Crop Production and Management Test - 6

Microorganisms may be single - celled like bacteria, some algae and protozoa, or multicellular, such as many algae and fungi. Hence, D is the correct answer.

Microorganisms are classified into five major groups. These groups are bacteria, fungi, protozoa, virus and some algae. Hence, B is the correct answer.

There are living organisms around us, which we normally cannot see. These are called microorganisms or microbes. Hence, A is the correct answer.

Harvesting of crops is the cutting of crops after they are mature. Therefore, microorganisms are not used in the process of harvesting. Hence, D is the correct answer.

Viruses are quite different from other microorganisms. They reproduce only inside the host organism: bacterium, plant or animal cell. Hence, C is the correct answer

The growth of undesirable plants is called weed. The process of removing it is called weeding.

Hence Option B is correct.

Groundnut is a kharif crop which requires heavy rainfall and warm. Moist climate.

Hence Option A is correct.

Urea and ammonia are necessary to feed the plants with required nutrients.

Hence, they are Fertilizers.

So, Option B is correct.

The pulley, chain pump, dhekli are traditional tools for irrigation.

Hence, option D is correct

Wheat, gram, Mustard, Linseed are rabi crops.

Paddy, Soybean, groundnut are Kharif crops.

Hence, Option C is correct