Geeta Negi Solutions for Chapter: Our Environment, Exercise 2: EXERCISE - 5B

Author:Geeta Negi

Geeta Negi Biology Solutions for Exercise - Geeta Negi Solutions for Chapter: Our Environment, Exercise 2: EXERCISE - 5B

Attempt the free practice questions on Chapter 5: Our Environment, Exercise 2: EXERCISE - 5B with hints and solutions to strengthen your understanding. CORE SCIENCE BIOLOGY For Class 10 solutions are prepared by Experienced Embibe Experts.

Questions from Geeta Negi Solutions for Chapter: Our Environment, Exercise 2: EXERCISE - 5B with Hints & Solutions

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 1

Depletion of ozone occurs mainly due to

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 2

Ozone is formed from oxygen by the action of

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 3

Excessive exposure of humans to UV - rays results in
(i) damage to immune system (ii) damage to lungs (iii) skin cancer (iv) peptic ulcers

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 4

Disposable plastic plates should not be used because

EASY
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 5

Which chemical is responsible for ozone layer depletion?

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 2

In which year of 16th September, Montreal Protocol started?

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 2

How is ozone layer formed in the atmosphere? What is the function of this layer?

MEDIUM
10th CBSE
IMPORTANT
CORE SCIENCE BIOLOGY For Class 10>Chapter 5 - Our Environment>EXERCISE - 5B>Q 3

How do human activities affect the environment? Give some eco-friendly measures to protect the environment.