SI unit of temperature is __________

(a)

celsius

(b)

fahrenheit

(c)

kelvin

(d)

ampere

The unit for surface tension is _________

(a)

Nm

(b)

N^-1m

(c)

N^-1m^-1

(d)

Nm^-1

The spherical mirror with a reflecting surface curved inward is called

(a)

convex mirror

(b)

concave mirror

(c)

curved mirror

(d)

None of the above

The Pictorial symbol for water given by the alchemists was

(a)

(b)

(c)

(d)

Which of the following element is named after a scientist?

(a)

Americium

(b)

Mercury

(c)

Nobelium

(d)

Neptunium

______ metal undergoes rusting.

(a)

tin

(b)

sodium

(c)

copper

(d)

iron

__________ is an acid - loving bacteria

(a)

Lactobacillus acidophilus

(b)

Pseudomonas

(c)

Xanthomonas

(d)

Vibrio cholera

An example for colonial form of algae is

(a)

Oscillatoria

(b)

Nostac

(c)

Volvox

(d)

Chlorella

In the absence of oxygen, glucose is broken down in to ________.

(a)

Lactic acid

(b)

Citric acid

(c)

Acetic acid

(d)

Nitric acid

_____is a thin transparent membrane that is spread across the sclera

(a)

Cornea

(b)

Conjunctiva

(c)

Retina

(d)

Ciliary body

Pick out the odd one

(a)

Speaker

(b)

Printer

(c)

Keyboard

(d)

Monitor

Conduction is the heat transfer which takes place in a____________.

(a)

solid

(b)

liquid

(c)

gas

(d)

All of them

Carbon dioxide with water changes

(a)

blue litmus to red

(b)

red litmus to blue

(c)

blue litmus to yellow

(d)

doesn’t react with litmus

Which of the following parts of our body help us in movement?
(i) Bones (ii) Skin (iii) Muscles (iv) Organs Choose the correct answer from the options below.

(a)

(i) and (iii)

(b)

(ii) and (iv)

(c)

(i) and (iv)

(d)

(i) and (iv)

Many adolescent boys and girls get pimples on face, due to the secretions of _________ gland.

(a)

sweat

(b)

sebaceous

(c)

sweat and sebaceous

(d)

None of these

A magnet attracts _______.

(a)

wooden materials

(b)

any metal

(c)

copper

(d)

iron and steel

_____ is called as Red planet.

(a)

Mercury

(b)

Venus

(c)

Earth

(d)

Mars

The base is a substance that gives _____ on dissolving in water.

(a)

OH^-

(b)

H⁺

(c)

OH

(d)

H

__________ is the coal of superior quality.

(a)

Peat

(b)

Lignite

(c)

Bituminous

(d)

Anthracite

The plants found in a particular area are known as ________

(a)

fauna

(b)

flora

(c)

endemic

(d)

rare