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9th West Bengal Board
IMPORTANT
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The mammary gland in a mammal is a modified gland.

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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 1
What are the common function of the canal system in sponges?
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
Mention two differences between Cnidaria and Ctenophora.
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
What is a comb plate? Where is it found?
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 4
What will be the harmful effects of tape worm or round worm infects human body?
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 5
Why is Annelida called so?
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
In which groups of animals notochord is persistent throughout life?
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 class of animals that are included in Gnathostomata.
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.