Class 8 Science Chapter 1 HOTS Questions - Crop Production and Management

Ans: The plants of same kind grown at a place constitute a crop.

Ans: Agriculture is the practice of cultivating plants and rearing animals for food, fiber, and other products.

Ans: Wheat and rice

Ans: Plant diseases are transmitted through infected seeds, soil, air, water, insects, and contaminated tools.

Ans: Because it saves labour and time.

Ans: Sowing is the process of planting seeds.

Ans: A seed drill plants seeds uniformly in soil at the correct depth and spacing to improve crop yield.

Ans: Manures and Fertilizers.

Ans: Food storage preserves crops for long-term use, protecting them from spoilage and pests.

Ans: Tubewells and rivers.

Ans: Rabi season crops are sown in the beginning of winter (October to November) and harvested by March or April.
Examples: Wheat, Barley, Gram, Potato and Mustard. 

Ans: Kharif season crops or summer season crops are grown at the beginning of the monsoon in June to July and are harvested by Sept to Oct.
Example: Rice, Maize, Groundnut, Pulses and Cotton.

Ans: Field fallow is leaving fields uncultivated for a season to restore soil fertility and control pests.

Ans: Winnowing separates grains from chaff using wind, leaving heavier grains behind.

Ans: Fisheries involve rearing, breeding, catching, processing, and selling fish, molluscs, and crustaceans.

Ans: Several activities done by farmers to cultivate the crop and these activities or tasks are referred to as agricultural practices.

Ans: Plough is a tool used for tilling the soil, adding fertilizers to the crop, removing the weeds, scraping of soil, etc. while hoe is a tool which is used for cultivating, weeding, or loosening the soil.

Ans: The growing of vegetables, fruits and flowers in gardens on large scale is called horticulture.

Ans: Weeding removes weeds that compete with crops for nutrients, water, and sunlight, ensuring better crop growth.

Ans: Harvesting is the process of gathering or cutting mature crops from the fields. And the process by which grain seeds are seperated from harvested crop are called threshing.