When two equal and opposite vectors are subtracted from one another the resultant is

• A) Zero
• B) half of the original vector
• C) the original vector
• D) twice the original vector

The boiling point of chlorine is:

• A) -24.8 C
• B) -46.7 C
• C) -34.6 C
• D) -12.4 C

Which of the following is not a derived quantity:

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

Valencies of Nobel gasses in general are________

• A) Three
• B) zero
• C) two
• D) one

For a force F acting at an angle ? above the horizontal the components along the x and the y axis are equal. The angle ? in degrees between the Force and the horizontal is:

• A) 60
• B) 0
• C) 45
• D) 30

The amount of energy released or absorbed when elections are added in a atom is known as__________.

• A) Electronegativity
• B) Electron affinity
• C) Activation energy
• D) Ionization energy

Triple covalent bond present in________ molecule

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

Digestion of protein, carbohydrates and lipids take place in which part of digestive system?

• A) Large intestine
• B) Liver
• C) Stomach
• D) Small intestine

Seed is formed from the ……..

• A) zygote
• B) Pollination
• C) stamen
• D) carpel

A body moving in a straight line is an example of:

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

A collection of interacting populations

• A) Population
• B) community
• C) species
• D) organism

The halogen atom that is the most basic in nature is________.

• A) I-
• B) F-
• C) Br-
• D) Cl-

In anaphases I the chromosomes contains one pair of ________.

• A) Daughter nucleosomes
• B) Sister chromatids
• C) Sister nucleosomes
• D) Daughter chromatids

Sum of all types of energy that an object can possess is called______.

• A) Power
• B) Density
• C) Temperature
• D) Heat

When a small amount of acid is added in water, _________ phenomena occurs.

• A) Dilution
• B) Ionization
• C) Neutralization
• D) Salt Formation

The gas law giving the relationship between “V” and “P” of a gas is

• A) Boyle’s Law
• B) Dalton’s law
• C) Charles’s Law
• D) Graham’s Law

A physical quantity which requires a unit and a number to be described fully is known as a

• A) derived quantity
• B) vector
• C) fundamental quantity
• D) scalar

The first step in the scientific method or process is:

• A) observation
• B) predication
• C) experimentation
• D) hypothesis

If you applied a force of 200 N on an object with mass m but the object does not move. We can say that___________.

• A) The object has too much mass
• B) Newton second law of motion is not valid here
• C) Newton 1st law of motion is not valid here
• D) There is a force of 200N in the opposite direction

Antigens are ________.

• A) a and c
• B) Type of red blood cells identify the blood group
• C) Formed on surface of red blood cells
• D) Complexes of sugar