The Nervous System and Sense Organs — Biology STD 10 — Question

If you donate one kidney to a needy patient, would it cause any harm to you? Give reason.

Name the following:
The peripheral matter of spinal nerve.

Explain the Term
Lenticel

What is the nature of the image that forms on the retina?

Given below is an example of a certain structure and its special functional activity:

chloroplasts and photosynthesis

In a similar way, write the functional activity against each of the following:

Xylem and ...................................

Give Technical Term:
The nitrogenous wastes produced in man.

State the Function:
Cornea

Complete the following statement choosing the correct alternative:
Penicillin obtained from a fungus is an ______.(antiseptic, antibiotic)

State the Function: Bicuspid valve

Name the Following :
The twins developed when a single fertilised egg gets split and separated into two parts during the early stages of division.