Thorns,spines and prickles work as . . . . . . in plants.
- ARespiratory organs
- BExcretory organs
- COrgans of offense
- DDefensive organs
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Similar Questions
Match the following columns:
Column-$I$ (Local Name) Column-$II$ (Scientific Name) $A$. China rose $i$. Bougainvillea spectabilis $B$. Lemon $ii$. Allium cepa $C$. Sunflower $iii$. Hibiscus rosa-sinensis $D$. Onion $iv$. Citrus limon $E$. Bougainvillea $v$. Helianthus annuus - $vi$. Rosa indica
| Column-$I$ (Local Name) | Column-$II$ (Scientific Name) |
| $A$. China rose | $i$. Bougainvillea spectabilis |
| $B$. Lemon | $ii$. Allium cepa |
| $C$. Sunflower | $iii$. Hibiscus rosa-sinensis |
| $D$. Onion | $iv$. Citrus limon |
| $E$. Bougainvillea | $v$. Helianthus annuus |
| - | $vi$. Rosa indica |
Easy
View SolutionIdentify $A$ to $E$ in the given diagram.
Medium
View SolutionChoose the correct option from the following:
$(i)$ Stilt roots are found in $Pothos$ / $Maize$.
$(ii)$ Alternate phyllotaxy is found in $China$ $rose$ / $Nerium$.
$(i)$ Stilt roots are found in $Pothos$ / $Maize$.
$(ii)$ Alternate phyllotaxy is found in $China$ $rose$ / $Nerium$.
Medium
View SolutionIn onion leaves, food is stored in the form of:
MediumAIPMT 1988
View Solution$A$: Cattle or goats never graze on $Calotropis$.
$R$: Thorns are present as a morphological means of defence.
$R$: Thorns are present as a morphological means of defence.
Medium
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