___________is the most reactive non-metal.

• A) F
• B) Cl
• C) Br
• D) I

The period of cell division is called ________.

• A) Meiosis
• B) Interphase
• C) Cytokinesis
• D) Mitosis

Left ventricle pushes blood towards………

• A) tricuspid vale
• B) hearts
• C) aorta
• D) lungs

Gradient of line of Velocity-time graph is representing _________ .

• A) Acceleration
• B) Distance
• C) Velocity
• D) Speed

The study of motion of objects with reference to mass and force and the subsequent change of motion is called

• A) general relativity
• B) kinematics
• C) dynamics
• D) mechanics

If wavelength of an electromagnetic wave reduced to half of original at constant speed, the frequency of this wave will be _____________.

• A) Decreases 1/2 times
• B) Increases 2 times
• C) Increases 1/2 times
• D) Decreases 2 times

In using the equations of motion all quantities having direction same as the initial velocity are taken as

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

A 15 gm bullet is fired from a 7.5 kg gun at 380 m/s. The momentum of the gun will be:

• A) 2850 Ns
• B) 5700 Ns
• C) 2850000 Ns
• D) 5.7 Ns

The removal of undigested matter from body is called ________.

• A) Elimination
• B) Absorption
• C) Assimilation
• D) Indigestion

Through ---------- material, light can pass but scattered in different directions

• A) Transparent
• B) Refraction
• C) Reflection
• D) Translucent

The fundamental unit of mass is:

• A) ounce
• B) kilogram
• C) gram
• D) pound

-------------is combined with iron to make steel

• A) Iodine
• B) Sulphur
• C) Magnesium
• D) Carbon

A single living thing

• A) none of the these
• B) community
• C) organism
• D) population

Rusting of iron is an example of _________ reaction.

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

A car travels at 10 km/hr for 2 hours and then at 13 km/hr for 1 hour. What is the value of average speed in km/hr?

• A) 17km/hr
• B) 11km/hr
• C) 8km/hr
• D) 15km/hr

The atom, which provides the electron pair, is called_________

• A) accepter
• B) receiver
• C) Donor
• D) gainer

In hot dip method, sheets of iron are dipped in molten

• A) Sodium
• B) Tin
• C) Zinc
• D) Mercury

Which of the following is a derived unit:

• A) Ampere
• B) Newton
• C) Kilogram
• D) Kelvin

The reaction in which one substance is replaced by another substance is called _________.

• A) Neutralization reaction
• B) Elimination reaction
• C) Substitution reaction
• D) Addition reaction

The post house of a cell is known as ________.

• A) Nucleus
• B) Golgi apparatus
• C) Centrioles
• D) Lysosomes