The unit of area is_________.

(a)

m³

(b)

m

(c)

m²

(d)

\(\frac{m}{s}\)

To measure the diameter of a thin wire_________is used.

(a)

Screw gauge

(b)

Water gauge

(c)

Meter gauge

(d)

Wind gauge

The slope of the velocity time graph for uniformly accelerated motion give _____

(a)

speed

(b)

acceleration

(c)

displacement

(d)

velocity

To form a real image -________________mirror is required.

(a)

parallel

(b)

plane

(c)

convex

(d)

concave

Evaporation takes place at the______of a liquid.

(a)

middle

(b)

surface

(c)

side

(d)

bottom

2H₂ + O₂ \(\longrightarrow \)2H₂O. This is a___________ reaction.

(a)

Combination

(b)

Displacement

(c)

Decompostion

(d)

Exothermic

The common name of Mimosa pudica is____________

(a)

sun flower

(b)

Touch me not

(c)

Moon plant

(d)

Thozhukanni

Among the following which one is most biodiverse terrestrial place?

(a)

Africa

(b)

America

(c)

Argentina

(d)

Amazon.

How many of the following organism are coelmate?
Earthworm, Leech, Amphious, Ascaris

(a)

five

(b)

four

(c)

three

(d)

two

Riboflavin is other name of vitamin _____

(a)

B₁

(b)

B₂

(c)

B₆

(d)

B₁₂

Ice does not melt rapidly because of

(a)

high specific heat capacity

(b)

high latent of fusion

(c)

high heat capacity

(d)

high latent heat of fusion

The resistance of a conductor is R. If its length is doubled, then its new resistance will be_______________

(a)

R

(b)

2R

(c)

4R

(d)

8R

The maximum number of electrons that can be accommodated in s, p ,d, and f subshells are__________

(a)

14, 10, 6, 2

(b)

6, 10, 2, 14

(c)

2, 6, 10, 14

(d)

6, 2, 14, 10

Which of the following are the is a weak bases?

(a)

NH₄OH & NaOH

(b)

Ca(OH)₂& KOH

(c)

NH₄OH & Ca(OH)₂

(d)

NaOH & KOH

Disappearance of spindle fibres is seen in___________

(a)

metaphase

(b)

prophase

(c)

anaphase

(d)

telophase

The act of bringing swallowed food back to the mouth is called___________

(a)

egestion

(b)

ingestion

(c)

micturition

(d)

regurgitation

__________cable transmits high quality and high bandwidth streams of audio and video

(a)

VGA

(b)

USB

(c)

Data

(d)

HDMI

An iron ball is weighed in air and then in water by a spring balance.

(a)

Its weight in air is more than in water.

(b)

Its weight in water is more than in air

(c)

Its weight is same both in air and water.

(d)

Its weight is zero in water.

A small bee produces sound, while it moves, the sound is created due to _____________.

(a)

grinding its teeth

(b)

Friction due to air

(c)

flapping of wings

(d)

sound due to its vocal cord

Stars in a constellation form _____________.

(a)

No shape

(b)

any arbitrary shape

(c)

a recognisable shape

(d)

a straight line always