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

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31.
In alfalfa, cold sensitive cultivars are

A. Long-day plants

B. Short-day plants

C. Day-neutral plants

D. Both A and B

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32.
The most suitable temperature for citrus canker appears to be

A. 10° C to 20° C

B. 20° C to 30° C

C. 27° C to 39° C

D. 0° C to 10° C

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33.
The green colour of the leaves is due to the presence of

A. proteins

B. lipids

C. chlorophyll

D. carbohydrates

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34.
Which one of the following does not increase the amount of carbon dioxide in carbon cycle on earth?

A. Respiration

B. Photosynthesis

C. Decay of organic matter

D. Volcanic action

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35.
The first stage in the process of fermentation is the

A. Phosphorylation of hexose with the ATP molecules

B. Carboxylation of CO₂ with Rubp

C. Oxidation of 3-phosphoglyceraldehyde

D. Isomerisation of glucose 6-phosphate to fructose 6-phosphate

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36.
Atmospheric diffusion of air is minimal at elevations above

A. 500 meters of earth's surface

B. 1000 meters of earth's surface

C. 1500 meters of earth's surface

D. 3000 meters of earth's surface

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37.
The only plant cells without nuclei among the following are

A. cambium cells

B. root hairs

C. companion cells

D. tracheid cells

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38.
Example of plants which require vernalisation is/are

A. pea

B. sugar beet

C. cabbage

D. All of these

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39.
The microbes which are essential for the conversion of ammonium salts to nitrate have been isolated first by

A. Nicholas (1960)

B. Winogradsky (1890)

C. Kritzmann (1937)

D. Blackman (1899)

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40.
The species that dominate in upper Rhododendron zone up to the timber line include

A. Rhododendron barbatum

B. Rhododendron grande

C. Rhododendron cinnabarium

D. Rhododendron campanulatum

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

31. In alfalfa, cold sensitive cultivars are

Answer & Solution

32. The most suitable temperature for citrus canker appears to be

Answer & Solution

33. The green colour of the leaves is due to the presence of

Answer & Solution

34. Which one of the following does not increase the amount of carbon dioxide in carbon cycle on earth?

Answer & Solution

35. The first stage in the process of fermentation is the

Answer & Solution

36. Atmospheric diffusion of air is minimal at elevations above

Answer & Solution

37. The only plant cells without nuclei among the following are

Answer & Solution

38. Example of plants which require vernalisation is/are

Answer & Solution

39. The microbes which are essential for the conversion of ammonium salts to nitrate have been isolated first by

Answer & Solution

40. The species that dominate in upper Rhododendron zone up to the timber line include

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

31.
In alfalfa, cold sensitive cultivars are

32.
The most suitable temperature for citrus canker appears to be

33.
The green colour of the leaves is due to the presence of

34.
Which one of the following does not increase the amount of carbon dioxide in carbon cycle on earth?

35.
The first stage in the process of fermentation is the

36.
Atmospheric diffusion of air is minimal at elevations above

37.
The only plant cells without nuclei among the following are

38.
Example of plants which require vernalisation is/are

39.
The microbes which are essential for the conversion of ammonium salts to nitrate have been isolated first by

40.
The species that dominate in upper Rhododendron zone up to the timber line include