Exercises
Author:Amarnath Mishra, Geeta Mehta, Deepti Lehri & Rajesh Mohan
Amarnath Mishra Science Solutions for Exercises
Simple step-by-step solutions to Exercises questions of Transport and Excretion from Basic Science For Class 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
MEDIUM
7th CBSE
IMPORTANT
What carries the water absorbed by the root to the leaves of a plant?
EASY
7th CBSE
IMPORTANT
Food is carried from the leaves by pipes formed by _____ tissue.
EASY
7th CBSE
IMPORTANT
The solution of water and minerals that moves upwards from the root is called _____.
EASY
7th CBSE
IMPORTANT
The rhythmic contraction and relaxation of the heart is called _____.
EASY
7th CBSE
IMPORTANT
A membrane that allows some substances to pass through but not others is called _____. (semi transparent/semipermeable)
EASY
7th CBSE
IMPORTANT
Stomata are present mostly on the _____ surface of leaves.
EASY
7th CBSE
IMPORTANT
The normal pulse rate is around
HARD
7th CBSE
IMPORTANT
Match the columns A and B.
| A | B | ||
|---|---|---|---|
| (a) | White blood cells | (i) | Protein that helps transport oxygen |
| (b) | Red blood cells | (ii) | Help in the clotting of blood |
| (c) | Platelets | (iii) | Look like discs |
| (d) | Plasma | (iv) | Carry blood to the heart |
| (e) | Arteries | (v) | Help fight infections |
| (f) | Veins | (vi) | The liquid part of blood |
| (g) | Haemoglobin | (vii) | Carry blood away from heart |
