Crop Production Management

Q.

Keeping crop grains for long time under proper conditions is called _____________.

Q. The undesirable plants that grow along with crops are known as:

1. Whines
2. Grass
3. Asparagus
4. Weeds

Q. In which of the following irrigation system, water is allowed to flow through a rotating nozzle?

1. Drain system
2. Rotating system
3. Drip system
4. Sprinkler system

Q.

Observe the picture below. A farmer in Kerala is watering his paddy field using an instrument called 'Chakram'. So, supplying water to the growing crops is called _____ .

Krishikaran with his Chakram

1. Irrigation

2. Rearing

3. Hybridization

4. Watering

Q.

In the image below, a man is seen removing unwanted plants from his paddy field using a small tool. What are those unwanted plants called?

1. Weeds

2. Scrap

3. Unnamed plants

4. Alternate crop

Q.

Fertigation is:

1. Sprinkler irrigation system

2. River life system

3. River valley system

4. Applying fertilizers through drip irrigation

Q. Superior quality plantlets are produced in ____.

1. grafting
2. cutting
3. mound layering
4. air layering

Q.

An abiotic factor which affects crop production is:

1. Temperature

2. Pests

3. Diseases

4. None of these

Q.

In the image below, a rat can be seen eating the harvest in a field. Similary many biotic factors cause loss of stored grains. Choose the correct options for the biotic factors that cause crop storage losses.

Harvest mouse

1. Water logging and insects

2. Drought, salinity, and diseases

3. Both A and B

4. None of these

Q.

What are weeds? Why should they be removed in early stages of crop growth ?

Q.

A crop needs to be protected from rodents like rats, fungi and bacteria. They affect the stored grains and are called the _________ factors.

1. biotic

2. abiotic

3. physical

4. chemical

Q.

In which method is a cut-out part of a plant grafted on another plant?

1. Layering

2. Grafting

3. Budding

4. Tissue culture