Question 4 :
Vaccine is a preparation consisting of a weak or killed pathogen to induce resistance against a particular disease.
Question 8 :
Click and choose the correct answer.<br>Fields have to be regularly _________ according to the needs of crops.
Question 9 :
Click and choose the correct answer.<br>The soil is prepared by loosening and turning it. This process is called _________.
Question 11 :
Click and choose the correct answer.<br>The excessive use of _________ affects the salinity of soil and causes water and soil pollution.
Question 12 :
Click and choose the correct option.<br>The ___________ refers to a series of research and development and technology transfer programmes that took place between 1940s to 1960s.
Question 13 :
Click and choose the correct option.<br>The rearing, breeding and management of fishes on a large scale is called __________.
Question 14 :
Click and choose the correct answer.<br>The place where bees are cultured and bred to get commercial products is called ______.
Question 15 :
Click and choose the correct answer.<br>The care, breeding and management of honeybees is called __________.
Question 16 :
Click and choose the correct option.<br>The excessive use of __________ affects the salinity of soil and causes water and soil pollution.
Question 17 :
Click and choose the correct option.<br>Unwanted, wild and uncultivated plants are known as _________.
Question 18 :
Click and choose the correct option.<br>__________ were the first crops to be cultivated.
Question 19 :
Click and choose the correct option.<br>________ programme was started to make India one of the largest producers of milk in the world.
Question 20 :
Click and choose the correct option.<br>The process of raising crops in a field for food and other useful products is called _______________.
Question 21 :
Click and choose the correct answer.<br>All animals domesticated by human beings for their usefulness constitute _______.
Question 24 :
Click and choose the correct option.<br>All animals domesticated by human beings for their usefulness constitute ___________.
Question 28 :
The plants that grow on other plants in order to get sunlight are called:
Question 30 :
A group of plants native to a particular region constitutes the fauna