Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is ________.

(a)

1:2

(b)

2:1

(c)

4:1

(d)

1:4

Physical quantities are classified into __________ types

(a)

three

(b)

two

(c)

four

(d)

none of the above

Suppose a boy is enjoying a ride on a marry go round which is moving with a constant speed of 10 m/s. It implies that the boy _______.

(a)

at rest

(b)

moving with no acceleration

(c)

in accelerated motion

(d)

moving with uniform velocity

Average speed of a moving object is equal to the magnitude of its average velocity when it travels.

(a)

in a straight line without turning back

(b)

in a circle

(c)

back and forth

(d)

in a zig-zag path

The metals which is a liquid at room temperature is _______.

(a)

Chlorine

(b)

Sulphur

(c)

Mercury

(d)

Silver

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

(a)

Atom

(b)

Molecule

(c)

Gases

(d)

None

One Nanometre is equal to _____________

(a)

10⁸ m

(b)

10^-9 m

(c)

10^-5 m

(d)

10⁹ m

Reproductive part of a plant is _________.

(a)

Root

(b)

Stem

(c)

Leaf

(d)

Flower

____________ do not produce spores.

(a)

Algae

(b)

Fungi

(c)

Datura

(d)

Ferns

Tobacco chewing causes ________ .

(a)

Anamia

(b)

Periodontitis

(c)

Tuberculosis

(d)

Pneumonia

Which technology uses pixels to create pictures?

(a)

Vector

(b)

Raster

(c)

both

(d)

None

______________ app used to draw and edit pictures.

(a)

Paint

(b)

Colout

(c)

Art

(d)

Picture

We can collect our notes in ___________ application.

(a)

Notepad

(b)

Notebook

(c)

'paint' app

(d)

scratch

Which of the following temperature conversions is incorrect
 K ( Kelvin) = ⁰C ( Celsius) + 273.15

(a)

0C	K
-273.15	0

(b)

0C	K
-123.	+150.15

(c)

0C	K
+127.	+400.15

(d)

0C	K
+ 450	+ 733.15

In which of the following circuits are the bulb connected in series?

(a)

(b)

(c)

(d)

________is an example of a periodic change.

(a)

Earthquake

(b)

Formation of rainbow in sky

(c)

Occurrence of tides in seas

(d)

Showering of rain

Which part of the cell is called the brain of the cell?

(a)

Lysosome

(b)

Ribosome

(c)

Mitochondria

(d)

Nucleus

Tux Math software helps in learning the ________.

(a)

Painting

(b)

Arithmetic

(c)

Programming

(d)

Graphics

Which of the following is the strongest?________

(a)

Rayon

(b)

Nylon

(c)

Acrylic

(d)

Polyester

Eggs are rich in_______.

(a)

Protein

(b)

Carbo hydrate

(c)

Fat

(d)

None of them