MCQ
The enzyme required for the $CO_2$ fixation in the $C_4$ cycle is
- ✓$PEP$ carboxylase
- B$RuBP$ oxygenase
- C$RuBP$ carboxylase
- D$PGA$ dehydrogenase
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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
Statement $I:$
DNA polymerases catalyse polymerisation only in one direction, that is $5^{\prime} \rightarrow 3^{\prime}$
Statement $II:$
During replication of $DNA$, on one strand the replication is continuous while on other strand it is discontinuous.
In the light of the above statements, choose the correct answer from the options given below :
