Plant Anatomy And Physiology - Study Mode

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[#621] During microsporogenesis the nucleus of each microspore mother cell undergoes

(A) Mitosis

(B) Amitosis

(C) Meiosis

(D) Maturation

Correct Answer

(C) Meiosis

[#622] In which of the following quadrats, in the beginning, all the plants are removed and the observations and recording are done on the basis of the ways of reentrance of plants there?

(A) List quadrat

(B) Chart quadrat

(C) Denuded quadrat

(D) All of the above

Correct Answer

(C) Denuded quadrat

[#623] The flow of energy in ecosystems, from sunlight through photosynthesis in autotrophic producers, through the tissues of herbivorous primary consumers, and the tissue of carnivorous secondary consumers, determines

(A) The number of organisms at each level in the ecosystem

(B) The total weight of organisms at each level in the ecosystem

(C) The number of food chains in a whole ecosystem

(D) Both A and B

Correct Answer

(D) Both A and B

[#624] Study the following statements. 1. Glycolysis takes place in cytoplasm. 2. Kreb's cycle takes place in mitochondria. 3. Electron transport chain takes place in mitochondria. Which of the statements given above are true ?

(A) 1, 2 and 3

(B) 1 and 2

(C) 2 and 3

(D) 1 and 3

Correct Answer

(A) 1, 2 and 3

[#625] Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant are to be bent towards light?

(A) Cytokinin

(B) Auxin

(C) Gibberellin

(D) Abscisic

Correct Answer

(B) Auxin