MCQ
Characteristic features such as four-chambered heart, feather and pneumatic bone is applicable to the class of vertebrate
- ACyclostomata
- ✓Aves
- CReptilia
- DMammals
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$I.$ Occurs between $G_1$ and $G_2$
$II.$ $DNA$ replication begins in the nucleus
$III.$ Centrioles duplicate in the cytoplasm
$IV.$ As $DNA$ s doubled, number of chromosomes also doubles Option are
| Column $I$ | Column $II$ |
| $A$. Centrioles |
$I$. Non-membrane bound organelle Which helps in cell division |
| $B$. Fimbriae |
$II$. Special structure of bacteria which help them to attach with rocks in |
| $C$. Endomembrane |
$III$. Includes those organelles system whose functions are coordinated |
| $D$. Mitochondria |
$IV$. Divide by fission and site of aerobic respiration |
$\begin{array}{|l|l|} \hline Column\;-\;I & Column\;-\;II \\ \hline A.\;Caecum\;in\;earthworm & 1.\;Tubular \\ \hline B.\;Caecum\;in\;cockroach & 2.\;Forgut \\ \hline C.\;Gizzard\;in\;earthworm & 3.\;26^{th}\;segment \\ \hline D.\;Gizzard\;in\;cockroach & 4.\;8-9\;segment \\ \hline \end{array}$