If the body covers equal distances in equal intervals of time, irrespective of the duration of the interval, that body is said to be:

• A) moving with uniform speed
• B) accelerating
• C) decelerating
• D) moving with uniform velocity

The mixture of milk is an example of______.

• A) Solution
• B) Alloy
• C) Suspension
• D) Colloid

The objects emits the light and become source of light are called ________ objects.

• A) Translucent
• B) Opaque
• C) Luminous
• D) Transparent

The minimum distance that needed human eye to focus on an object is _______.

• A) 30 cm
• B) 15 cm
• C) 10 cm
• D) 25 cm

What important activity takes place in the lungs?

• A) Oxygen is exchanged for carbon dioxide
• B) Food is digested
• C) Liquid waste is filtered from the blood
• D) The trachea is exchanged for the larynx

Name the stage of mitosis in which chromosomes are arranged on the equator of spindle?

• A) Metaphase
• B) Telophase
• C) Prophase
• D) Anaphase

In simple microscopes magnifying glass are used to form______ images.

• A) Inverted
• B) Real and erect
• C) Real
• D) Virtual and erect

If the velocity of an object is decreasing, acceleration has to be

• A) negative
• B) positive
• C) uniform
• D) variable

Thermostats are thermo-mechanical or thermo-electrical devices which are used to:

• A) control temperature
• B) decrease temperature
• C) measure temperature
• D) increase temperature

Lens used in simple microscope is:

• A) Biconvex
• B) Plano convex
• C) Biconcave
• D) Cylindrical

A water pump lift 70kg of water to a height 16 m in 10 s , the power of pump is ______.

• A) 44 watt
• B) 112 watt
• C) 1120 watt
• D) 1000 watt

The most abundant metal in earth crust is ________.

• A) Sodium
• B) Iron
• C) Aluminum
• D) Calcium

The process of formation RNA from DNA is called________.

• A) Replication
• B) Transcription
• C) Translation
• D) DNA repair

The average power of an athlete of mass 60 kg in climbing a staircase 10 m high in 10 seconds is approximately:

• A) 600 W
• B) 900 W
• C) 60 W
• D) 300 W

Loss of hydrogen atoms by an element is called _________.

• A) Sublimation
• B) Reduction
• C) Oxidation
• D) Hydrogenation

When experimental results are in accordance with theoretical prediction this becomes:

• A) an assumption
• B) a law
• C) a theory
• D) a hypothesis

Liquid___________is used as a coolant to freeze foods rapidly

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

Same force F is applied on two objects X and Y but the accelerations caused by this Applied F are not same. The object X has acceleration three times that of object Y because__________

• A) X has different shape so easily moved
• B) X is three times more massive than Y
• C) X has one-third the mass of Y
• D) Y has more value of friction

Optical instrument like telescope, microscopes and optical filers are bases on which light phenomena?

• A) Diffraction of light
• B) Total internal reflection of light
• C) Absorption of light
• D) Scattered of light

which line correctly identifies average speed:

• A) distance covered in unit time
• B) displacement in unit time
• C) total distance covered divided by time taken
• D) distance covered in constant time intervals