MCQ
$C_4$ plants are less efficient at low temperature due to
- ALow $O_2$ affinity of $PEP$case
- ✓Cold sensitivity of $PEP$ synthetase enzyme
- CReduced rate of decarboxylation of organic acids
- DHigh energy requirement for $CO_2$ fixation
✓
Answer
Correct option: B.
Cold sensitivity of $PEP$ synthetase enzyme
b
$\therefore$ Optimum temp. is $30 -40°C$
$\therefore$ Optimum temp. is $30 -40°C$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$C_4$ plants are adapted to
→Identify $A, B$ and $C$ in the given diagram
→$FADH_2$ is produced during the following reaction
→$A$ : Seeds do not sprout when $ABA$ is overcome by Gibberellins.
$R$ : $GA$ inhibits protein and $RNA$ synthesis.
→$R$ : $GA$ inhibits protein and $RNA$ synthesis.
Which does not apply to anaerobic respiration
Some vascular bundles are described as open because these:
Match the following columns
→|
Column $-I$ |
Column $-II$ |
|
$A.$ Light reaction |
$1.$ Membranous system |
|
$B.$ Dark reaction |
$2.$ $NADPH$ and $ATP$ product |
|
|
$3.$ Starch |
$A - B$
Which of the following key factors, makes plasmid, the vector in genetic engineering?
How many substrate based $ATPs$ are formed if one molecule of amino acid oxidized by Amphibolic pathway
→Photosynthesis takes place