STD 11 - 13. Plant growth and development — NEET STD 11 Science — Question

- It has the ability to concentrate its urine.

- It provide water requirements from its internal fat oxidation.

- It is present in American desert.

It is present in plant cell but absent in animal cell.

Oxalosuccinic acid, an intermediary compound of Krebs' cycle is a

Select the correct statements
a. Seeds are formed inside embryo sac
b. The cotyledons of the embryo are simple structures, generally thick and swollen due to storage of food reserves
c. Ploidy of perisperm and nucellus are not same
d. Many fruits have evolved mechanisms for dispersal of seeds

In pyruvic acid the number of carbons is

Choose the correct statement for the leaf:
i. In simple leaf, the lamina is not incised or incisions do not touch the midrib.
ii. In compound leaf, the lamina is divided into a number of leaflets.
iii. A bud is present in the axil of leaflets of the compound leaf, but not in the axil of both simple and compound leaves.
iv. In pinnately compound leaf, leaflets are present on a common axis, the rachis and it found in neem.
v. Palmately compound leaves, the leaflets are attached at a common point, i. e., at the tip of petiole, as in silk cotton.

Select the correct option for family Brassicaceae
a. Tetradynamous
b. Cruciform corolla
c. Replum
d. Glumes and Rachilla
e. Dimerous or Tetramerous flower

How pinus differs from mango ?

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?