(English Medium) ICSE Class 10 - CISCE Important Questions for Biology

Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.

Renal cortex and Renal medulla [Parts of the nephrons present]

Mention the exact location of the Myelin sheath

Mention the exact location of the Islets of Langerhans

Briefly explain the following terms : Reflex action

Briefly explain the following terms: Synapse

Draw neat and labelled diagrams of a myelinated neuron

Identify the odd one in each set : Cyton, Photon, Axon, Dendron

Which of the following is not a natural reflex action?

A. Knee-jerk

B. Blinking of eyes due to strong light

C. Salivation at the sight of food

D. Sneezing when any irritant enters the nose

Differentiate between Spinal nerves and Cranial nerves (number of nerves).

The diagram given below is a representation of a certain phenomenon pertaining to the nervous system. Study the diagram and answer the following questions:

(i) Name the phenomenon which is being depicted.
(ii) Give the technical term for the point of contact between the two nerve cells.
(iii) Name the parts 1, 2, 3, and 4.
(iv) Write the functions of parts 5 and 6
(v) How does the arrangement of neurons in the spinal cord differ from that of the brain?

Name the following :

The layer of the eyeball that forms the transparent Cornea

The number of Spinal nerves in a human being are :

(A) 31 pairs

(B) 10 pairs

(C) 21 pairs

(D) 30 pairs

Aqueous humour is present between the :

(A) Lens and Retina

(B) Iris and Lens

(C) Cornea and Iris

(D) Cornea and Lens

Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:

Dendrites, Medullary sheath, Axon, Spinal cord

Mention the exact location of Epididymis

Mention the exact location of the Lacrimal gland

Mention the exact location of Malleus

Mention the exact location of Hydathodes

The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions:

1) Name the phenomenon that is depicted in the diagram. Define the phenomenon.

2) Give the technical term for the point of contact between the two nerve cells.

3) Name the parts numbered 1, 2 and 3.

4) How does the arrangement of neurons in the spinal cord differ from that of the brain?

5) Mention two ways by which the spinal cord is protected in our body.