A 1200 kg vehicle is moving at 72 km / hr. It applies its brakes and comes to rest in 5 seconds. Its brakes applied an average force of

• A) 4800 N
• B) – 4800 N
• C) 2400 N
• D) – 2400 N

Metals are usually__________

• A) Hard and ductile
• B) Ductile and malleable
• C) Hard
• D) Hard, ductile and malleable

The shortest distance between two points is also known as the:

• A) distance
• B) displacement
• C) speed
• D) acceleration

In super oxides, the oxidation number of oxygen is:

• A) 1/2
• B) -1/2
• C) 2
• D) -2

Science does not deal with:

• A) observation
• B) subjective evidence
• C) hypothetical assumptions
• D) experimental evidence

In mammals that are seasonal breeders, females are receptive only once a year. This is called

• A) a follicular cycle
• B) a luteal cyclea
• C) an estrous cycle
• D) a menstrual cycle

All sciences for search of truth rely upon:

• A) depth of knowledgs
• B) experiential validity
• C) quality of observation
• D) clarity of hypothesis

Which of the following quantum number gives the shell number where electron occupy?

• A) s
• B) l
• C) n
• D) m

The main content of blood plasma is________.

• A) Carbon dioxide
• B) Proteins
• C) Oxygen
• D) Red blood cells

The organ that excretes carbon dioxide from the body is the:

• A) Lung
• B) Kidney
• C) Mouth
• D) Nose

The composition (by mass) of Fe in stainless steel is__________percent

• A) 96%
• B) 80.6%
• C) 67%
• D) 98%

A fundamental quantity e.g. a length of one meter, has:

• A) error as it is a theoretical value and so cannot be perfect
• B) error as it is an experimentally verified quantity so imperfect.
• C) no error as it is an experimentally verified quantity so perfect.
• D) no error as it is by definition a perfect value

Circular motion is consider as ________ where movement is along circular path.

• A) Rotatory motion
• B) Vibratory motion
• C) Translatory motion
• D) Linear motion

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