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.
A student identifies the following characteristics in an animal
The animal may be nest categorised under:
terrestrial animals
arboreal animals
reptiles
aquatic animals
The air we breathe out contains more
oxygen
carbon dioxide
water
chlorophyll
Kanha national park is situated in
Uttar pradesh
Andhra Pradesh
Madhya Pradesh
Himachal Pradesh
By observing the independence of plants and animals and circulation of oxygen and carbon dioxide we can say that
some day all the oxygen will be used up by the animals
some day all the carbon dioxide will be used up by the plants
the amount of oxygen is increasing and that of carbon dioxide is decreasing in the atmosphere
the level of oxygen and carbon dioxide in the atmosphere is kept constant
The legs of frog are webbed . This helps the frog to
catch flies easily
swim in water
jump to greater heights
stick to walls
The feet of ducks are webbed. This adaptation helps them to
hold branches tightly
swim faster in water
float on water
eat insects and grab things
Which one of the following are used to protect crops from pests and insects?
Water
Minerals
Glucose
Pesticides
Forests help
to prevent diseases
to prevent rainfall
in soil erosion
to prevent floods
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