Pre Assessment| CBSE| G8 |Crop Production and Management

What is the first step before growing crops?

• Harvesting

• Preparation of soil

• Watering

• Sowing

Which crops are sown in the rainy season?

• Wheat and gram

• Mustard and linseed

• Paddy and maize

• Soyabean and groundnut

What is the process of separating the grain from chaff called?

• Threshing

• Weeding

• Harvesting

• Irrigation

What is the main difference between traditional and modern agricultural practices?

• Use of modern tools and technology

• Dependence on rainwater for irrigation

• Use of chemical fertilisers

• Growing crops on a large scale

What is the purpose of weeding in crop production?

• To separate grain from chaff

• To protect crops from pests

• To provide water to the crops

• To remove unwanted plants competing with crops

Which method of irrigation conserves water by allowing water to fall drop by drop near the roots?

• Chain pump system

• Moat system

• Drip system

• Sprinkler system

What is the effect of continuous rain on plants?

• Increases nutrient absorption

• Promotes flowering

• Enhances growth

• Causes wilting

How are fertilisers different from manure?

• Fertilisers provide humus to the soil, manure is rich in plant nutrients

• Fertilisers are prepared in fields, manure is produced in factories

• Fertilisers are natural substances, manure is man-made

• Fertilisers are rich in plant nutrients, manure is relatively less rich in plant nutrients

What is the main purpose of harvesting in crop production?

• To separate grain from chaff

• To remove weeds

• To prepare the soil

• To cut the mature crop

Which crop is also known as one of the pulses?

• Gram

• Moong

• Wheat

• Soyabean