Quantities other than base quantities are called as

(a)

supplementary quantities

(b)

derived quantities

(c)

professional quantities

(d)

energy quantities

Which of the following statements  is wrong?

(a)

Approximation gives accurate value

(b)

Approximation simplifies the calculation

(c)

Approximation is very useful when little information is available

(d)

Approximation gives the nearest value only

Pressure exerted by a liquid is increased by

(a)

the density of the liquid

(b)

the height of the liquid column

(c)

Both (a) & (b)

(d)

None of the above

The refractive index of water is

(a)

1.0

(b)

1.33

(c)

1.44

(d)

1.52

An imaginary line perpendicular to the reflecting surface is called

(a)

imaginary line

(b)

curved line

(c)

Perpendicular line

(d)

normal

Decomposition of limestone is an example for chemical reaction based on __________

(a)

contact

(b)

electricity

(c)

light

(d)

heat

__________is an example for Lophotrichous

(a)

vibrio

(b)

Pseudomonas

(c)

Rhodospirillum

(d)

Corny bacterium

The estimated number of species on the earth is _________ million

(a)

8.7

(b)

100

(c)

120

(d)

150

_______tissues for conduction of nerve impalses

(a)

Epithelial

(b)

Muscular

(c)

Nervous

(d)

Supporting

Pick out the odd one

(a)

Speaker

(b)

Printer

(c)

Keyboard

(d)

Monitor

Convert 300 K into celsius.

If two plane mirrors are inclined to each other at an angle of 90°, find the number of images formed.

What happens to the brine during electrolysis?

What do you mean by coenocytic mycelium?

Name any four input devices.

What are the differences between Plane angle and solid angle?

Give any two uses of super conductors

State the Snell’s law of refraction

What are the characters of monocotyledons.

What is the significance of stem cell?

Write a note on refraction in medium and list out the refractive index of some substances.

Explain the biological effects of chemical reactions

 Explain the mechanism of breathing.