MCQ
Zygotic meiosis takes place in
- ASelaginella
- ✓Spirogyra
- CPinus
- DBrassica
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Thus, $C O_{2}$ is trapped as ...$C$... at the tissue level and transported to alveoli is released out as ...$D$...
Select the right choice for $A, B, C$ and $D$ to complete the given $NCERT$ statement

$R$ - Cellulose is important component of plant cell wall
$(i)$ The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.
$(ii)$ ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen.
$(iii)$ Ribosomes are involved in protein synthesis.
$(iv)$ Mitochondria help in oxidative phosphorylation and generation of $ATP$.
| $A$ | Boron | $i.$ | Splitting of $\text{H2o}$ to liberate $o_2$ during photosynthesis. |
| $B$ | Mamganese | $ii.$ | Needed for synthesis of auxins. |
| $C$ | Molybdenum | $iii.$ | Component of nitrogenase. |
| $D$ | Zinc | $iv.$ | Pollen germinnation. |
| $E$ | Iron | $v.$ | Component of ferredoxin. |