There are___________fundamental units in SI system of units.

(a)

7

(b)

4

(c)

6

(d)

5

A body moving along a circular path has _______

(a)

constant speed

(b)

constant velocity

(c)

no radial acceleration

(d)

no tangential velocity

An object is placed between F and 2F of a concave, mirror image will be formed_____________________

(a)

at infinity

(b)

beyond F

(c)

beyond 2F

(d)

between F and O

Evaporation takes place at the______of a liquid.

(a)

middle

(b)

surface

(c)

side

(d)

bottom

The outermost shell of an atom is called its________ shell.

(a)

inner

(b)

outer

(c)

valence

(d)

sub shell

The end product of photosynthesis is____________.

(a)

Sucrose

(b)

fructose

(c)

glycogen

(d)

Glucose

Identify the emerald green sea slug________________.

(a)

Vaucheria litorea

(b)

Nepenthes

(c)

Droseta

(d)

Elysia chlorotica

Carolus Linnaeus was a________botanist.

(a)

German

(b)

American

(c)

Swedish

(d)

Russian

Among the following which one is the largest phylum of animal kingdom?

(a)

Mollusca

(b)

Porifera

(c)

Coelenterates

(d)

Echinodermata

Riboflavin is other name of vitamin _____

(a)

B₁

(b)

B₂

(c)

B₆

(d)

B₁₂

Nerve impulses do not get transmitted due to the deficiency of ____________.

(a)

Sodium

(b)

Calcium

(c)

Potassium

(d)

Iodine

Assertion (A) Electric current will not flow between two charged bodies when connected if their charges are same.
Reason (R) Current is the rate of flow of charge.

(a)

If both assertion and reason are true and reason is the correct explanation of assertion

(b)

If both assertion and reason are true but reason is not the correct explanation of assertion.

(c)

If assertion is true but reason is false

(d)

If assertion is false but reason is true.

Which block of the periodic table contains metals, non-metals and metalloids?

(a)

s

(b)

p

(c)

d

(d)

f

_______________is an example of a covalent compound having high melting point

(a)

Magnesium oxide

(b)

Silicon carbide

(c)

Ammonia

(d)

All the above

Which of the following are the is a weak bases?

(a)

NH₄OH & NaOH

(b)

Ca(OH)₂& KOH

(c)

NH₄OH & Ca(OH)₂

(d)

NaOH & KOH

Disappearance of spindle fibres is seen in___________

(a)

metaphase

(b)

prophase

(c)

anaphase

(d)

telophase

____________acts as birth canal.

(a)

Fallopian tube

(b)

Vagina

(c)

Uterus

(d)

Vasdeferens

________is used to connect the speaker to the computer

(a)

Audio jack

(b)

Power card

(c)

Data cable

(d)

USB cable

Air gets ____________ as we go down below the sea level like mines

(a)

heavier

(b)

thinner

(c)

greater

(d)

lesser

The back and forth motion of the object is called ___________.

(a)

Vibration

(b)

Rotation

(c)

Translation

(d)

Linear motion