EXERCISES

Author:N K Mishra & L C Saha

N K Mishra Biology Solutions for EXERCISES

Simple step-by-step solutions to EXERCISES questions of Our Environment from Foundation Science Biology. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from EXERCISES with Hints & Solutions

EASY
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 9

Construct a food web that has rabbits, plants, herbivorous insects, hawks, sparrows, wolves, spiders, frogs, and snakes.

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 11

How is ozone formed in the upper atmosphere? Why is damage to the ozone layer a cause of concern to us? What causes this damage?

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 1

All heterotrophs are consumers. How would you classify them?

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 2

Explain the flow and loss of energy in an ecosystem.

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 4

What is the ozone hole? How was it formed? What is being done to control it?

EASY
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 10

Where is the ozone layer found? What is the importance of ozone layer?

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 12

What are the problems caused by non-biodegradable wastes?

MEDIUM
10th CBSE
IMPORTANT
Foundation Science Biology>Chapter 8 - Our Environment>EXERCISES>Q 3

What is the biological magnification? Explain how the level of accumulation of harmful substances varies with trophic levels.