Leaf base is present above the petiole.

Consider the following morphological biochemical or physiological characteristics of plants.

$\mathrm{i}.$ Presence of hairy leaves $\mathrm{ii}$$.$ Production of more nectar is flower
$\mathrm{iii}.$. High sugar content in plant parts $\mathrm{iv}.$ Presence of higher aspartic acid concentration.

Choose the correct combination of statements which give natural resistance to plants against insect pests:

Label the parts X and Y in the given image.

Draw a diagram of a leaf and label the following parts.

(i) Petiole

(ii) Base of leaf lamina

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$

Study the following lists:

The correct match is

The leaf base is swollen to form __A__ in some __B__.