Biology

Improvement in Food Resources

Question:

Fill In the Blanks :
Bos indicus are the species of ________.

Answer:

Indian cows
previuos
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Improvement in Food Resources

Q 1.

Out of manures and fertilizers, which one is nutrient specific?

Q 2.

What is the full form of IARI?

Q 3.

What are draught animals?

Q 4.

Give examples of commonly used irrigation systems in our country?

Q 5.

What are the desirable agronomic characteristics for crop improvement?

Q 6.

What are fertilizers? Give two examples.

Q 7.

Fertilizers are useful for short term benefits or long-term benefits?

Q 8.

Based on kinds of biological material used, how many types of manures are there?

Q 9.

Name some pulses that give us proteins.

Q 10.

Give examples of oilseeds that provide us fats.

Q 11.

Name the nutrients that plants take from air?

Q 12.

Fill In the Blanks :
Unwanted plants in the cultivated field are called ________.

Q 13.

What are Macro-nutrients?

Q 14.

Fill In the Blanks :
Bos indicus are the species of ________.

Q 15.

Fill In the Blanks :
Organic substances of animal or plant origin that is added to the soil to increase its fertility and structure are called _____.

Q 16.

From where do plants acquire the following nutrients?

(i) Nitrogen
(ii) Hydrogen

Q 17.

Manures are useful for short term benefits or long-term benefits?

Q 18.

Fill In the Blanks :
Cattle used for farm labour is called ______.

Q 19.

List the nutrients that plants absorb from soil.

Q 20.

What is lodging?

Q 21.

What are milch animals?

Q 22.

Give examples of cereals that give us carbohydrates.

Q 23.

Fill In the Blanks :
Red Sindhi and Sahiwal are breeds of _____ _______.

Q 24.

Name the revolution which led to better and efficient production and availability of milk.

Q 25.

What is organic farming?

Q 26.

What are manures?

Q 27.

What is vermicompost?

Q 28.

Fill In the Blanks :
Nutrients required by plants in large quantities are called ________.

Q 29.

What are the major sources of food? Name the commercial practices we perform to obtain the food.

Q 30.

Fill In the Blanks :
Crossing between genetically dissimilar plants is called _________.

Q 31.

Name the biotic factors that affect on crop production.

Q 32.

What is the most common source of irrigation in India?

Q 33.

Fill In the Blanks :
_______ and _________ are a rich source of vitamins and minerals.

Q 34.

Fill In the Blanks :
In order to get maximum returns, different crop combinations are grown on the same field in a pre-planned succession. This process is called _______.

Q 35.

Give examples of fodder crops.

Q 36.

Give examples of fumigants.

Q 37.

Fill In the Blanks :
Vitamin ___ and ____ (A, B, C, D , K) levels are kept high in the poultry feeds.

Q 38.

Fill In the Blanks :
Xanthium, Cyperinus rotundus and Parthenium plants generally grow along paddy plants. Such plants are called ____.

Q 39.

What is broiler?

Q 40.

What is the full form of NPK?

Q 41.

Fill In the Blanks :
_______ and ________ are the main sources of nutrient supply to crops.

Q 42.

Fill In the Blanks :
__________ and _________ provide us with all our animal and plant food.

Q 43.

List the seven micro-nutrients taken by plants?

Q 44.

Name the two common weeds of wheat and rice crop.

Q 45.

Give examples of two major weeds that grow during Kharif season.

Q 46.

Fill In the Blanks :
The science of growing vegetables, fruits and ornamental plants is called _________.

Q 47.

Define inter-cropping.

Q 48.

Give examples of inter-cropping.

Q 49.

Fill In the Blanks :
The practice of growing two or more crops simultaneously on the same field is called _____.

Q 50.

What is domestication?