Luminous intensity is the intensity of ________

(a)

Laser light

(b)

UV light

(c)

visible light

(d)

IR light

The unit of charge is ______

(a)

Coulomb

(b)

Ampere

(c)

Radian

(d)

Steradian

Pascal’s law is used in

(a)

hydraulic lift

(b)

brake system

(c)

pressing heavy bundles

(d)

All the above

If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?

(a)

10 cm

(b)

5 cm

(c)

20 cm

(d)

15 cm

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

(a)

increase

(b)

decreases

(c)

remain same

(d)

none of the above

The property which allows metals to be hammered into their sheets is ___________

(a)

ductility

(b)

malleability

(c)

conductivity

(d)

tensile strength

Limestone contains ______ mainly.

(a)

Calcium chloride

(b)

calcium carbonate

(c)

calcium nitrate

(d)

calcium sulphate

The brown colour of a cut apple is due to

(a)

rusting

(b)

rancidity

(c)

browning

(d)

fermentation

Solanum trilobatum is the binomial name of Thoothuvalai. Here the word ‘Solanum’ refers to

(a)

Species

(b)

Genus

(c)

Class

(d)

Orders

Maintenance of constant internal environment of the body is known as _________

(a)

Homeostasis

(b)

Homeophytes

(c)

Homeokinesis

(d)

Homeophilics

Fifth generation computer has ___________ Intelligence.

(a)

Transistors

(b)

Integrated Circuits

(c)

Microprocessor

(d)

Artificial Intelligence

An electroscope has been charged by induction with the help of charged glassrod. The charge on the electroscope is

(a)

negative

(b)

positive

(c)

both positive and negative

(d)

None of the above

Which of the following statements made by Dalton has not undergone any change?

(a)

Atoms cannot be broken.

(b)

Atoms combine in small, whole numbers to form compounds.

(c)

Elements are made up of atoms.

(d)

All atoms of an elements are alike

The period at which an organism attains sexual maturity is called _____________

(a)

puberty

(b)

adolescence

(c)

growth

(d)

maturity

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

The range of audible frequency for the human ear is

(a)

2 Hz to 2000 Hz

(b)

20 Hz to 2000 Hz

(c)

20 Hz to 20000 Hz

(d)

200 Hz to 20000 Hz

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

Acids are ________ in taste.

(a)

sour

(b)

sweet

(c)

bitter

(d)

salty

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

(a)

methanol

(b)

ethanol

(c)

camphor

(d)

mercapton

The plants found in a particular area are known as ________

(a)

fauna

(b)

flora

(c)

endemic

(d)

rare