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

Mitochondria are called powerhouse of a cell because ________.

• A) They present in cytoplasm in large number
• B) They are self replicating organelle
• C) They make ATP (Adenosine Tri Phosphate) for cell
• D) They have a double membrane

Each distinct form of life or type of organism is called __________

• A) Species
• B) Domain
• C) System
• D) Cell

The study of life or living organisms is called_________

• A) Chemistry
• B) Psychology
• C) Physics
• D) Biology

The temperature of sand raised more quickly as compared to water as specific heat of sand is_______.

• A) Equal to water
• B) Greater than water
• C) Neutral
• D) Less than water

A mass is projected vertically upwards. Which line could represents the correct energy conversions while the mass is gaining height.
K.E. Gravitational P.E. Total Energy

• A) increases increases increases
• B) decreases increases does not change
• C) decreases decreases decreases
• D) increases decreases does not change

A person suffering from long-sighted cannot see objects nearer to his eye than 50 cm. He wants to read a book 25 cm away; he should use spectacle lenses whose power in dioptres is ----------.

• A) -6
• B) -4
• C) -2
• D) +4

Stars are mostly composed of_______________

• A) Nitrogen
• B) Oxygen
• C) Ozone
• D) Hydrogen