Match proper pair

       Column I                              Column II

1    Silt particle                              a.large

2    Sandparticle                            b. Colloids

3    Clay particle                            c. medium

4    very small clay particle           d. smal

A. 1 - a, 2 - d, 3 - c, 4 - b

B. 1 - b, 2 - c, 3 - a, 4 - d

C. 1 - c, 2 - b, 3 - d, 4 - a

D. 1 - c, 2 - a, 3 - d, 4 - b

Answer : Option D

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42.  Write an example of bacteria and the process which is responsible for reducing nitrates to gaseous nitrogen ?

A. Agrobacterium and Nitrification

B. Pseudomonas and Agrobacterium

C. Nitrosomonas and Denitrification

D. Agrobacterium and Denitrification

Answer : Option D

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43.  The method of hydroponic in which with the use of NFT, automatically, nutrient rich solution is given, is called .....

A. Continous flowing solution culture

B. Tissue culture method

C. Gas culture method

D. Balanced - culture solution method

Answer : Option A

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Which type of transport of mineral elements is shown in the given diagram ?

A. Fig x Sympart Fig y Unipart

B. Fig x Unipart Fig y Antipart

C. Fig x Sympart Fig y Antipart

D. Fig x Antipart Fig y sympart

Answer : Option C

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45.  Which is the correct sequence of enzymes for protein synthesis during N

A. Nitrogenase --> Transaminase --> Glutamate dehydrogenase

B. Glutamate dehydrogenase --> Transaminase --> Nitrogenase

C. Hydrogenase --> Glutamate dehydrogenase --> Transaminase

D. Transaminase --> Nitrogenase --> Glutamate dehydrogenase

Answer : Option C

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46.  Which amino acid acts as a main donor of amino group in transamination ?

A. Glutamic acid

B. Glutamine

C. Glutamate dehydrogenase

D. Glycine

Answer : Option A

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47.  The region within the plasma membrance and within the vacuole is called ?

A. nucleus membrane region

B. passive transport region

C. Cellular region

D. Active transport region

Answer : Option C

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48.  Which of the following is not related with intra cellular fluid ?

A. Mn

B. Mg

C. Mo

D. Na

Answer : Option B

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49.  Which method of hydroponics used for raising plants in solution filled containers such as a glass,jars, buckets, tubs and water tanks ?

A. static solution culture

B. nutrient film technique

C. Aeroponics

D. tissue culture

Answer : Option A

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50.  Which is improper pair of the following ?

A. Ionic balance in plants - Na

B. Cell wall component - B

C. Activation of Nitrogenase - Cu

D. Required for iron absorption - Ni

Answer : Option C

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