The SI unit of speed is __________

(a)

m/s²

(b)

m/s

(c)

km/h

(d)

m²/s

The maximum volume of liquid that a continer can hold is _________

(a)

area

(b)

volume

(c)

capacity

(d)

density

If the velocity of a body does not change, then its acceleration is ____________

(a)

infinity

(b)

unity

(c)

zero

(d)

between zero and unity

_________ can be formed by the same or different kinds of atoms.

(a)

Atom

(b)

Molecule

(c)

Gases

(d)

None

The common salt consisting elements. of sodium and _________

(a)

Oxygen

(b)

Chlorine

(c)

Carbon

(d)

Hydrogen

____________ is made up of two or more atoms

(a)

Atoms

(b)

Molecule

(c)

Compound

(d)

None

Proton was discovered by _______________

(a)

Rutherford

(b)

Goldstein

(c)

Chadwick

(d)

J.J. Thomson

The combining property of atom is called ____________

(a)

atomic number

(b)

mass number

(c)

valency

(d)

molecule

In __________ sepal is seen on the fruit after fertilization

(a)

Brinjal

(b)

Pumpkin

(c)

Onion

(d)

Garlic

____________ is a disease caused due to entry of external harmful agents in the body

(a)

Hypothyroidism

(b)

Pellagra

(c)

Asthma

(d)

Night blindness