Agriculture - Mock Test 187

Question 1861

The mode of arrangement of ovules in the cavity of ovary is known as?

A) Pollination B) Aestivation C) Placenatation D) Fertilization

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Question 1862

The minute scaly outgrowths borne at the upper end of the leaf sheath, as in Gramineae are called?

A) Bract B) Bracteole C) Stipule D) Ligule

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Question 1863

The mendel's laws of inheritance were rediscovered in 1900 by?

A) Bateson and Punnet B) Beadle, Tatum and Leader-berg C) Watson and Crick D) Correns, de Varies and Tschermak

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Question 1864

The mechanism of male sterility in self-pollinated crops can be successfully utilised to obtain?

A) Selfed seed B) Mutated seed without radiation treatment C) Hybrid seed without emasculation D) Sterile seed

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Question 1865

The male sterile line is a cross to produce hybrid seed is known as?

A) A line B) R line C) C line D) None of them

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Question 1866

The majority of halophytes show?

A) Mesomorphic character B) Hydromorphic character C) Xeromorphic caracter D) None of above

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Question 1867

The main type of endosperm development is?

A) Nuclear type B) Cellular type C) Both a & b D) None of above

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Question 1868

The main reason for the classification of plants is?

A) The difficulties arising in the study of plants because of their large number B) Their mechanical separation C) The nature of man D) The environmental conditions

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Question 1869

The main patterns concerning origin and domestication of cultivated plant species are?

A) Mendelian variation B) Inter-specific hybridization C) Polyploidy D) All of these

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Question 1870

When the pistil has all the carpals united together it is said to be?

A) Apocarpous B) Syncarpous C) Simpler types D) None of the above

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