Q12 of 465 Page 54

Fill in the blanks:

(a) Photoperiod affect the ...of plants.


(b) Kharif crops are cultivated from to


(c) Rabi crops are cultivated from .... to .....


d) Paddy, Maize, Green Gram and Black gram are ...Crops.


(e) Wheat, Gram, Pea and Mustard are ....crops.

(a) Flowering


It is the duration of light that also enhances the crop production and is very important for the plant growth.


(b) June to October


Kharif crops require abundant and continuous quantity of water supply for germination. As June to october is the time for monsoon so the water supply remains available to farmers.


(c) November to April


Rabi crops require moderate or less amount of water for their growth. Therefore they are grown in the autumn and winter season.


(d) Kharif


The crops like Paddy, Maize and grams require abundant water and are called as Kharif crops


(e) Rabi


Wheat, mustard and pea require less water and are known as Rabi crops.


More from this chapter

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10

Group the following and tabulate them as energy yielding, protein yielding, oil yielding and fodder crop: Wheat, Rice, berseem, Maize Gram, Oat, Pigeon gram, Sudan grass, Lentil, Soybean, Groundnut, Castor and mustard.

 11

Define the terms hybridization and photoperiod.

 13

Cultivation practices and crop yield are related to environmental conditions. Explain.

 14

Fill in the blanks:

(a) A total of ..nutrients are essential to plants.


(b) .....are supplied by air to plants.


(c) .... is supplied by water to plants.


(d) Soil supplies nutrients to plants.


(e) .....nutrients are required in large quantity and called as .....


(f) .......nutrients are needed in small quantity for plants and are called ......