
Draw the structure of a DNA molecule.

Important Questions on Self Practice Model Test Paper- 9
The following diagram shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
Label the parts 1 to 5.

The following diagram shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
Using arrows in the diagram indicate the direction in which an impulse enters and leaves the spinal cord.

The following diagram shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
What is a synapse?

The following diagram shows the internal structure of the spinal cord, depicting a simple reflex. Study the same and then answer the questions that follow:
What is meant by simple reflex ? Give 2 examples of a simple reflex.


Define the following term :
Genetics.

Define the following term :
Bleeding.

Define the following term :
Photosynthesis.
