Name the class of animals that are included in Gnathostomata.

Important Questions on Classification of Diversity of Life : Taxonomy

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

Compare Cephalochordata and Vertebrata.

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 9

What are the differences between scales of fish and scales of reptiles?

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 10

What is the importance of water in the life cycle of Amphibia?

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

Mention the differences between the canal system and the water vascular system in animals.

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

Explain three significant characteristics of phylum Cnidaria with a suitable example.

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 3

Define segmentation. In which phylum segmentation is best observed?

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 4

Explain significant differences between Platyhelminthes and Aschelminthes.

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.