Plant Anatomy And Physiology - Study Mode

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[#341] Which one of the following is not a plant hormone?

(A) Cytokinin

(B) Ethylene

(C) Insulin

(D) Gibberellin

Correct Answer

(C) Insulin

[#342] Match List I (Organic acids) with List II (Respiratory Quotients) and choose the correct answer: List-I List-II a. Oxalic acid 1. 1.33 b. Tartaric acid 2. 1.6 c. Malic acid 3. 4.0

(A) a-2, b-3, c-1

(B) a-3, b-1, c-2

(C) a-3, b-2, c-1

(D) a-1, b-2, c-3

Correct Answer

(C) a-3, b-2, c-1

[#343] In which of the following modes of entry, the pollen tube enters the ovule through the side of the integument nearest to the placenta, curves round the channel of the micropyle and reaches the embryo sac through the nucellus ?

(A) Porogamy

(B) Basigamy

(C) Acrogamy

(D) Mesogamy

Correct Answer

(D) Mesogamy

[#344] In many hermaphrodite or bisexual flowers the anther and stigma mature at different times and thus avoid self-pollination. This condition is known as

(A) Dichogamy

(B) Porogamy

(C) Chalazogamy

(D) Unisexuality

Correct Answer

(A) Dichogamy

[#345] Match List-I (Regions) with List-II (Names of the grassland biome) and select the correct answer: List-I List-II a. Grassland of Eurasia 1. Prairies b. Grassland of Brazil 2. Steppes c. Grassland of India 3. Savanna d. North American and Canadian grassland 4. Llanos

(A) a-2, b-4, c-1, d-3

(B) a-2, b-1, c-3, d-4

(C) a-1, b-2, c-4, d-3

(D) a-2, b-4, c-3, d-1

Correct Answer

(D) a-2, b-4, c-3, d-1