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9th CBSE
IMPORTANT
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Number of gill slits in bony fishes is usually:

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Important Questions on Diversity in Living Organisms

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9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 91
Which of the following bony fishes has a brood pouch?
MEDIUM
9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 92
Labeo (rohu), a bony fish, is characterized by:
EASY
9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 93

Select the option with the correct sequence of labellings A, B, C and D in the following diagram of Labeo rohita (rohu fish):

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9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 94

Identify the labelling E in the figure of rohu: 

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EASY
9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 95
Which labelling acts as gill cover in the figure of Rohu?

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9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 96

Which of the following acts as steering organ of fishes during swimming?

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9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 97
Bony fishes can stay in water at any depth due to the presence of a Hydrostatic organ called:
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9th CBSE
IMPORTANT
MODERN's abc+ OF SCIENCE BIOLOGY For Class IX>Chapter 4 - Diversity in Living Organisms>Revision Exercises On Practical Skills (with Answers)>Q 98
Salamanders, frogs, toads and caecilians belong to class: