Plant Anatomy And Physiology - Study Mode

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[#811] Which of the following plants is the alternate host of orange leaf rust?

(A) Thalictrum flavum

(B) Coffia arabica

(C) Solanum tuberosum

(D) Berberis vulgaris

Correct Answer

(A) Thalictrum flavum

[#812] Which of the following layers of the pollen grain covers the whole grain?

(A) Intine

(B) Exo-extine

(C) Endo-extine

(D) None of the above

Correct Answer

(C) Endo-extine

[#813] Consider the following statements. 1. The energy currency of cell is ATP (Adenocine Triphosphate). 2. Maximum amount of energy (ATP) is liberated on oxidation of fat. 3. Alcohol is a product of anaerobic respiration. Which of the statement(s) given above is/are true ?

(A) Only 1

(B) Only 2

(C) 1 and 3

(D) 1, 2 and 3

Correct Answer

(D) 1, 2 and 3

[#814] In which of the following endemic types the taxa are supposed to have evolved only during the recent times and did not have sufficient time to extend their ranges of distribution?

(A) Palaeoendemics

(B) Epibiotics

(C) Relics

(D) Neoendemics

Correct Answer

(D) Neoendemics

[#815] Consider the following statements and choose the correct answer: 1. Every species of animal and plant tends to produce more offspring than can survive within the normal range of the organism 2. There is a strong population pressure tending to force the individuals of each species to spread out and become established in new territories 3. The spread of a species is prevented by highways, such as land connections between continents 4. The spread of species is facilitated by geographical barriers, such as oceans, mountains, deserts and large rivers

(A) Only 1, 2 and 3 are true

(B) Only 3 and 4 are true

(C) Only 1 and 2 are true

(D) Only 2, 3 and 4 are true

Correct Answer

(C) Only 1 and 2 are true