English Medium इयत्ता १० - CBSE Question Bank Solutions for Science

What are the two parts of the vertebrate nervous system?

Name the three components of a neuron (or nerve cell).

 What are the short fibres of a neuron known as?

What is the long fibre of a neuron known as?

When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.  

If S is kept closed, will the pointer:

(a) return to zero?
(b) stay over on the right?
(c) move to the left and stay there
(d) move to and fro until S is opened

The north pole of a long bar magnet was pushed slowly into a short solenoid connected to a galvanometer. The magnet was held stationary for a few seconds with the north pole in the middle of the solenoid and then withdrawn rapidly. The maximum deflection of the galvanometer was observed when the magnet was ______.

A coil is connected to a galvanometer. When the N-pole of magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when:  

 the N-pole is removed?

A coil is connected to a galvanometer. When the N-pole of magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when: 

 the S-pole is inserted?

What are the two main communications systems in an animal's body?

A coil is connected to a galvanometer. When the N-pole of magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when: 

the magnet is a rest in the coil? 

Which parts of the body form the central nervous system?

Fill in the following blank with suitable word :

The neuron which carries a message for action to a muscle or gland is known as a......... neuron.

Name the three types of nerves which constitute the peripheral nervous system.

What is the function of receptors and effectors in our body?

If fuse of 250 mA, 500 mA, 1 A, 5 A and 10 A were available, which one would be the most suitable for protecting an amplifier rated at 240 V, 180 W?  

The human brain can be broadly divided into three regions. name these three regions.

How should the electric lamps in a building be connected so that the switching on or off in a room has no effect on other lamps in the same building?

What is cranium? What is its function?

List three ways in which neurons are similar to other cells.

What does CNS stand for? Which part of CNS : (a) consists of two cerebral hemispheres, and (b) has spinal nerves attached to it?