A person walks 3 km North, then moves 4 km East. His displacement is

• A) 7 km East of North
• B) 3 km East of North
• C) 4 km East of North
• D) 5 km East of North

-------------- is a non-luminous object:

• A) The sun
• B) A candle
• C) The moon
• D) An electric bulb

The gas (in liquid form) used as a coolant to freeze food rapidly is _________.

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

The energy stored in compressed spring is known as _______.

• A) Elastic potential energy
• B) Kinetic energy
• C) Sound energy
• D) Chemical energy

If two quantities are inversely proportional to each other then on the graph when one quantity increases the other

• A) increases
• B) remains constant
• C) decreases
• D) increases and then decreases

The change in length of an object when it undergoes a temperature change is related to
i. Its original length
ii. It’s mass
iii. The magnitude of the temperature change

• A) (i), (ii) & (iii)
• B) (i) only
• C) (i) & (iii) only
• D) (ii) & (iii) only

An image formed by a convex mirror is always:

• A) Virtual, erect and diminished
• B) Real, inverted and diminished
• C) Real, erect and magnified
• D) Virtual, real and magnified

The process of division of nucleus into two nuclei is knows ________.

• A) Disjunction
• B) Meiosis
• C) Mitosis
• D) Fertilization

The pH value of a neutral solution is _____.

• A) 0
• B) 7
• C) Less than 7
• D) Greater than 7

In H3O every bond has_______ ionic and _____ covalent character (percent)

• A) 40%, 60%
• B) 70%, 30%
• C) 66%, 33%
• D) 50%, 50%

The anomalous behavior of water can be seen at temperature ________.

• A) 32 F
• B) 0 K
• C) 4 C
• D) 100 C

Energy possessed by an object due to its motion is termed as

• A) potential energy
• B) thermal energy
• C) kinetic energy
• D) motion energy

Mercury is chosen as a thermometric substance because:
i. Over a wide range of temperature its
expansion is uniform
ii. It does not stick to thermometer glass
iii. It opaque to light

• A) (i), (ii) & (iii)
• B) (i) & (iii) only
• C) (ii) & (iii) only
• D) (i) only

Which of the following contain –CHO functional group?

• A) Alcohols
• B) Esters
• C) Aldehydes
• D) Ketones

In birds respiration take place in _____

• A) Lungs
• B) Gills
• C) Blood Capillaries
• D) Skin

The colour of red blood cells is due to presence of________.

• A) Hemoglobin
• B) Plasma
• C) Oxygen
• D) Salts

The mixture of sand+water contains two substances that are visibly distinguishable, is known as ______.

• A) Mixture Solution
• B) Homogeneous Solution
• C) Heterogeneous Solution
• D) Colloid

A motion of a turbine is an example of:

• A) random motion
• B) circular motion
• C) vibratory motion
• D) translatory motion

Which of following has positive charge ?

• A) Atom
• B) Neutron
• C) Proton
• D) Electron

Which Base is used in production of fertilizer

• A) Sodium hydroxide (NaOH)
• B) Aluminium hydroxide Al(OH)3
• C) Ammonia (NH3)
• D) Calcium hydroxide (Ca(OH)2)