Transportation in Animals and Plants — Science STD 7 — Question

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in:

Green plants use which of the following to prepare food?

Read the following statements with reference to the villi of small intestine.
(I) They have very thin walls.
(II) They have a network of thin and small blood vessels close to the surface.
(III) They have small pores through which food can easily pass.
(iv) They are finger-like projections.
Identify those statements which enable the villi to absorb digested food.

Which of the following features adapt penguins to live in extremely cold conditions?

Which of the following best describes image formation by a plane mirror?

The time taken by a pendulum to complete one oscillation is called:

The small balloon-like sacs in the lungs where gas exchange occurs are called:

Which of the following records the distance travelled by the vehicles?

In which of the following parts of human body are sweat glands absent?

What causes day and night on Earth?