Biology General Studies Questions for ssc upsc competitive examspage 3

31 .The plant from which cocoa and chocolate are obtained is-

A. Herb

B. shrub

C. Small tree

D. very big tree

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32 .Crop shown at the commencement of the monsoon is called-

A. Rabi crop

B. Cash crop

C. Kharif crop

D. none of these

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33 .Plant which grow in saline soil are-

A. Xerophytes

B. Hydrophytes

C. Halophytes

D. Succulents

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34 .Transpiration in plants is a process of

A. Photorespiration

B. Water loss

C. Food production

D. Respiration

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35 .In soil, water that is readily available to plant roots is:

A. Gravitational water

B. Capillary water

C. Hygroscopic water

D. Bound water

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36 .Vaseline was applied to bothsurfaces of the leaves of aplant.Which of the followingprocess/processes would beaffected?
1. Photosynthesis
2. Rspiration
3. Transpiration
Select the correctanswer using the code given below:

A. 1 and 3 only

B. 2 only

C. 2 and 3 only

D. 1, 2 and 3

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37 .Willting of plants occurs due to excessive:

A. Absorption

B. Transpiration

C. Respiration

D. Guttation

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38 .Willting of plants occurs due to excessive:

A. Absorption

B. Transpiration

C. Respiration

D. Guttation

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39 .Transpiration differs from evopartion in-

A. Rate of water loss

B. Transpiration is a physiological process while evaporation is physical process.

C. Transpiration is physical process while evaporation is a physiological process.

D. Frequency of water loss.

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40 .Dwarf plants can be made taller by applying-

A. Gibberellins

B. Auxins

C. Cytokinins

D. Dormin

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41 .The oxygen in photsythesis is released from-

A. CO2

B. H2O

C. Both CO2 & H2O

D. Chlorophyll

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42 .Photolysis of water involves-

A. Excitement of water

B. Evoluation of oxygen

C. Breakdown of water by light

D. Splitting of water into its ion H+ and OH-

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43 .An element present in chlorophyll -

A. Ca

B. Fe

C. Mg

D. S

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44 .Respiration is-

A. Endothermic process

B. Exothermic process

C. Anabolic process

D. Endagenic process

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45 .Fermentation is -

A. Anearobic respiration

B. Incomplete oxidation of carbohydrate

C. Complete oxidation carbohydrate

D. None of above

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