Foundation Pre-Cadet School & Academy

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The temperature of boiling water in centigrade scale is:

c. 37°C

a. 0°C

b. 32°C

d. 100°C

It takes part in the division of cell:

Chloroplast

Mitochondria

Vacuole

Centriole

These are involved in bonding of one atom to another:

c. Valence Neutrons

b. Neutron

d. Valence Electrons

a. Proton

The number of electrons that may complete the first, second, and third shell is:

c. 2, 18, 16

a. 2, 8, 10

d. 2, 8, 18

b. 2, 8, 12

When hydrocarbons burn in the presence of oxygen:

a Heat, water and carbon dioxide are produced

c Heat, water and nitrogen are produced

d None of these

b Heat, water and hydrogen are produced

Final digestion of carbohydrates, fats, and proteins occurs in the:

d. Oesophagus

c. Large intestine

a. Stomach

b. Small intestine

If the water available to plants becomes less, then stomata are closed even during the daytime. This protects plants from:

d. Transport of water

b. Respiration

a. Photosynthesis

c. Wilting

The speed of sound in the air is:

d. 630 m/s

a. 530 m/s

b. 430 m/s

c. 330 m/s

The percentage of water wasted each day by the world’s water pipelines:

d. 45%

c. 5%

b. 2%

a. 30%

Which of these parts controls what goes on inside a plant cell?

nucleus

vacuole

cell wall

cytoplasm

The process of food preservation in which bacteria is allowed to grow against harmful bacteria is called:

c. Pickling

b. Biopreservation

d. Canning

a. Dry Salting

The cations of silver, magnesium, and aluminum are respectively:

d. Ag+1, Mg+2, Al+3

a. Ag+1, Mg+2, Al+2

b. Ag+3, Mg+2, Al+1

c. Ag+1, Mg+3, Al+2

If you stay under trees at night, you can feel dizziness due to:

a. High level of oxygen and low level of carbon dioxide

c. Poisonous gases released by trees

d. Ghosts living in trees

b. Low level of oxygen and high level of carbon dioxide

The main job of the large intestine is:

d. To digest protein

b. To digest carbohydrates

a. To digest fats

c. To absorb extra water

What is the name of the row in the periodic table called?

c. Series

d. Column

a. Period

b. Group

The degree of hotness or coldness is called:

a. Thermal contraction

d. Heat

c. Temperature

b. Thermal expansion

Pasteurization is used to save:

a. Vinegar

b. Lemon

c. Milk

d. Pickles

The mass number of oxygen atom is:

a. 8

b. 16

c. 24

d. 32

To prepare onion pickle, we use:

c. Clove, pepper, cinnamon and sugar

d. Clove, pepper, cinnamon and acetic acid

b. Clove, pepper, cinnamon and nitric acid

a. Clove, pepper, cinnamon and sulphuric acid

The atomic number of an element tells the number of:

a) Electrons and neutrons

b) Protons only

c) Protons and neutrons

d) Neutrons only

What energy do you use when you eat food and run?

d. Electrical energy

c. Potential energy

b. Kinetic energy

a. Thermal energy

Which of the following is an example of a physical change?

b. Cutting paper

d. Baking a cake

a. Burning wood

c. Melting ice

The outermost shell of the chlorine atom has ………. electrons:

d) 7

c) 6

a) 1

b) 2

Solubility of CO2 in soda water:

d None of these

a increases by increasing temperature

c Both of these

b Decreases by increasing temperature

An atom has no overall charge if it contains an equal number of:

a. Electrons and neutrons

b. Electrons and protons

c. Protons and neutrons

d. Positrons and neutrons

Between the upper and lower epidermis of the leaf is:

a. Chloroplast

d. Mesophyll

c. Xylem

b. Stomata

In transverse waves, particles of the medium vibrate _______ to the direction of wave travel.

c. Perpendicular

b. Parallel

a. To and fro

d. Adjacent

Thermos bottles use a vacuum to slow the transfer of heat by:

b. Radiation

c. Conduction

d. Both a. and c.

a. Convection

Roots contain:

d. Parenchyma and mesophyll

c. Parenchyma and cortex cells

a. Phloem and cuticle

b. Xylem and mesophyll cells

What unit is commonly used to measure force?

a. Seconds

b. Meters

d. Kilograms

c. Newtons

The quantity of matter is called:

b. Weight

c. Force

d. None of these

a. Mass

A suspension which contains a large amount of insoluble solid solute is called:

b. Insoluble solution

c. Slurry

d. Both a and b

a. Plasma

A proton has a mass:

b. Less than that of an electron

c. 1837 times greater than an electron

d. 837 times greater than an electron

a. Equal to that of an electron

Which of the following is the correct word equation for respiration?

d. Glucose + Oxygen → Carbon Dioxide + Water

a. Carbon Dioxide + Water + Oxygen → Glucose

b. Carbon Dioxide + Water → Oxygen + Sunlight

c. Glucose + Oxygen → Carbon Dioxide + Water + Energy

Winter Solstice is:

a. 22 October

d. 22 December

b. 22 November

c. 22 September

The vacuum flask reduces the rate of transfer of heat by:

c. Radiation

a. Conduction

b. Convection

d. All of these

Which property changes during a physical change?

d. Molecular formula

a. Chemical composition

b. Physical state or appearance

c. Atomic structure

We walk on the ground due to:

d. Action and reaction force

a. Magnetic force

c. Friction force

b. Gravitational force

Which of the following increases the solubility of a gas in a liquid?

b. stirring

c. decreasing the temperature

d. decreasing the amount of liquid

a. increasing the temperature

What is the term used for a solution that has a lot of solute compared to the solvent?

b. Saturated

a. Dilute

d. Unsaturated

c. Concentrated

Which one of the following statements is correct?

b. m/s is the unit of displacement

c. N is the unit of force

d. 1 hr = 60 s

a. 1 m = 1000 km

Speed is how _____ an object is moving.

d. None of them

c. Medium

b. Slow

a. Fast

Aloe vera gel is good for:

b. Bones

c. Skin

d. Heart

a. Teeth

The number of _______ defines the identity of an element:

d) electrons

c) protons

a) cells

b) neutrons

What is the freezing point of water in Celsius?

b. 32°C

a. 0°C

d. 273°C

c. 100°C

When using a microscope, which of the following combinations of lenses gives the highest magnification?

X10 eyepiece and X5 objective

X5 eyepiece and X5 objective

X5 eyepiece and X10 objective

X10 eyepiece and X10 objective

A solution that contains less quantity of solute is:

d) None of these

a) Concentrated

b) Dilute solution

c) Universal solvent

It is used to prevent germs:

d. None of these

b. Sanitizer

a. Stabilizer

c. Nebulizer

When an object is at rest then the speed will be______.

d. 0

a. 1

b. 2

c. 3

How many periods are there in the Periodic Table?

c) seven

b) six

a) five

d) eight

Science Test – 1

Choose the correct option/answer.