Science chapter 1 crop production and …

1. The process of loosening and turning the soil is called

(a) Broadcasting

(b) Irrigation

(c) Ploughing

(d) Levelling

1. The organic substance obtained from dead plants and animal wastes is

(a) Manure

(b) Fertilizer

(c) Irrigation

(d) Agriculture

1. In which of the following methods of irrigation rotating nozzles are used?

(a) Moat

(b) Drip system

(c) Chain Pump

(d) Sprinkler system

1. The management and care of farm animals by humans for profit is known as

(a) Granary

(b) Animal Husbandry

(c) Poultry farm

(d) Warehouse

1. The process of separating grain from chaff is called

(a) Threshing

(b) Weeding

(c) Sowing

(d) Winnowing

1. Weeds can be removed by using.

(a) Pesticides

(b) Fungicides

(c) Weedicides

(d) Bactericides

1. The conversion of nitrogen into nitrates is known as

(a) Nitrogen fixation

(b) Ammonification

(c) Nitrate Assimilation

(d) Nitrogen cycle

1. Animals like horse, donkey that carries load are called

(a) Drought species

(b) Load carrying Animals

(c) Dairy Animals

(d) Draught Animal

1. Raising of fish in inland waters and coastal waters are called

(a) Pisciculture

(b) Fishery

(c) fish culture

(d) harvesting

Answers

1. (c) Ploughing
2. (a) Manure
3. (d) Sprinkler system
4. (b) Animal Husbandry
5. (a) Threshing
6. (c) Weedicides
7. (a) Nitrogen fixation
8. (b) Load carrying Animals
9. (a) Pisciculture