The water cavity present in the xylem of maize stem vascular bundles is

Identify the labelled parts $1, 2, 3, 4$ in the below figure.

Identify group of plants based on given anatomical characters in sequence.
$\mathrm{A})$ Bicollateral vascular bundles
$\mathrm{B})$ Bulliform cells
$\mathrm{C})$ Ring arrangement of vascular bundles

Answers respectively

The transverse section of a plant shows following anatomical features:

(a) Large number of scattered vascular bundles surrounded by bundle sheath
(b) Large conspicuous parenchymatous ground tissue
(c) Vascular bundles conjoint and closed
(d) Phloem parenchyma absent

Identify the category of plant and its part:

Read the following statements with respect to the dicot stem and select the correct option.

(a) Epidermis is covered with a thin layer of cuticle, may bear trichomes, and a few stomata.

(b) Ring arrangement of conjoint, collateral, and open vascular bundles. 

(c) Presence of semilunar patches of sclerenchyma above the phloem.

(d) Presence of conjunctive tissue between the xylem and the phloem.

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 $100\}$

Select the incorrect option with respect to the given anatomy of the plant part.

Read the following statements with respect to dicot stem and select the right choice.

i. The epidermis is covered with a thick layer of cuticle.
ii. The cells of endodermis are rich in starch grains.
iii. The pericycle is present on the inner side of endodermis and above the phloem in the form of semilunar patches of sclerenchyma.
iv. The vascular bundles are arranged in a ring.