MCQ
The head capsule of a cockroach is made of:
- AFour segments.
- BFive segments.
- ✓Six segments.
- DOne segment.
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$R$ : Bats and whales show echolocation and four chambered heart.
| List $I$ (Sub Phases of Prophase $I$) | List $II$ |
| $A.$ Diakinesis | $I.$ Synaptonemal complex formation |
| $B.$ Pachytene | $II.$ Completion of terminalisation of chiasmata |
| $C.$ Zygotene | $III.$ Chromosomes look like thin threads |
| $C.$ Leptotene | $IV.$ Appearance of recombination nodules |
Choose the correct answer from the options given below