Question

class9 CBSE
chapter 5 The Fundamental Units Of Life...
1. what is plasmolysis ?
2. write any two parts of compound microscope .

please give me answers......

Good Night Friends.....​

Answer 1

Answer:

1. contraction of the protoplast of a plant cell as a result of loss of water from the cell.

2. The three basic, structural components of a compound microscope are the head, base and arm.

The three basic, structural components of a compound microscope are the head, base and arm.Head/Body houses the optical parts in the upper part of the microscope.

The three basic, structural components of a compound microscope are the head, base and arm.Head/Body houses the optical parts in the upper part of the microscope.Base of the microscope supports the microscope and houses the illuminator.

The three basic, structural components of a compound microscope are the head, base and arm.Head/Body houses the optical parts in the upper part of the microscope.Base of the microscope supports the microscope and houses the illuminator.Arm connects to the base and supports the microscope head.

Answer 2

Answer:

1) Plasmolysis is the process in which cells lose water in a hypertonic solution. The reverse process, deplasmolysis or cytolysis, can occur if the cell is in a hypotonic solution resulting in a lower external osmotic pressure and a net flow of water into the cell.