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

31.
Consider the following statements regarding chasmophytes and choose the correct answer:
1. Chasmophytes are plants rooted in fissures or clefts and crevices of rocks which are filled with earth, dust and other gravel or rock-debris
2. Chasmophytic flora consists of all types, they belong to Thallophyta, Bryophyta, Pteridophyta and Spermatophyta
3. Rhizoids and roots of chasmophytes are often constricted within narrow clefts and flattened out as thin filamentous structures
4. If the rock is provided with clefts and crevices, lithophytes along chasmophytes develop in these

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 3 and 4 are true

D. 1, 2, 3 and 4 are true

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32.
At which level of the pyramid of energy the amount of the total energy is the highest?

A. At the trophic level situated at the top

B. At the primary consumer level

C. At the producer level

D. At the trophic level just below the top level

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33.
The fraction of the total amount of a substance in a component which is released in a given time is called

A. Turnover rate

B. Rate of efficiency

C. Productivity

D. Yield

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34.
The whole fruit body of which of the following spores of Fusarium oxysporum is called the sporodochium?

A. Microconidia

B. Macroconidia

C. Chlamydospores

D. None of the above

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35.
Which of the following is a plant tissue?
1. Meristematic tissue
2. Permanent tissue

A. Neither 1 nor 2

B. Both 1 and 2

C. Only 1

D. Only 2

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36.
In C₄ plants, the atmospheric CO₂ is accepted by

A. Phosphoenol pyruvic acid

B. Oxaloacetic acid

C. Ribulose diphosphate

D. Pyruvic acid

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37.
The part of life cycle of Puccinia which is passed on the grain host or the wheat plant represents the

A. Diploid phase

B. Synkaryon phase

C. Haploid phase

D. Dikaryophase

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38.
Advantages of self-pollination include

A. Less chances of failure of pollination

B. Continuance self-pollination results in the stronger progeny

C. New species and varieties of plants are produced

D. All of the above

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39.
Which of the following statements about phloem transport is correct?

A. Phloem transport occurs unidirectionally

B. Gravity influences phloem transport

C. Ca⁺ is the most abundantcation in phloem sap

D. Sugar is transported in phloem as non-reducing sugar

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40.
A natural process observed in lakes and tanks where the rich growth of micro-organisms consumes much of the dissolved oxygen, tending to deprive other organisms is known as

A. Eutrophication

B. Precipitation

C. Oxygenation

D. Petrifaction

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

Answer & Solution

32. At which level of the pyramid of energy the amount of the total energy is the highest?

Answer & Solution

33. The fraction of the total amount of a substance in a component which is released in a given time is called

Answer & Solution

34. The whole fruit body of which of the following spores of Fusarium oxysporum is called the sporodochium?

Answer & Solution

35. Which of the following is a plant tissue? 1. Meristematic tissue 2. Permanent tissue

Answer & Solution

36. In C4 plants, the atmospheric CO2 is accepted by

Answer & Solution

37. The part of life cycle of Puccinia which is passed on the grain host or the wheat plant represents the

Answer & Solution

38. Advantages of self-pollination include

Answer & Solution

39. Which of the following statements about phloem transport is correct?

Answer & Solution

40. A natural process observed in lakes and tanks where the rich growth of micro-organisms consumes much of the dissolved oxygen, tending to deprive other organisms is known as

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

32.
At which level of the pyramid of energy the amount of the total energy is the highest?

33.
The fraction of the total amount of a substance in a component which is released in a given time is called

34.
The whole fruit body of which of the following spores of Fusarium oxysporum is called the sporodochium?

35.
Which of the following is a plant tissue?
1. Meristematic tissue
2. Permanent tissue

36.
In C₄ plants, the atmospheric CO₂ is accepted by

37.
The part of life cycle of Puccinia which is passed on the grain host or the wheat plant represents the

38.
Advantages of self-pollination include

39.
Which of the following statements about phloem transport is correct?

40.
A natural process observed in lakes and tanks where the rich growth of micro-organisms consumes much of the dissolved oxygen, tending to deprive other organisms is known as