Dr Yash Pal and Dr Joginder Singh Solutions for Chapter: Improvement in Food Resources, Exercise 3: Home/Class Assignment

Author:Dr Yash Pal & Dr Joginder Singh

Dr Yash Pal Biology Solutions for Exercise - Dr Yash Pal and Dr Joginder Singh Solutions for Chapter: Improvement in Food Resources, Exercise 3: Home/Class Assignment

Attempt the free practice questions on Chapter 6: Improvement in Food Resources, Exercise 3: Home/Class Assignment with hints and solutions to strengthen your understanding. Secondary Biology FIrst And Second Term of CLASS IX solutions are prepared by Experienced Embibe Experts.

Questions from Dr Yash Pal and Dr Joginder Singh Solutions for Chapter: Improvement in Food Resources, Exercise 3: Home/Class Assignment with Hints & Solutions

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 3

How do manures and fertilizers help in maintaining soil fertility?

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 4

Explain with the help of an example, how the excessive use of chemical fertilizers drastically alters the soil chemistry.

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 5

What is eutrophication?

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 6

What are the differences between manures and fertilizers?

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 7

What are the advantages of chemical fertilizers over manures?

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 8

What are the disadvantages of excessive use of chemical fertilizers?

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 9

What is meant by organic farming? What type of materials are used for organic farming?

MEDIUM
9th CBSE
IMPORTANT
Secondary Biology FIrst And Second Term of CLASS IX>Chapter 6 - Improvement in Food Resources>Home/Class Assignment>Q 10

Give the names of two green manures.