MEDIUM
9th West Bengal Board
IMPORTANT
Earn 100

Mention three importances of excretion.

Important Questions on Excretion

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 3
What do you mean by excretory system? Name the main excretory organ in human body.
HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 4
Write three differences between excretion in plants and animals.
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 5
Describe the processes of excretion in plants.
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 6
How are the nitrogenous waste materials excreted through kidney in human body?
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 4
What are the functions of human kidney?
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 5
Name the nitrogenous excretory products formed and eliminated from the human body. Write briefly how nitrogenous excretory products are eliminated through the kidney in man.
HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 6
What are the differences between excretion in plants and animals?
HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 12 - Excretion>EXERCISE>Q 7
What is excretory substance? Where is urea in urine formed? Write the role of lungs and skin in human excretion.