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)

There is no deviation in the path of ray of light when it passes through -------------- of a lens.

• A) Pole
• B) Centre of curvature
• C) Optical centre
• D) Focus

The genes of chromosomes consist of ________.

• A) Genesis
• B) Deoxyribonucleic acid
• C) Dominant genesis
• D) Alleles

The purest form of iron produced when impurities are removed is known as:

• A) Steel
• B) Wrought Iron
• C) Pig Iron
• D) Cast Iron

What is the main job of the red corpuscles in the blood?

• A) To clot blood
• B) To transport oxygen to the body's cells and carry away carbon dioxide from the cells
• C) To transport carbon dioxide to the body's cells and carry away oxygen from the cells
• D) To fight disease

The reaction of acid-base in which salt and water is formed is known as:

• A) Hydrolysis
• B) Neutralization
• C) Hydration
• D) Oxidation

A -----------mirror is used by dentists to focus light on the tooth of a patient:

• A) Concave
• B) Cylindrical
• C) Plane
• D) Convex

Metals are good conductor of heat and electricity because metals_______.

• A) Have higher electronegativity
• B) Are good oxidizing agent
• C) Lose electrons easily
• D) Gain electrons easily