CBSE Class 11 Biology Respiration in Plants Quiz 1

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CBSE › Class 11 › Biology › Respiration in Plants

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1. R. Q is ratio of

A CO produced to substarate consumed B CO produced to O C oxygen consumed to CO produced D oxygen consumed to water produced

2. Angiosperm pollen is generally released at the

A 1 – celled stage B 2 – celled stage C 3 – celled stage D male gamete formation stage

3. The complete oxidation of pyruvate take place in

A cell cytoplasm B inner mitochondrial membrane C mitochondrial matrix D nucleus

4. Which enzyme catalyses the reaction below? Pyruvic acid → Carbon dioxide + Ethanol

A Pyruvic acid decarboxylase B Alcohol dehydrogenase C None of these D Both of these

5. TCA cycle was discovered by

A Otto Meyerhof B Hans Kreb C Gustav Embden D All of these

6. Which one of the following describes the spikelet of a cereal or grass plant

A inferior ovary B dehiscent fruit C pair of glumes D fused calyx

7. Malacophily means

A pollination by wind B pollination by water C pollination by insects D pollination by snails

8. Herkogamy is a contrivance for

A allogamy B autogamy C chasmogamy D cleistogamy

9. Out of 36 ATP molecules produced per glucose molecule during respiration

A 2 are produced outside glycolysis and 34 during repiratory chain B 2 are produced outside mitochondria and 34 inside the mitochondria C all the formed inside mitochondria D 2 during glycolysis and 34 during kreds cycle

10. Complete the reaction. _________ + O→ CO+ _______ + Energy

A CHO, 2HO B CHO, 6HO C CHO, 6HO D CHO, 11HO

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