_________is not the unit of length.

(a)

Muzham

(b)

Furlong

(c)

Mile

(d)

Hour

If velocity of a body decreases in equal intervals of time it is termed ______

(a)

uniform acceleration

(b)

non-uniform acceleration

(c)

negative acceleration

(d)

positive acceleration

The mirror that diverge the light rays is______________________

(a)

concave

(b)

convex

(c)

plane

(d)

None of these

Particles of matter are in constant motion as they possess ______energy.

(a)

potential

(b)

kinetic

(c)

solar

(d)

wind

James Chadwick observed when was exposed to a particle, particles with about the same mass as protons were emitted.

(a)

Boron

(b)

Carbon

(c)

Helium

(d)

Beryllium

Shoots are said to_____________.

(a)

Negative phototropism

(b)

Positive phototropism

(c)

Positive hydrotropism

(d)

Negative chemotropism

Consider the following four statements whether they are correct or wrong for the classification of animal kingdom.

(a)

Mesoglea

(b)

presence or absence of alimentary canal

(c)

on the basis of grade of organization

(d)

presence of haemolymph

The temperature required for deep freezing is ______

(a)

-23°C to -30°C

(b)

-23°C to -28°C

(c)

-23°C to -25°C

(d)

-23°C to -32°C

On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?

(a)

On heating Glass expands and lid contracts

(b)

On heating lid expands more than the neck and thus slides easily

(c)

Neck becomes slippery on heating

(d)

Lid of the bottle cannot bear the heat.

A magnetic field exerts no force on________

(a)

stationary electric charge

(b)

a magnet

(c)

an electric charge moving perpendicular to its direction

(d)

an unmagnetised iron bar

Which block of the periodic table contains metals, non-metals and metalloids?

(a)

s

(b)

p

(c)

d

(d)

f

Which of the following compound(s) possesses high melting point?

(a)

NaCI

(b)

MgCI₂

(c)

CCl₄

(d)

Both a & b

NaOH & KOH are____

(a)

strong bases

(b)

metal Oxides

(c)

weak bases

(d)

diacidic bases

Disappearance of spindle fibres is seen in___________

(a)

metaphase

(b)

prophase

(c)

anaphase

(d)

telophase

____________acts as birth canal.

(a)

Fallopian tube

(b)

Vagina

(c)

Uterus

(d)

Vasdeferens

Personal computer comes under the_________ computer.

(a)

mainframe

(b)

rrum

(c)

micro

(d)

super

Air gets ____________ as we go down below the sea level like mines

(a)

heavier

(b)

thinner

(c)

greater

(d)

lesser

The back and forth motion of the object is called ___________.

(a)

Vibration

(b)

Rotation

(c)

Translation

(d)

Linear motion

Stars in a constellation form _____________.

(a)

No shape

(b)

any arbitrary shape

(c)

a recognisable shape

(d)

a straight line always

Which Amorphous form of carbon is used in making electrode in dry cell?

(a)

coke

(b)

gas carbon

(c)

lampblack

(d)

charcoal