MCQ
Laticiferous vessels are found in
- AXylem tissue
- BPhloem tissue
- ✓Cortex
- DNone of the above
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$(a)$ The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea
$(b)$ Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin
$(c)$ Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves
$(d)$Rhizophora shows vertically upward growing roots that help to get oxygen for respiration
$(e)$ Subaerially growing stems in grasses and strawberry help in vegetative propagation
Choose the correct answer from the options given below:
| List $I$ | List $I$ |
| $A$ $P$ wave | $I$ Heart muscles are electrically silent. |
| $B$ $QRS$ complex | $II$ Depolarisation of ventricles. |
| $C$ $T$ wave | $III$ Depolarisation of atria. |
| $D$ $T-P$ gap | $IV$ Repolarisation of ventricles. |
Choose the correct answer from the options given below :