Agricultural Science

It is not advisable to apply fresh farmyard manure because?

A. its heat of decomposition may cause scorching of plants B. some microorganisms in the manure may die C. the…

6 years ago

Mechanization is difficult to practice where the?

A. land is fragmented B. farmer is wealthy C. farm holding is large D. soil fertility is low Correct Answer:…

6 years ago

The greatest disadvantage of using a bulldozer in land clearing is that it?

A. removes the fertile top soil along with the vegetation B. makes the soil lose its texture C. allows the…

6 years ago

The best source of farm power for agricultural production is?

A. human power B. animal power C. mechanical power D. solar power Correct Answer: Option A A. human power

6 years ago

The removal of excess water from the sub-soil is known as?

A. irrigation B. drainage C. evaporations D. dehydration Correct Answer: Option B B. drainage

6 years ago

Which of the following statements indicate advantages of sub-surface irrigation?

I. Low operation cost once established II. Does not disturb the movement of implements III. Permits efficient use of water…

6 years ago

Chemical weathering is fastest in?

A. cool weather B. hot weather C. high altitudes D. low altitudes Correct Answer: Option A A. cool weather

6 years ago

Which of the following rocks is not formed from pre-existing rocks?

A. limestone B. granite C. shale D. marble Correct Answer: Option B B. granite

6 years ago

The following processes in soil formation are caused by biotic factors except?

A. bacterial decomposition of plants B. soil mixing and turning by earthworms C. burrowing of rodents D. soil disintegration by…

6 years ago

The natural grasslands of West Africa are generally located in the?

A. rain forest B. guinea savanna C. mangroves D. equatorial belts Correct Answer: Option B B. guinea savanna

6 years ago