The temperature at which the volume of gas becomes zero is _______.

• A) 0 K
• B) 100 C
• C) 273 K
• D) 0 C

As you move an object away from a convex mirror, its image becomes------- and moves towards-------:

• A) Smaller, infinity
• B) Enlarged, focus
• C) Smaller, focus
• D) Enlarged, infinity

In plants, energy factories are called__________

• A) Cytoplasm
• B) Nucleus
• C) Chloroplasts
• D) Cell membrane

Optical fiber works on:

• A) Principle of total internal reflection
• B) Polarization
• C) Refraction
• D) Reflection

Which line indicates the variables of the third equation of motion

• A) initial velocity, final velocity, distance, acceleration
• B) initial velocity, distance, acceleration, time
• C) final velocity, distance, acceleration, time
• D) initial velocity, final velocity, distance, time

A labourer pushes a box up for a distance of 20 m. If the force the labourer applies is 10 N the amount of work done shall be

• A) 200 J
• B) 2.00 J
• C) 10 J
• D) 20 J

If the thickness of human eye lens increases, the image will formed_______.

• A) In front of retina
• B) Behind the retina
• C) In between lens and retina
• D) On retina

Right ventricle pushes blood in the pulmonary artery towards……….

• A) hearts
• B) bicuspid valve
• C) lungs
• D) tricuspid vale

Example of derived unit is ________.

• A) Current
• B) Speed
• C) Quantity of a substance
• D) Temperature

A man started his walk from main gate of park and after completing two rounds of track of 100 meters in 10 minutes he came back to the main gate. What is value of his total displacement?

• A) Zero
• B) 200 meters
• C) 10 meters
• D) 100 meters

The chromosomes are made of special protein material name as________.

• A) Adenine
• B) Thymine
• C) Cytosine
• D) Chromatin

Two rectangular strips of copper and steel are wrapped up to form a bi-metal strip. On heating, the bi-metal strip will:

• A) Bend with steel on the convex side
• B) Bend with steel on the concave side
• C) Remain straight
• D) Contract

Amino acids are organic compounds which contain ________.

• A) Oxygen
• B) Sulphur
• C) Calcium
• D) Nitrogen

Light is a form of energy produced by a:

• A) Luminous object
• B) Transparent object
• C) Opaque object
• D) Non-luminous object

Which of the following metals are corroded?

• A) Ag
• B) Cu
• C) Fe
• D) Ni

The self-linking property of carbon is known as___________.

• A) Carbonation
• B) Sublimation
• C) Hydrogenation
• D) Catenation

What is the main purpose of employing the froth flotation method in copper extraction?

• A) To refine copper electrochemically
• B) To form anode mud
• C) To concentrate copper ore
• D) To smelt copper directly

If the object is placed -------------, then the image formed by a concave mirror is virtual, erect and magnified:

• A) Between the pole of the mirror and the focus
• B) Beyond the centre of curvature
• C) At the focus
• D) At the centre of curvature

A labourer pushes a box up for a distance of 20 m up an incline of 60o. If the force the labourer applies is 20 N the amount of work done shall be:

• A) 100 J
• B) 200 J
• C) 50 J
• D) 400 J

A mass is projected vertically downwards. Just at the point of release with the ground its total energy is:

• A) 50% Gravitational Potential and 50% Kinetic Energy
• B) 100% Gravitational Potential and 0% Kinetic Energy
• C) 25% Gravitational Potential and 75% Kinetic Energy
• D) 0% Gravitational Potential and 100% Kinetic Energy