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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$R -$ Plasma membrane of a cell is selectively permeable.
| Column $I$ | Column $II$ |
| ($a$) Aptenodytes | ($i$) Flying fox |
| ($b$) Pteropus | ($ii$) Angel fish |
| ($c$) Pterophyllum | ($iii$) Lamprey |
| ($d$) Petromyzon | ($iv$) Penguin |
$(i)$ Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
$(ii)$ Three different genera such as Solanum, Datura and Petunia are placed in the family malvaceae.
$(iii)$ In case of plants, classes with a few similar characters are assigned to a higher category called phylum.
$I.$ In golgi complex, the cisternae have cis face and trans face
$II.$ The cis face and trans face of Golgi complex are called forming face and maturing face respectively