Agriculture - Mock Test 203

Question 2021

Which one of the following chemicals is used to induce polyploidy?

A) Ethyl methane sulphonate B) Methyl methane sulphonate C) Colchicines D) Nitrous acid

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Question 2022

It is an established fact that higher and more complex forms of plants and animals have evolved from?

A) Recent and simpler forms B) Earlier and simple forms C) Recent and complex forms D) Xerophytic forms

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Question 2023

It has been estimated that a miize tassel produces at least _____ pollen grains for each kernel?

A) 5,000 B) 15,000 C) 25,000 D) 35,000

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Question 2024

International Rice Research Institute (IRRI) is situated in?

A) Philippines B) Japan C) China D) Burma

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Question 2025

Inflorescence of wheat ear is?

A) Catkin B) Spike C) Corymbs D) Raceme

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Question 2026

In which part of the cell, does protein synthesis take place?

A) Mitochondria B) Nucleolus C) Nucleus D) Ribosomes

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Question 2027

In which one of the following crops maximum exploitation of hybrid vigour during the last three decades has been done?

A) Wheat B) Rice C) Maize D) Cotton

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Question 2028

In wheat, cross-pollination is?

A) Less than 5% B) More than 5% C) 15% D) 50%

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Question 2029

In wheat and oat there are _____ genes for red versus white kernels?

A) Two B) Three C) Four D) Five

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Question 2030

In the simple ovary (of one carpel) there is one common type of placentation known as?

A) Axile B) Parietal C) Central D) Marginal

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