What might happen if the plants stop releasing oxygen into the atmosphere?
Plants will be more healthier
Number of plants will increase
Number of animals will increase
Animals will die from the lack of oxygen
Which one of the following are used to protect crops from pests and insects?
Water
Minerals
Glucose
Pesticides
Watering and manuring are necessary for the growth of
crops
human beings
animals
algae
The legs of frog are webbed . This helps the frog to
catch flies easily
swim in water
jump to greater heights
stick to walls
Which one of the following is the most important function of hair in animals?
it helps in regulating the body temperature
it is used to attract members of opposite sex
it is used for defense and camouflage
it is dead and is of no particular use
Plants and animals help in maintaining the balance of
trees and animals
oxygen and carbon dioxide
green plants and plant eaters
water and minerals
Which one of the following steps should NOT be taken in the care of domestic animals?
They should be kept in clean shelters
They should be given clean drinking water
They should be given pesticides when infected with disease
They should be given proper food at fixed intervals of time.
Our national bird is
crow
peacock
sparrow
parrot
Which one of the following characteristics will NOT be an advantage to the animals living in the ocean?
A smooth body
Water filtering structures
Long body hair
Presence of webbed feet
Forests help
to prevent diseases
to prevent rainfall
in soil erosion
to prevent floods
