Agriculture - Mock Test 212

Question 2111

Each gramme of water transpired absorbs ______ kj of latent heat from the leaf and its environment?

A) 2.0 - 2.1 B) 2.2-2.3 C) 3.4-3.5 D) 2.7-2.8

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Question 2112

Each cell of the female gametophyte is hapoid except?

A) Egg cell B) Synergid cells C) Antipodals cells D) Definitive nucleus

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Question 2113

During mitotic cell division the total chromosome number?

A) Remains the same B) Gets halved C) Gets doubled D) None of them

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Question 2114

DPD is the index of sucking power and is also known as?

A) Suction pressure B) Wall pressure C) Osmotic D) Turgor pressure

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Question 2115

DNA polymerase?

A) Helps is DNA replication B) Helps in RNA replication C) Helps in protein synthesis D) None of the above

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Question 2116

DNA exists as a double helix as a result of hydrogen bonding between?

A) Sugar molecules B) Phosphate groups C) Nucleohistones D) Nucleosides

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Question 2117

Disease rsistance in barley is?

A) Quantitative characteristics B) Qualitative characteristics C) Both a & b D) None of the above

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Question 2118

Disease reaction is by and large, a process?

A) Physical B) Chemical C) Mechanical D) Manual

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Question 2119

Development of the pollen tube, the seed and the 3n endosperm, double fertilization is characteristic features of?

A) Bryophytes B) Pteridophytes C) Gymnosperms D) Angiosperms

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Question 2120

Development of seed without-sexual process is?

A) Apomixes B) Polyembryony C) Both a & b D) None of the above

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