Olete.in – MCQs, Mock Tests & Government Job Prep | TET Environmental Science / Studies (EVS) for TET

Renewable source of energy is

1. Coal
2. Petroleum
3. Plants
4. Uranium

✅ Correct Answer: 3

Full form of CNG is

1. Common National Gas
2. Compressed Natural Gas
3. Common Natural Gas
4. Cirtified Natural Gas

✅ Correct Answer: 2

Nuclear family refers to

1. Any family born after 1950
2. Family includes parents and their children
3. Entire family including children, their parents and grandparents
4. Only husband and wife

✅ Correct Answer: 2

Which country has the maximum number of tube-wells in the world ?

1. America
2. Australia
3. China
4. India

✅ Correct Answer: 4

Which of the following is not an air pollutant ?

1. Smoke
2. Carbon Dioxide
3. Nitrogen Gas
4. Sulphur Dioxide

✅ Correct Answer: 3

Which part of plant evaporates water ?

1. Stomata
2. Fruit
3. Branch
4. Root

✅ Correct Answer: 1

In elbow and knee joints, the bones can move in -

1. all directions
2. four directions
3. one directions
4. two directions

✅ Correct Answer: 3

Which energy is converted into electrical energy by a solar cell ?

1. Chemical Energy
2. Nuclear Energy
3. Solar Energy
4. Magnetic Energy

✅ Correct Answer: 3

Carrier of Dengue disease is

1. Aedes Mosquito
2. Culex Mosquito
3. Housefly
4. Anopheles Mosquito

✅ Correct Answer: 1

Wildlife Week is celebrated on

1. 1st October to 7th October
2. 15th October to 2 1st October
3. 1st June to 7th June
4. 15th June to 21st June

✅ Correct Answer: 1

In which state of matter, the distance between the molecules is minimum ?

1. Solid
2. Liquid
3. Gas
4. Plasma

✅ Correct Answer: 1

The biochemical laboratory of human body is

1. Stomach
2. Liver
3. Intestine
4. Kidney

✅ Correct Answer: 2

Which state of India is known as 'Tiger State'?

1. Gujarat
2. West Bengal
3. Madhya Pradesh
4. Assam

✅ Correct Answer: 3

Habitat of Dog Fish is

1. River
2. Pond
3. Lake
4. Sea

✅ Correct Answer: 4

Which of the following has maximum speed ?

1. Air
2. Water Current
3. Sound
4. Light

✅ Correct Answer: 4

Tobacco addiction is caused due to

1. Cocaine
2. Caffeine
3. Nicotine
4. Histamine

✅ Correct Answer: 3

Sugar is form of ______________

1. ProteinB.C..
2. Carbohydrate
3. Fat
4. Water

✅ Correct Answer: 2

The mosquito repellent (coils, mats and liquids) that we generally use in our homes are:

1. Pesticides
2. Fertilizers
3. Sedatives
4. Insecticides

✅ Correct Answer: 4

The young ones of the frog are called:

1. Young frogs
2. Frog cubs
3. Puppies
4. Tadpoles

✅ Correct Answer: 4

How many muscles are there in a human body?

1. 600
2. 700
3. 800
4. 900

✅ Correct Answer: 1

A battery or cell converts ________________ energy into electrical energy

1. Solar
2. Heat
3. Mechanical
4. Chemical

✅ Correct Answer: 4

We have days and nights because of:

1. Earth's rotation
2. Earth's revolution
3. Sun's rotation
4. Sun's revolution

✅ Correct Answer: 1

Which of the following plays an important role in the cause of rainfall

1. EvaporationB
2. Condensation
3. Both evaporation & condensation
4. Filtration

✅ Correct Answer: 3

The process of solid changing into liquid upon the supply of heat is called:

1. Condensation
2. Evaporation
3. Melting
4. Boiling

✅ Correct Answer: 3

Our sun is:

1. Planet
2. Satellite
3. Comet
4. Star

✅ Correct Answer: 4

During summer the earth is

1. Closer to the sun
2. Away from the sun
3. Closer to the moon
4. Away from the moon

✅ Correct Answer: 1

When we exhale, our lungs have to:

1. Contract
2. Expand
3. Be still
4. None of the above

✅ Correct Answer: 1

Which of the following is a biodegradable waste?

1. Plastics
2. Polythene
3. Glass
4. None of these

✅ Correct Answer: 4

During breathing which gas is most required by us?

1. Hydrogen
2. Oxygen
3. Carondioxide
4. Nitrogen

✅ Correct Answer: 2

Paper is mainly made up of:

1. Cellulose & starch
2. Polythene & cotton
3. Bamboo & grass
4. Sunflower & Maize

✅ Correct Answer: 3

Which one is non luminous

1. Moon
2. sun
3. star
4. comet

✅ Correct Answer: 1

When some sugar is dissolved in a glass of water, the water level:

1. Increases
2. Decreases
3. Remains the same
4. None of These

✅ Correct Answer: 3

Non-green plants like mushroom can't make their own food because:

1. They are too small
2. They lack chlorophyll
3. They lack photo-tropism
4. They lack roots to suck water

✅ Correct Answer: 2

The nature of relationship between condensation & evaporation is:

1. They are the same
2. They are opposite
3. They are similar but not in all respects
4. None of These

✅ Correct Answer: 2

We slip very easily on a wet floor because

1. Water reduces the friction
2. Water increases the friction
3. We slip because we lose our balance
4. None of the above

✅ Correct Answer: 1

A human body consists of ________ number of bones

1. 205
2. 206
3. 207
4. 208

✅ Correct Answer: 2

Which of the following is not a part of the excretory system?

1. Eyes
2. Kidneys
3. Lungs
4. Skin

✅ Correct Answer: 1

Which is called powerhouse of the cell?

1. Lysosome
2. Lysosome
3. Ribosomes
4. Mitochondria

✅ Correct Answer: 4

Our head is made up of only one movable bone; it is called:

1. Skull
2. Cranium
3. Jawbone
4. Collarbone

✅ Correct Answer: 3

In which one of the following sound travels fast

1. Solid
2. Air
3. water hammer
4. Vacuum

✅ Correct Answer: 1

What type of radiation is trapped on the earth's surface by the green house effect?

1. UV rays
2. ? -rays
3. X-rays
4. IR rays

✅ Correct Answer: 1