MCQ
The vector for sleeping sickness is:
- AHouse fly.
- ✓Tse$-$tse fly.
- CSand fly.
- DFruit fly.
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$I.$ The medulla is connected to the spinal cord
$II.$ Medulla contains controlling centres for respiration, cardiovascular reflexes and gastric secretion
$III.$ Cerebellum has very convoluted surface in order to provide the additional space for more neurons
$III.$ Enzyme catalyzing reaction that fixes $CO _{2}$ $IV.$ Presence of Calvin cycle
$V.$ Leaf anatomy
Which one does not differ in a $C_{3}$ and $C_{4}$-plants?
| Chromosomes | Position of centromere |
| $(A)$ Metacentric | $(1)$ At the tip |
| $(B)$ Submetacentric | $(2)$ Almost near the tip |
| $(C)$ Acrocentric | $(3)$ At the middle |
| $(D)$ Telocentric | $(4)$ Slightly away from the middle |