Photosynthesis — Biology STD 10 — Question

The chemical used to test starch:

Testes of humans are located:

Assertion (A): Cytokinins are plant hormones that promote cell division and growth.
Reason (R): Some important cytokinins in plants are kinetin, zeatin and coconut milk.

Water will be absorbed by the root hairs when :

Assertion (A): Guttation is the process by which plants release excess water in the form of droplets from the tips of their leaves.
Reason (R): Guttation occurs when the rate of transpiration is lower than the rate of water absorption by the roots.

In a leaf, the cell sap in each cell exerts a ___________ outward on the cell wall.

Ethylene is used for

A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?

The stress hormone in plants which functions during a drought is:

Who first contributed in coining the term " Auxin" ?