Plant Anatomy and Physiology MCQ question and answer with solution

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10

11.
Alternaria blights of cereals, vegetables and fruit crops are controlled by

A. Diathane M-22 and Diathane S-37

B. Diathane M-45 and Diathane Z-78

C. Diathane M-22 and Diathane M-45

D. None of the above

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12.
In the microspore, the outer variously sculptured layer, sexine remains attached to the nexine by means of

A. Tectum

B. Exine

C. Bacula

D. Intine

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13.
A plant hormone used for inducing morphogenesis in plant tissue culture is

A. ethylene

B. gibberellin

C. cytokinin

D. abscisic acid

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14.
Consider the following statements and choose the correct answer:
1. Average density of soil is 2.65 gms. per ml.
2. The spaces present between soil particles in a given volume of soil are called pore spaces
3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil
4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 1, 2 and 4 are true

D. Only 1, 3 and 4 are true

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15.
The characteristic features of high altitude environment or alpine biome include

A. High ozone content; low atmospheric transparency, high intensity of ionizing radiation

B. A low air density, low oxygen and CO₂ contents, high ozone content

C. Insolation of low intensity during the day and slow radiation during the night

D. Low intensity of ionising radiation and the exclusion of trees

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16.
Match List-I (Phases of Calvin cycle) with List-II (Reactions) and choose the correct answer:

List-I List-II

a. Phase I 1. Glycolytic reversal

b. Phase II 2. Regeneration of RUBP

c. Phase III 3. Carboxylation

A. a-1, b-2, c-3

B. a-3, b-2, c-1

C. a-3, b-1, c-2

D. a-1, b-3, c-2

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17.
Pfr form of phytochrome below a critical level will

A. Promote flowering in a short-day plant

B. Inhibit flowering in a short-day plant

C. Promote flowering in a long-day plant

D. Both A and B

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18.
An increase in the stability of the plants towards high temperature reversal is caused by

A. A decrease in the duration of vernalization treatment

B. An increase in the duration of vernalization treatment

C. An increase in the temperature during vernalization treatment

D. None of the above

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19.
Which of the following enzymes is an example of a transferase?

A. Glutamic-aspartic transaminase

B. Esterase

C. Phosphoglutaric isomerase

D. Glutamic decarboxylase

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20.
The macro-nutrients provided by inorganic fertilisers are

A. carboon, iron and boron

B. magnesium, manganese and sulphur

C. magnesium, zinc and iron

D. nitrogen, phosphorus and potassium

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1 2 3 4 5 6 7 8 9 10

List-I	List-II
a. Phase I	1. Glycolytic reversal
b. Phase II	2. Regeneration of RUBP
c. Phase III	3. Carboxylation

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

11. Alternaria blights of cereals, vegetables and fruit crops are controlled by

Answer & Solution

12. In the microspore, the outer variously sculptured layer, sexine remains attached to the nexine by means of

Answer & Solution

13. A plant hormone used for inducing morphogenesis in plant tissue culture is

Answer & Solution

Answer & Solution

15. The characteristic features of high altitude environment or alpine biome include

Answer & Solution

16. Match List-I (Phases of Calvin cycle) with List-II (Reactions) and choose the correct answer: List-I List-II a. Phase I 1. Glycolytic reversal b. Phase II 2. Regeneration of RUBP c. Phase III 3. Carboxylation

Answer & Solution

17. Pfr form of phytochrome below a critical level will

Answer & Solution

18. An increase in the stability of the plants towards high temperature reversal is caused by

Answer & Solution

19. Which of the following enzymes is an example of a transferase?

Answer & Solution

20. The macro-nutrients provided by inorganic fertilisers are

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

11.
Alternaria blights of cereals, vegetables and fruit crops are controlled by

12.
In the microspore, the outer variously sculptured layer, sexine remains attached to the nexine by means of

13.
A plant hormone used for inducing morphogenesis in plant tissue culture is

15.
The characteristic features of high altitude environment or alpine biome include

16.
Match List-I (Phases of Calvin cycle) with List-II (Reactions) and choose the correct answer:

List-I List-II

a. Phase I 1. Glycolytic reversal

b. Phase II 2. Regeneration of RUBP

c. Phase III 3. Carboxylation

17.
Pfr form of phytochrome below a critical level will

18.
An increase in the stability of the plants towards high temperature reversal is caused by

19.
Which of the following enzymes is an example of a transferase?

20.
The macro-nutrients provided by inorganic fertilisers are