Which of the following is NOT a scalar quantity:

• A) distance
• B) velocity
• C) mass
• D) time

A boy is applying a force to move the box along the floor, the work done by kinetic friction is ___.

• A) Zero
• B) Negative
• C) None of theses
• D) Positive

Which type of blood vessels carries blood away from the heart?

• A) Veins
• B) Arteries, veins and capillaries
• C) Capillaries
• D) Arteries

Which line represents a vector that is multiplied by a negative integer less than one
magnitude direction

• A) increases remains the same
• B) decreases remains the same
• C) decreases changes
• D) increases changes

Tension in string due to gravity at rest is always equal to______ of an object.

• A) Momentum
• B) Mass
• C) Density
• D) Weight

The organ that produces urea and uric acid as a by-product of the breakdown of proteins is the:

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

The organelle that contains genetic materials is called ________.

• A) Mitochondria
• B) Cytoplasm
• C) Ribosomes
• D) Nucleus

________ Bond is form by the complete transform of electrons

• A) ovalent
• B) co-ordinate covalent
• C) Ionic
• D) all of these

Lakes to freeze from the top down due to:

• A) The confinement properties of the boundaries of the lake
• B) The quantity of salt in water
• C) The high specific heat of water
• D) The anomalous behavior of the expansion of water between 0° C and 4° C

a person sitting in his office reading a lengthy report comprising 800 pages is according to physics definition of work is:

• A) doing work
• B) losing energy
• C) not doing work
• D) gaining energy

The ring shape unsaturated hydrocarbons are known as________.

• A) Acyclic compounds
• B) Aliphatic compounds
• C) Isomers compounds
• D) Aromatic compounds

The elements of group 18 are called____

• A) Nobel gases
• B) Transition elements
• C) Typical elements
• D) Normal elements

One degree of Celsius is equal to?

• A) 2.12 degrees of Fahrenheit scale
• B) One degree of Fahrenheit scale
• C) 1.8 degrees of Fahrenheit scale
• D) 3.2 degrees of Fahrenheit scale

Stainless steel alloy of iron does not corrode due to _________ metal.

• A) Oxygen (O2)
• B) Chromium (Cr)
• C) Carbon (C)
• D) Tin (Sn)

A mass is projected vertically downwards. Just at the point of impact with the ground its total energy is:

• A) 50% Gravitational Potential and 50% Kinetic Energy
• B) 0% Gravitational Potential and 100% Kinetic Energy
• C) 75% Gravitational Potential and 25% Kinetic Energy
• D) 25% Gravitational Potential and 75% Kinetic Energy

A kilowatt hour is a unit of

• A) force
• B) energy
• C) time
• D) power

Mass of astronaut is m=50 kg. What is astronaut’s mass on moon where value of g = 1.6 m/s2?

• A) 80 kg
• B) 32 kg
• C) 100 kg
• D) 50kg

Interactions beween biotic populations and abiotic factors in a community

• A) community
• B) ecosystem
• C) biosphere
• D) population

Ionic bond usually formed between two elements having large difference of_______________.

• A) Electronegativity
• B) Atomic sizes
• C) Ionization energy
• D) Electron affinity

The value of the coefficient of thermal expansion of a solid depends on the choice of:

• A) The unit of length as well as of temperature
• B) The unit to length and not of temperature
• C) The unit of temperature and not of length
• D) Neither the unit of length nor of temperature