Q.1: When plants of same kind are grown and cultivated at one place on a large scale, it is known as ________.
Q.2: The process of loosening and turning of soil is known as ______.
Q.3: ______ is a simple tool used to remove weeds and for loosening of soil.
Q.4: The main part of the plough is known as ______.
Q.5: Insufficient manuring results in ______ plants.
Q.6: _______ is a tool which sows seeds uniformly at proper distances and depths.
a) seed drill
b) seed sower
c) seed mower
Q.7: Why is it important to sow seeds at appropriate distance ?
a) to save money
b) to avoid using manure
c) to avoid overcrowding of seeds
Q.8: The time and frequency of _____ varies from crop to crop.
Q.9: Which of these is not a source of irrigation ?
Q.10: Plants contain nearly ____% of water.
Q.11: _________ system is useful for sandy soil.
Q.12: Neha lives in a village where water availability is scarce. Which irrigation method would you suggest for her ?
Q.13: ______ is a combination of harvester and thresher.
Q.14: Why are the grains dried in sun before storing ?
a) to reduce moisture
b) to warm them
Q.15: Dried _____ leaves are used for storing food grains at home.