MCQ
Proteins consist of
- ACarbon, hydrogen, chlorine, sulphur
- ✓Carbon, hydrogen, oxygen, nitrogen
- CCarbon, manganese, phosphorus, nitrogen
- DCarbon, iodine, oxygen and inorganic phosphate
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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
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