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When you hold your breath, which of the ...

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe

A

rising CO2 concentration

B

falling CO2 concentration

C

rising CO2 and falling 0 2 concentration

D

falling 0 2 concentration

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TRUEMAN BIOLOGY-AIPMT-(2015)(conducted by CBSE)(solved paper-MCQs
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  2. Blood pressure in the mammlian aorta is maximum during

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  3. When you hold your breath, which of the following gas changes in blood...

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  4. Vasscular bundles in monocotyledons are considered closed because

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  5. Male gametes are flagellated in 1. Anabaena 2. Ectocarpus 3. Spi...

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  6. Which one of the following may require pollinators but is genetically ...

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  7. In ginger , vegetative propagation occurs through :

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  8. Which one of the following is not an inclusion body found in prokaryot...

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  9. A somatic cell that has just completed the S-phase of its cell cycle, ...

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  10. Alleles are

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  11. Select the correct matching in the following pairs:

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  12. The terga, sterna and pleura of cockroach body are joined by

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  13. Which of the following represents the cor- rect combination without an...

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  14. Which one of the following statements in incorrect?

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  15. Which of the following regions of the brain is incorrectly paired with...

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  16. Which one of the following statements is not true

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  17. The active form of Entamoeba histolytica feeds upon

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  18. Which of the following viruses is not transferred through semen of an ...

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  19. A population will not exist in Hardy-Weinberg equilibrium if

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  20. The guts of cow and buffalo possess

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