(a) What is photoperiod ?
(b) What are Rabi and Kharif crops ? Give one example each.
CBSE Class IX Science SA 2 (3 Marks)
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(a) Photoperiod is the number of days plants get sunlight per year.
(b) Rabi crops are those crops which are also called summer crops they have a plantation season from June to July.
Kharif crops are those crops which are also called winter crops they have a plantation period from October to November.
(b) Rabi crops are those crops which are also called summer crops they have a plantation season from June to July.
Kharif crops are those crops which are also called winter crops they have a plantation period from October to November.
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the period of each day during which an organism receives illumination;day length is called photoperiod.Kharif crops are domesticated plants cultivated and harvested during rainy season.Ex-millet,rice.Rabi crops are agricultural crops sown in winter.Ex-wheat,barley.
jaspreetsinghhhh:
(a) Duration of sunlight required for growth of plants is its photoperiod. (b) (i) Kharif crops are grown in rainy season. e.g., paddy. (ii) Rabi crops are grown in winter season. e.g., wheat.
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