Food Production...

Which of the following can be provided to the soil by the use of chemical fertilisers?

a. Phosphorus
b. Nitrogen
c. Humus
d. Potassium

Which of the following statements is/are false?

a. Loose soil allows the plant roots to penetrate freely and deeper into the soil.
b. The sowing of rabi crops begins at the beginning of June - July.
c. Levelling of fields prevents the top fertile soil from being carried away by strong winds.

Which of the following is a property of manure?

Which of the following is not a weed that is found in wheat and rice fields?

The poisonous chemicals used to kill weeds are called weedicides. Which of the following is/are not weedicides?

a. 2,4-D
b. NPK
c. Butachlor

Which of the following statements correctly defines 'White Leghorn'?

Which of the following statements properly defines 'broiler'?

How can we control pests that attack the stored grains?

a. Spraying insecticides over grains
b. Converting insecticide solution into fumes to kill the insects
c. Mixing neem kernel powder along with grains

The practice of culturing marine fish is called

Beehives are a source of