There are___________fundamental units in SI system of units.

(a)

7

(b)

4

(c)

6

(d)

5

The area under velocity time graph represents

(a)

Velocity of the moving object

(b)

Displacement covered by the moving object

(c)

Speed of the moving object

The angle between the normal and the refracted ray is called angle of ________________________

(a)

reflection

(b)

refraction

(c)

incidence

(d)

deviation

______ is essential to perform separation by solvent extraction method.

(a)

Separating funnel

(b)

centrifuge machine

(c)

filter paper

(d)

sieve

An alpha particle is identical with a ___________Nucleus.

(a)

Argon

(b)

Chlorine

(c)

Neon

(d)

Helium

A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to _______.

(a)

remove chlorophyll from the leaf

(b)

remove starch from the leaves

(c)

ensure that photosynthesis occurred

(d)

to prove transpiration

Chlorophyll is a________________pigment

(a)

Yellow

(b)

Orange

(c)

green

(d)

Blue.

All life can be divided into________major categories.

(a)

one

(b)

two

(c)

three

(d)

four

Ascon worms belongs to_________.

(a)

invertebrates

(b)

vertebrates

(c)

Urochordates

(d)

Hemichordates

Scaly skin, nerve disorders are due to the deficiency of ______

(a)

Vitamin B₃

(b)

Vitamin B₆

(c)

Vitamin B₁₂

(d)

Vitamin B₂

SI unit of temperature is

(a)

fahrenheit

(b)

joule

(c)

celsius

(d)

kelvin

The temperature at which a liquid gets converted into its vapour state is called its________

(a)

melting point

(b)

boiling point

(c)

dew point

(d)

freezing point

The unit of magnetic flux density is

(a)

weber

(b)

weber/metre

(c)

weber/metre²

(d)

weber. metre²

Noble gases are placed in_____________ group in the modern periodic table.

(a)

13^th

(b)

18^th

(c)

17^th

(d)

2^nd

Since metal carbonate and metal bicarbonate are basic they react with acids to give salt and water with the liberation of__________

(a)

NO₂

(b)

SO₂

(c)

CO₂

(d)

SO₄

_________is seen in unicellular animals.

(a)

Mitosis

(b)

mieosis

(c)

Amitosis

(d)

none of the above

The common passage meant for transporting urine and sperms in male is___________

(a)

ureter

(b)

urethra

(c)

vas deferens

(d)

scrotum

The speeds of sound in four different media are given below. Which of the following is the most likely speed in ms^-1 with which the two underwater whales in a sea can talk to each other when separated by a large distance?

(a)

5170

(b)

1280

(c)

340

(d)

1530

This type of food protect us from deficiency diseases.

(a)

Carbohydrates

(b)

Vitamins

(c)

Proteins

(d)

Fats

Which of the following is an high milk yielding variety of cow?

(a)

Holstein- Friesan

(b)

Dorset

(c)

Sahiwal

(d)

Red Sindhi