Agriculture - Mock Test 181

Question 1801

The term genetics was coined by?

A) Gregor Mendel B) Bateson C) T.H. Morgan D) H.J. Mujer

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Question 1802

The term epistasis was originally used by _____ in 1909 to describe genes whose effects mark or cover the effects of other genes?

A) Wagner B) Bateson C) Hayman D) Atwood

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Question 1803

The tap root system is normally meant to?

A) Absorb water and mineral salts from the soil B) Conduct water and mineral salts to the stem C) Give proper encharge to plant D) All of the above

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Question 1804

The surface tension in any liquid is ______ related to the temperature?

A) Universally B) Directly C) Indirectly D) Does not

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Question 1805

When we place a living plant cell in a solution with an osmotic potential identical to that of its own cell sap the solution is?

A) Hypertonic B) Hypotonic C) Isotonic D) None of the above

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Question 1806

The study of ecology from the standpoint of individual species is called?

A) Synecology B) Phytogeography C) Autecology D) None of the above

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Question 1807

The structure of chromosome can best be observed during?

A) Prophase B) Metaphase C) Anaphase D) Telaphase

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Question 1808

The staminate ______ plants out yield pistillate plants by about 25 per cent?

A) Asparagus B) Lettuce C) Spinach D) Hemp

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Question 1809

The stage of prophase occur in?

A) Mitosis B) Meiosis C) Amitosis D) Free cell formation

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Question 1810

The slender stalk by which ovule is attached to the placenta is known as?

A) Funicle B) Hilum C) Raphe D) Chalaza

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