Plant Anatomy and Physiology MCQ question and answer with solution

61

The enzymes for the Kreb's cycle are located in the

A) Matrix of the mitochondrion B) Cristae of the mitochondrion C) Outer membrane of the mitochondrion D) Chloroplast

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Answer & Solution

Answer: Option A

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62

The photoconversions of the Pr and Pfr forms involve electronic changes in ring I, with

A) The addition of a proton B) The removal of a proton C) The addition of an eletron D) Either A or B

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Answer & Solution

Answer: Option D

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63

Consider the following statements.
Assertion (A) Cuscuta (Amarbel) is an example of parasitic angiosperm.
Reason (R) It gets its nutrition from the leaves of the host plant.
Choose your answer:

A) Both A and R are true and R is the correct explanation of A B) Both A and R are true, but R is not the correct explanation of A C) A is false, but R is true D) A is true, but R is false

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Answer & Solution

Answer: Option D

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64

The endosperm of angiosperms is developed from

A) antipodals B) zygote C) synergids D) secondary nucleus

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Answer & Solution

Answer: Option D

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65

The major portion of a maize grain is occupied by a large starchy endosperm surrounded by a special one-cell thick layer called

A) Dermal layer B) Aleurone layer C) Sheath layer D) None of the above

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Answer & Solution

Answer: Option B

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66

Pollination by birds is called

A) anemophily B) entomophily C) autogamy D) ornithophily

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Answer & Solution

Answer: Option D

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67

The plants which occur at higher altitudes are known as

A) Xerophytes B) Halophytes C) Thallophytes D) Chamaephytes

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Answer & Solution

Answer: Option D

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68

Match List-I with List-II and select the correct answer:

List-I (Diseases)	List-II (Causal agents)
a. Smut of sugarcane	1. Podosphaera leucotricha
b. White rust of crucifers	2. Albugo candida
c. Apple scab	3. Claviceps purpurea
d. Ergot of rye	4. Ustilago scitaminae

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

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Answer & Solution

Answer: Option D

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69

An enzyme and a coenzyme together form an enzymatically conjugated protein called the

A) Apoenzyme B) Intrinsic protein C) Holozyme D) None of the above

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Answer & Solution

Answer: Option C

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70

Copper is associated with . . . . . . . . mitochondrial enzymes.

A) glutamate dehydrogenase B) cytochrome oxidase C) monoamine oxidase D) C-reductase

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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