Question:
What is the most common source of irrigation in India?
Improvement in Food Resources
Q 1.
What are fertilizers? Give two examples.
Q 2.
Name some pulses that give us proteins.
Q 3.
Based on kinds of biological material used, how many types of manures are there?
Q 4.
What are draught animals?
Q 5.
Give examples of commonly used irrigation systems in our country?
Q 6.
What is the full form of IARI?
Q 7.
Out of manures and fertilizers, which one is nutrient specific?
Q 8.
What are Macro-nutrients?
Q 9.
From where do plants acquire the following nutrients?
(i) Nitrogen
(ii) Hydrogen
Q 10.
Fertilizers are useful for short term benefits or long-term benefits?
Q 11.
What are milch animals?
Q 12.
Manures are useful for short term benefits or long-term benefits?
Q 13.
Fill In the Blanks :
_______ and _________ are a rich source of vitamins and minerals.
Q 14.
Fill In the Blanks :
Marine fish capture is done by fishing nets guided by _______ and ________.
Q 15.
Give examples of mixed cropping?
Q 16.
Give examples of fumigants.
Q 17.
Fill In the Blanks :
Crossing between genetically dissimilar plants is called _________.
Q 18.
Name the nutrients that plants take from air?
Q 19.
Give examples of oilseeds that provide us fats.
Q 20.
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 21.
What is domestication?
Q 22.
What is organic farming?
Q 24.
Give examples of two major weeds that grow during Kharif season.
Q 25.
Fill In the Blanks :
__________ and _________ provide us with all our animal and plant food.
Q 26.
Give examples of Pesticides
Q 27.
Fill In the Blanks :
_______ and ________ are the main sources of nutrient supply to crops.
Q 28.
Fill In the Blanks :
Composting done using earthworms is called _________.
Q 29.
What is vermicompost?
Q 30.
What is mixed cropping?
Q 31.
Give examples of cereals that give us carbohydrates.
Q 32.
What are the desirable agronomic characteristics for crop improvement?
Q 33.
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 34.
Fill In the Blanks :
The basic advantages of inter-cropping are that it maintains soil _____ and controls _____.
Q 35.
Fill In the Blanks :
Red Sindhi and Sahiwal are breeds of _____ _______.
Q 36.
Name the programmes executed in India to increase food production.
Q 37.
List examples of Macro-nutrients for plants?
Q 39.
Fill In the Blanks :
Bos indicus are the species of ________.
Q 40.
Name the revolution which led to better and efficient production and availability of milk.
Q 41.
Fill In the Blanks :
Nutrients required by plants in large quantities are called ________.
Q 42.
Fill In the Blanks :
Vitamin ___ and ____ (A, B, C, D , K) levels are kept high in the poultry feeds.
Q 43.
Define animal husbandry.
Q 44.
Give examples of fodder crops.
Q 45.
Name the two common weeds of wheat and rice crop.
Q 46.
Fill In the Blanks :
The practice of growing two or more crops simultaneously on the same field is called _____.
Q 47.
Fill In the Blanks :
Xanthium, Cyperinus rotundus and Parthenium plants generally grow along paddy plants. Such plants are called ____.
Q 48.
What are the major sources of food? Name the commercial practices we perform to obtain the food.
Q 50.
What is the most common source of irrigation in India?