Science Practice Quiz 231

Q1.What is used to break the big clumps of soil called crumbs after ploughing?

A. A plough B. A leveller C. A hoe D. A cultivator

Q2.What is the main part of the plough made of?

A. Iron B. Wood C. Soil D. Fertilizers

Q3.What is attached to the other end of the ploughshaft?

A. A handle B. A beam C. A ploughshare D. A leveller

Q4.What is the purpose of using a hoe in crop production and management?

A. To remove weeds and loosen the soil B. To add fertilizers to the soil C. To sow seeds D. To water the field

Q5.What type of plough is increasingly replacing the indigenous wooden plough?

A. Iron plough B. Wooden plough C. Copper plough D. Steel plough

Q6.What is the purpose of using a seed drill in crop production?

A. To water the seeds B. To sow seeds uniformly at equal distance and depth C. To remove weeds from the field D. To add manure to the soil

Q7.Why are seeds of some plants first grown in a nursery?

A. Because they require more water B. Because they require more sunlight C. Because they are later transplanted to the field manually D. Because they are more prone to diseases

Q8.What happens to the nutrients in the soil when the same field is used for continuous cultivation of crops?

A. The soil becomes richer in nutrients B. The soil remains unchanged C. The soil becomes poorer in nutrients D. The soil becomes more acidic

Q9.What is the purpose of adding manure to the soil?

A. To remove weeds from the field B. To add water to the soil C. To replenish the soil with nutrients D. To reduce the soil temperature

Q10.What is manure?

A. An inorganic substance obtained from the decomposition of plant or animal wastes B. An organic substance obtained from the decomposition of plant or animal wastes C. A synthetic substance used to kill pests D. A natural substance used to increase crop yield

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Science Practice Quiz 231