Electric current (I) = ____________

(a)

Qt

(b)

t/Q

(c)

Q/t

(d)

Q/t²

When the angle of inclination decreases the number of images formed _________

(a)

increase

(b)

decreases

(c)

remain same

(d)

none of the above

The burning of matchstick is an example for chemical reaction based on______

(a)

Contact in physical states

(b)

electricity

(c)

light

(d)

catalyst

Rusting of iron is a _________ change.

(a)

physical

(b)

chemical

(c)

physical and chemical

(d)

neutral

Floridian starch is a reserve food material of

(a)

Chloroplyceae

(b)

Phaeophyceae

(c)

Rhodophyceae

(d)

Cyanophyceae

_____ is the giant kelp

(a)

Spirogyra

(b)

Volvox

(c)

Macrocystis

(d)

Chlorella

The process of air passing in and out the lungs is called ___________.

(a)

Inhalation

(b)

Exhalation

(c)

Breathing

(d)

None of these

Pen drive is _____device.

(a)

Output

(b)

Input

(c)

Storage

(d)

Connecting cable

The process of converting a liquid into a solid is called_________.

(a)

sublimation

(b)

condensation

(c)

freezing

(d)

deposition

Fuse is

(a)

a switch

(b)

a wire with low resistance

(c)

a wire with high resistance

(d)

a protective device for breaking an electric circuit

Cathode rays are made up of

(a)

neutral particles

(b)

positively charged particles

(c)

negatively charged particles

(d)

None of the above

Why do underwater divers wear fin-like flippers on their feet ?

(a)

To swim easily in water

(b)

To look like a fish.

(c)

To walk on water surface

(d)

To walk over the bottom of the sea (sea bed).

Adam’s apple is the growth of the ________

(a)

pharynx

(b)

thyroid

(c)

larynx

(d)

parathyroid

Tux Math software helps in learning the ________

(a)

painting

(b)

arithmetic

(c)

programming

(d)

graphics

Find the odd one out.

(a)

Harmonium

(b)

Flute

(c)

Nadaswaram

(d)

Violin

MRI stands for __________.

(a)

Magnetic Resonance Imaging

(b)

Magnetic Running Image

(c)

Magnetic Radio Imaging

(d)

Magnetic Radar Imaging

Cryogenic fuels are stored at

(a)

room temperature

(b)

low temperature

(c)

very low temperature

(d)

very high temperature

In acidic solutions blue litmus changes into ______ colour.

(a)

blue

(b)

green

(c)

red

(d)

white

The chemical mixed with LPG that helps in the detection of its leakage is __________

(a)

methanol

(b)

ethanol

(c)

camphor

(d)

mercapton

The method in which water flows over the soil surface and allow it to infiltrate is

(a)

irrigation

(b)

surface irrigation

(c)

springler irrigation

(d)

drip irrigation