__________ is the measure of the perceived power of light.

(a)

Luminous flux

(b)

Luminous power

(c)

Luminous Intensity

(d)

Both a and b

__________ form the perfect image of an object

(a)

Spherical mirrors

(b)

Parabolic mirrors

(c)

Plane mirrors

(d)

Cylindrical mirrors

Compound obtained from living sources such as plants and animals are called

(a)

In Organic Compounds

(b)

Organic Compounds

(c)

Synthetic Compounds

(d)

Artificial Compounds

_________is a ball-shaped bacteria.

(a)

Bacilli

(b)

Spinilla

(c)

Cocci

(d)

Vibrio

_____ is the giant kelp

(a)

Spirogyra

(b)

Volvox

(c)

Macrocystis

(d)

Chlorella

_________make up organs

(a)

Cells

(b)

Tissues

(c)

Organ system

(d)

None of the above

When was the first computer introduced?

(a)

1980

(b)

1947

(c)

1946

(d)

1985

Aerated water contains

(a)

air

(b)

oxygen

(c)

carbon dioxide

(d)

nitrogen

Cathode rays are made up of

(a)

neutral particles

(b)

positively charged particles

(c)

negatively charged particles

(d)

None of the above

Which one of the following organisms lack muscles and skeleton for movement?

(a)

Dog

(b)

Snail

(c)

Earth worm

(d)

Human being

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

Which tool bar is used for drawing and editing controls in tux paint software?

(a)

Left Side: Toolbar

(b)

Right side: Toolbar

(c)

Middle: Tool bar

(d)

Bottom: Tool bar

What kind of musical instrument is a sitar?

(a)

String instrument

(b)

Percussion instrument

(c)

Wind instrument

(d)

None of these

The south pole of a bar magnet and the north pole of a U-shaped magnet will __________.

(a)

attract each other

(b)

repel each other

(c)

neither attract nor repel each other

(d)

None of the above

Chandrayaan - 1 was launched on

(a)

22^nd October 2008

(b)

8^th November 2008

(c)

22^nd July 2019

(d)

22^nd October 2019

Solubility of carbon dioxide in water is high when the

(a)

pressure is low

(b)

pressure is high

(c)

temperature is high

(d)

None of the above

In acidic solutions blue litmus changes into ______ colour.

(a)

blue

(b)

green

(c)

red

(d)

white

Which is known as syn gas?

(a)

Marsh gas

(b)

Water gas

(c)

Producer gas

(d)

Coal gas

Organism that control insects and pests of plant crops is

(a)

bio-pesticides

(b)

bio-fertilizers

(c)

earthworms

(d)

neem leaves

The Keyboard shortcut is used to copy the selected text

(a)

Ctrl + C

(b)

Ctrl + V

(c)

Ctrl + X

(d)

Ctrl + A