SSC (English Medium) 8th Standard - Maharashtra State Board Question Bank Solutions

Who am I?

I reproduce mainly by cell division.

Who am I?

I can produce my replica.

Who am I?

I am green, but don't have organs.

Draw a neat and labelled diagram.

Different types of bacteria.

Draw a neat and labelled diagram.

Bacteriophage.

Arrange the following in ascending order of size Bacteria, Fungi, Viruses, Algae.

The SI unit of pressure is ______.

Why do the load-carrying heavy vehicles have a large number of wheels?

Why does it happen?

Fruits can easily be cut with a sharp knife. 

What is meant by atomic mass number?

Define the following form:

Atomic mass number

Which substances are produced by the neutralization process?

Classify the following substances into Acidic, Basic, and Neutral groups.

HCl, NaCl, MgO, KCl, CaO, H₂SO₄, HNO₃, H₂O, Na₂CO₃

The air pressure on our body is equal to ______ pressure.

How much pressure do we carry on our heads? why don't we feel it?

Why does it happen?

The wall of a dam is broad at its base.

Give scientific reason.

Atomic mass number is a whole number. 

Give scientific reason.

Atoms are stable though negatively charged electron is revolving within it. 

Draw a neat labelled diagram.

Diagramatic sketch of electronic configurations of magnesium  (Atomic number 12)

Draw a neat labelled diagram.

Diagramatic sketch of electronic configuration of Argon (Atomic number 18)