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In woody trees, the exchange of gasses b...

In woody trees, the exchange of gasses between the outer atmosphere and the internal tissue of the stem takes place through

A

aerenchyma

B

Stomata

C

Pneumatophores

D

lenticels

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SARAS PUBLICATION-MODEL QUESTION PAPER 2-EXERCISE
  1. Placenta and pericarp are both edible portions in

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  2. Simple, cluster of radial leaves, stipulate and parallel venation leav...

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  3. In woody trees, the exchange of gasses between the outer atmosphere an...

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  4. The ciliated columnar epithelial cells in humans are known to occur in...

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  5. What is true about ribosomes?

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  6. Which structures perform the function of mitochondria in bacteria?

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  7. Which of the following hormones is a steroid?

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  8. The curve given below shows enzymatic activity with relation to three ...

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  9. The chiasmata is formed during which stage of prophase - I of the meio...

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  10. Phloem sap is mainly made of

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  11. Stomatal opening or closing is due to

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  12. Best defined function of manganese (Mn) in green plants is

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  13. Anoxygenic photosynthesisis characteristic of

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  14. Match the organic compounds list under column I with the explanation g...

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  15. Kreb's cycle takes place in

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  16. Which one of the following reactions is an example of oxidative decar...

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  17. Phototropic curvature is the result of uneven distribution of

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  18. The initial step inthe digestion of milk in humans is carried out by?

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  19. If for some reason our goblet cells are non-functional this will adver...

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  20. After forceful inspiration, the amount of air that can be breathed out...

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