MEDIUM
9th West Bengal Board
IMPORTANT
Earn 100

Explain significant differences between Platyhelminthes and Aschelminthes.

Important Questions on Classification of Diversity of Life : Taxonomy

MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 5
Compare Osteichthyes and Chondrichthyes with one example of each.
EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 6
Mention the three most significant characteristics of phylum Chordata.
EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 7

Name the respective group of animals (phylum) where the following is found-

(a) Canal system, (b) Water vascular system, (c) Mantle.

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 8

Name the respective phylum/animal where the following structure is found-

(a) Nephridia, (b) Haemocoel, (c) Tube feet.

MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 1

In which respective phylum, the following structures are found?

(a) Collar cell (b) Cnidoblast cell (c) Colloblast cell (d) Nephridia (e) Mantle.

EASY
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 2
Compare diploblastic and triploblastic animal with one example of each.
MEDIUM
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 3
What is coelom? Compare it with pseudocoelom. Cite one example of each.
HARD
9th West Bengal Board
IMPORTANT
A TEXT BOOK OF LIFE SCIENCE AND ENVIRONMENT CLASS 9>Chapter 3 - Classification of Diversity of Life : Taxonomy>EXERCISE>Q 4
Show the outline classification of the animal kingdom by a chart only.