Q.No.1

The total amount of light, used by well illuminated leaves, in photosynthesis

Q.No.2

The minimum requirement of light for the growth of forest trees is

Q.No.3

The effects of blue light on plant growth is

Q.No.4

Elongation of growing axes takes place mainly in the

Q.No.5

Photosynthesis increase as temperature increase upto

Q.No.6

Respiration increase as temperature increase upto

Q.No.7

The optimum temperature of soil for absorption of soil moisture by plants is

Q.No.8

Increasing air temperature has an adverse effect first on

Q.No.9

Frost hardiness can be enhanced by the application of minerals like

Q.No.10

The total forest area of Nepal is estimated to be


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