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Statement 1 : Respiration is most effici...

Statement 1 : Respiration is most efficient in the insects, among the invertebrates.
Statement 2 : In the insects, air is carried directly to the cells by tracheoles.

A

Both statement 1 and 2 correct.

B

Statement 1 is correct but statement 2 is incorrect.

C

Statement 1 is incorrect but statement 2 is correct.

D

Both statement 1 and 2 incorrect.

Text Solution

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The correct Answer is:
A
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NCERT FINGERTIPS-BREATHING AND EXCHANGE OF GASES-Breathing And Exchange Of Gases
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  3. Match column I with column II and select the correct option from the g...

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  4. Which structure of man is similar to spiracle of cockroach?

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  5. Which of the following option is incorrect about the larynx (sound box...

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  6. Which of the following structures close the glottis during swallowing ...

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  7. In man and mammals, air passes from outside into the lungs through

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  8. Study the given figure of respiratory passage carefully and identify t...

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  9. Mammalian lungs have an enormous number of minute alveoli (air sacs). ...

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  10. The given figure shows the diagrammatic view of human respiratory syst...

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  11. The given figures are of human larynx, front view (i) and vertical sec...

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  14. Given below is a list of different steps (i-vi) involved in respiratio...

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  16. Statement 1 : Mammals can eat while breathing. Statement 2 : Mammals...

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  17. The ventilation movements of the lungs in mammals are governed by

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  18. Fill up the blanks in the following paragraph by selecting the correct...

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