Hafifa

The magnitude of a vector can never be

• Positive

• Neagtive

• None of these

The SI unit of intensity of Light is

• Mole

• Kelvin

• Candela

• Ampere

The concentration of solute in solution,when it is in equilibrium with solid substance,at a particular temperature is called

• Molarity

• Dilution

• Supersaturated solution

• Colloidal Solution

Plastic,glass,rubber,lamp-black etc are the examples of

• Crystalline solids

• Super cooled liquids

• Amorphous Solids

• Ionic solids

The most common speed units are

• M/sec

• Km/h

• Miles/ hour(MPH)

• All of them

Spicy food coupled with anxiety,may lead to

• Indigestion

• Hypotension

• Seizures

• None of above

What is seed plant that has no fruit

• Bryophytes

• Gymnosperms

• Mosses

• Pteridophytes

Non metallic character of elements increases from left to right across the period and ____from top to bottm

• Increases

• Decreases

• Remains same

• Stable

Lens thick at centre but thin at edges is

• Concave

• Convex

• Diverging

• Plane

Animals which eat plants are

• Herbivores

• Omnivores

• Carnivores