HARD
7th CBSE
IMPORTANT
Earn 100

The polar regions present an extreme climate. These regions are covered with snow and it is very cold for the most part of the year. For six months the sun does not set at the poles while for the other six months the sun does not rise. Plants that live in the Polar regions have needle-shaped leaves that prevent water loss through transpiration, they are generally cone-shaped trees so that the snow slides off.

Question Image

If the trees have broad leaves at the time of snowfall season, what will happen?

Important Questions on Weather, Climate and Adaptations of Animals to Climate

HARD
7th CBSE
IMPORTANT

The polar regions present an extreme climate. These regions are covered with snow and it is very cold for the most part of the year. For six months the sun does not set at the poles while for the other six months the sun does not rise. Plants that live in the Polar regions have needle-shaped leaves that prevent water loss through transpiration, they are generally cone-shaped trees so that the snow slides off.

Question Image

If the trees have broad leaves at the time of snowfall season, what will happen?

HARD
7th CBSE
IMPORTANT

Which of the following statements are incorrect regarding the given animals?

Question Image

(i) X possesses a streamlined body and webbed feet.
(ii) Both are good swimmers.
(iii) Y has a thick layer of fat under its skin with fur on its body, while X has thick skin and a layer of fat under its skin.
(iv) Both live together in large numbers and huddle together to keep themselves warm.
(v) Y has a very strong sense of smell, unlike X.

HARD
7th CBSE
IMPORTANT

Question Image

The above flow chart represents adaptation for the polar bear. Go through the flow chart and add necessary content for A,B, C and D.

HARD
7th CBSE
IMPORTANT

Camouflage is a type of colouration or pattern that helps some animals to blend in with their surroundings. It is an example of adaptation. It is used by many organisms to defend themselves from their predators. It increases the chance of survival of an organism in a particular habitat. If a rabbit lives in a Himalayan regions what colour will suit it most to hide from its predator? Explain your answer.

HARD
7th CBSE
IMPORTANT
What would happen to the seasons, sunrise, and sunset if the Earth’s axis had a tilt of 90°
HARD
7th CBSE
IMPORTANT
How does the special adaptation (feature) of this animal help it?
Ostrich Facts: The World
HARD
7th CBSE
IMPORTANT
If you leave a peepal leaf in water for 2–3 days, it decays but aquatic plants and their leaves remain healthy. Give reason.