Food production

How does nitrogen help a plant grow

• Leaf growth
• Root growth
• Fruit growth

Which of the following is an advantage of inorganic fertilisers

• Keeps the soil healthy

• Cheaper compared to the same mass of natural fertilisers

• Does not cause pollution in rivers

• Never causes a build up of chemicals in the food we eat

What does a insecticide destroy

• Insects
• Unwanted plants
• Fungi

Can manure be used as fertilizer?

• No
• Yes

In order to obtain a higher yield, farmers must undertake various agricultural practices. Which is the first step in this process?

• Addition of manure
• Preparation of soil
• Harvesting
• Irrigation 

Rabi Crops are grown in _______ season

• Summer

• Spring

• Winter

• rainy

What is the study of producing, processing, preparing, and evaluating, and using food?

• Biology

• Food Science

• Prohibition

Which one is not a source of carbohydrates?

• Rice

• Millets

• Sorghum

• Gram

To solve the food problem of the country, which among the following is necessary?

• Increased production and storage of food grains

• Easy access of people to the food grain

• People should have money to purchase the grains

• All of the above

Nitrogen, phosphorus and potassium are examples of

• Micro-nutrients

• Macro-nutrients

• Fertilizers

• Both i and ii