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Biology GK · all questions

Plant Anatomy and Physiology
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The aerobic oxidation of one molecule of NADH through the mitochondrial respiratory chain gives rise to the synthesis of

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Wilt of arhar is a

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Of the five petals of the corolla, if, the largest encloses the two laterals which in turn, overlap the two smallest fused petals then the corolla is said to be

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During microgametogenesis, the two gametic nuclei are produced by

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Consider the following statements.
1. Fertilisation of the egg takes place inside the embryo sac.
2. Fertilised ovum form the embryo.
3. Endosperm is generally triploid.
Which of the statements given above are correct?

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Which one of the following is the process involved in photosynthesis?

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Excess amount of absorbed water by plants is liberated out by

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A clone is a group of individuals obtained through

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Consider the following statements regarding mangrove vegetation and choose the correct answer:
1. True mangrove vegetation occurs in open beach or in sandy or rocky shores of the sea
2. The vegetation rarely develops in wet tropics where the tropical rain forest is the climax vegetation
3. In world, the eastern mangrove is found on the coasts of Indian ocean and the western part of the Pacific ocean
4. Most of the species of mangrove formations are gregarious in habit

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Deposition of calcium carbonate in water is called

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When the fruit is derived from a monocarpellary superior, unilocular ovary with marginal placentation, it is known as

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The optimum temperature for the formation of zoospore in Phytophthora infestans is

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Which of the following viruses is known as Solanum virus-3 which causes super mild mosaic?

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The hormone related to drought tolerance is

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Water potential of protoplasm is equal but opposite in sign to the

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According to Cajlachjan's ideas, long-day plants on non-inductive cycles have a sufficient amount of

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Germination of a seed will occur only

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Which of the following is a seed borne disease?

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Which one of the following gases is used by plants in photosynthesis?

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Which of the following is the fundamental unit of phytosociology, being a plant community of certain floristic composition, of uniform habitat conditions and of uniform physiognomy?

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