the following lichens are used to obtain usnic acid? 1. Usnea and Cladonia 2. Evernia and Ramalina 3. Rocella and Lassalia 4. Usnea and Citraia

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Q50) Which one of the following lichens are used to obtain usnic acid? 1. Usnea and Cladonia 2. Evernia and Ramalina 3. Rocella and Lassalia 4. Usnea and Citraia

Correct option: 1

Explanation: Usnea and Cladonia are used to obtain usnic acid.

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More Material

Q80) Eukaryotic cells do not possess ________ . a. Ribosomes b. Mesosomes c. Fimbriae d. Mitochondria 1. Only b 2. b and c 3. a and b 4. only d

Q79) Sexual reproduction is absent in the membranes of _________ . 1. Deuteromycetes 2. Phycomycetes 3. Basidiomycetes 4. Ascomycetes

Q78) The enzymes needed for Krebs cycle are located in ______ . 1. Oxysomes of mitochondria 2. Matrix of mitochondria 3. Cytoplasm of cell 4. Outer membrane of mitochondria

Q77) Damage to VI cranial nerve in human, may affect the movements of ________ . 1. Neck 2. Jaw 3. Tongue 4. Eye

Q76) The size of genome of Methanococcus jannaschii is ______ . 1. 1830 kb 2. 1660 kb 3. 569 kb 4. 12,500 kb

Q75) In Morgan’s experiment on Drosophilia cross between yellow bodied, white eyed female with wild type male gives ______ % of parental gene combination in F2 generation. 1. 37% 2. 1.3% 3. 62.8% 4. 98.7%

Q74) A man working in a furnace room suffered from asphyxiation. What should be the main reason? 1. More O2 level in the furnace room. 2. CO poisoning due to high CO level in the furnace room. 3. More O2 as well as fumes in the furnace room. 4. Less O2 level in the furnace room.

Q73) In plant breeding, biofortification is a method ______ . 1. To increase the nutritional value of crop plants. 2. To make the crop plants disease resistant. 3. To improve the yield of the crop plant.

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Q71) Norman Borlaug developed semi-dwarf varieties of wheat in _____ . 1. Mexico 2. USA 3. Philippines 4. India

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