English Medium Class 9 - CBSE Question Bank Solutions for Science

Draw a neat diagram of plant cell and label any three parts which differentiate it from animal cell.

Real organs are absent in

Define the terms and give one example

Coelom

Name the process associated with the following

A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.

An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?

Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture

Two or more coloured constituents are soluble in some solvent.

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Name a non-metal other than carbon that shows allotropy.

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Name a non-metal which is required for combustion.

Classify the substances given in Fig. 2.2 into elements and compounds

Living cells were discovered by

Name any cell organelle which is non membranous.

Name the organelles which show the analogy written as under

Control room of the cell——

One of the following is not an Annelid

Which among the following have an open circulatory system?

1. Arthropoda
2. Mollusca
3. Annelida
4. Coelenterata

In which group of animals, coelom is filled with blood?

Which among the following is exclusively marine?

The locomotory organs of Echinodermata are

Hard calcium carbonate structures are used as skeleton by

Match items of column (A) with items of column (B)

Which one is the most striking or (common) character of the vertebrates?