Plant Anatomy and Physiology MCQ question and answer with solution

11

Due to low temperature and high rainfall the organic matter content of the soil increases at higher altitudes, with

A) An increase in soil nitrogen and its P^H values B) A decrease in soil nitrogen and its P^H values C) An increase in soil nitrogen and a decrease in its P^H values D) A decrease in soil nitrogen and an increase in its P^H values

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Answer & Solution

Answer: Option C

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12

Which of the following plants show shoot senescence?

A) Dock, Neetle, Banana B) Rice, Gram, Mustard C) Rice, Neetle, Banana D) Gram, Dock, Soyabean

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Answer & Solution

Answer: Option A

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13

Which of the following parts of an embryo sac, after fertilization, forms perisperm of seed?

A) Chalaza B) Hilum C) Nucellus D) Micropyle

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Answer & Solution

Answer: Option C

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14

The meristem which occurs between mature tissues is known as . . . . . . . . meristerm.

A) intercalary B) primary C) lateral D) apical

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Answer & Solution

Answer: Option A

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15

Which of the following at any given time does not show productivity of the area?

A) Standing crop or biomass present B) Material removed C) Production rate D) Both B and C

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Answer & Solution

Answer: Option A

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16

Which of the following coasts of Karnataka and Kerala contain Ceriops candolleana and Bruguiera eriopetala?

A) East coasts B) West coasts C) North coasts D) South coasts

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Answer & Solution

Answer: Option B

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17

Match List-I (Scientists) with List-II (Statements regarding the morphological nature of the endosperm) and select the correct answer:

List-I	List-II
a. Hofmeister (1858)	1. Endosperm is a gametophytic structure, whose development is checked
b. Lamnnier (1887)	2. Endosperm is a second embryo, which is actually modified
c. Sargant (1900)	3. The chief function of endosperm is not that of storage, but the secretion of diastase and other enzymes
d. Haberlandt (1914)	4. Endosperm is the sporophytic tissue or the twin of an embryo

A) a-2, b-4, c-3, d-1 B) a-1, b-2, c-4, d-3 C) a-2, b-1, c-3, d-4 D) a-1, b-4, c-2, d-3

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Answer & Solution

Answer: Option B

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18

Cell elongation in internodal regions of the green plants takes place due to

A) indole acetic acid B) cytokinins C) gibberellins D) ethylene

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Answer & Solution

Answer: Option C

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19

The process in which the branches of a superior plant and an inferior plant of the same species are chiseled and tied together is known as

A) Grafting B) Inarching C) Gootee D) Micropropagation

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Answer & Solution

Answer: Option B

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20

Abscission does not occur when

A) The endogenous auxin concentration is equal on both the distal side and the proximal side B) The endogenous auxin concentration in high on the distal side and low on the proximal side C) The endogenous auxin concentration is low on the distal side and high on the proximal side D) The endogenous auxin concentration is high on both the distal side and the proximal side

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Answer & Solution

Answer: Option B

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Plant Anatomy and Physiology MCQ question and answer with solution | Biology Gk MCQs