MCQ
The expiratory reserve volume will be
- ✓$1000\; mL$
- B$2000\; mL$
- C$4000\; mL$
- D$5000\; mL$
Vital capacity $=4000\; mL$
Total lung capacity $=5000\; mL$
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$I.$ Cytokinins especially help in delaying senescence.
$II.$ Auxins are involved in regulating apical dominance.
$III.$ Ethylene is especially useful in enhancing seed germination.
Gibberellins are responsible for immature falling of leaves
($i$) It is made of a single thin layer of flattened cells with irregular boundaries.
($ii$) They are found in the walls of blood vessels and air sacs of lungs.
($iii$) They are involved in functions like forming a diffusion boundary. Which of the following characteristics of tissue is being described by the above statements?