Distance between Chennai and Kanyakumari can be found in

(a)

Kilometres

(b)

Metres

(c)

Centimetres

(d)

Millimetres

The force responsible for drying of clothes in a washing machine is

(a)

Centripetal force

(b)

Centrifugal force

(c)

Gravitational force

(d)

Electrostatic force

A spherical mirror which has reflecting curved inward surface is ____________________mirror

(a)

concave

(b)

convex

(c)

plano concave

(d)

plano convex

Difference in ________________is the principle used in fractional distillation

(a)

solubility

(b)

melting point

(c)

boiling point

(d)

adsorption

Evaporation takes place at the______of a liquid.

(a)

middle

(b)

surface

(c)

side

(d)

bottom

Von Helmont conducted his experiment in the year_____________.

(a)

1684

(b)

1468

(c)

1864

(d)

1648.

Which is not a feature of chordates

(a)

Green glands

(b)

Sweat glands

(c)

Sebaceous gland

(d)

Mammary gland

Which among the following organism has water vascular system in its body?

(a)

Sponge

(b)

Hydra

(c)

Fish

(d)

Star fish

Proteins are made of ____________ .

(a)

Ascorbic acid

(b)

Amino acid

(c)

Citric acid

(d)

Folic acid

The part of the AC generator that passes the current from the armature coil to the external circuit is

(a)

field magnet

(b)

split rings

(c)

slip rings

(d)

brushes

At the  centre of a magnet, the magnetism is____________

(a)

zero

(b)

same as the poles

(c)

maximum

(d)

minimum

Chlorenchyma is known to develop in the

(a)

cytoplasm of chlorella

(b)

mycelium of a green mould such as aspergillus

(c)

spore capsule of moss

(d)

pollen tube of pinus

The____________ epithelium forms a selective permeable membrane surface.

(a)

Ciliated

(b)

Squamous

(c)

Cuboidal

(d)

Glandular

Unit of thrust is _____________.

(a)

Newton

(b)

Pascal

(c)

cm³

(d)

km

Which of the following sound is not the cause of noise pollution?

(a)

Loud speaker

(b)

Horn of vehicle

(c)

Explosion

(d)

Television

Which of the following units is used to measure distance between the stars?

(a)

km

(b)

m

(c)

light year

(d)

fm

Which of the following plastic items are banned by the Government of Tamil Nadu as of 1st January 2019?

(a)

Plastic sheets

(b)

Plastic tea cups

(c)

Plastic water packets

(d)

All the above

Which of the following methods is suitable for preventing iron frying pan from rusting?

(a)

Applying grease

(b)

Applying paint

(c)

Applying coating of zinc

(d)

All the above

The amount of CO₂ present in the atmospheric air is _______________.

(a)

0.318%

(b)

0.383%

(c)

21%

(d)

78%

Flagella arranged along the sides of the bacteria _____________.

(a)

Peritrichous

(b)

Monotrichous

(c)

Lophotrichous

(d)

Amphitrichous