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(NTSE - Mixed Test) - Class VIII

Description: NTSE Important Questions
Number of Questions: 25
Created by:
Tags: NTSE Science Practice Test General Biology General Knowledge Circles Circle Circle and Conics Computer Basics Computer Aptitude Computer Knowledge
Attempted 0/25 Correct 0 Score 0

Which of the following forms of carbon occurs naturally?

  1. Coke

  2. charcoal

  3. asphalt

  4. diamond


Correct Option: D

Which of the following gases remains liquid at -880C?

  1. ethane and methane

  2. ethane and propane

  3. propane and butane

  4. butane and ethane


Correct Option: C

Graphite differs from diamond because graphite is

  1. slippery to touch and good conductor of electricity

  2. slipperty to touch and very good conductor of heat

  3. grayish black in colour and bad conductor of electricity

  4. grayish black in colour and very good conductor of heat


Correct Option: A

The force acting on a unit area is called

  1. surface tension

  2. buoyant force

  3. pressure

  4. thrust


Correct Option: C

At sea level the height of mercury column in barometer will be

  1. 92 cm

  2. 76 cm

  3. 74 cm

  4. 102 cm


Correct Option: B

Bar is a unit of

  1. atmospheric pressure

  2. water pressure

  3. buoyant force

  4. none


Correct Option: A

Like poles of two magnets

  1. attract each other

  2. repel each other

  3. neither attract nor repel

  4. first attract then repel


Correct Option: B

In electric bells, the magnet used is

  1. permanent magnet

  2. bar magnet

  3. temporary magnet

  4. none of the above


Correct Option: C

The heating element is made of

  1. iron

  2. silver

  3. zinc

  4. chromium


Correct Option: D

Which of the following energy is converted to electrical energy in a cell

  1. mechanical energy

  2. chemical energy

  3. solar energy

  4. potential energy


Correct Option: B

Bronze contains

  1. copper and nickel

  2. copper and cromium

  3. copper and tin

  4. copper and zinc


Correct Option: C

The ore of thorium is

  1. ilmenite

  2. monazite

  3. pitchblende

  4. galena


Correct Option: B

Which of the following is lighter than water?

  1. potassium

  2. sulpher

  3. iodine

  4. copper


Correct Option: A

In myopia the image of distant object is formed

  1. on the retina

  2. behind retina

  3. before retina

  4. over retina


Correct Option: C

Eye piece of a telescope forms a

  1. real image

  2. virtual image

  3. diminished image

  4. none


Correct Option: B

Hydrocarbon contains

  1. carbon and hydrogen

  2. carbon and oxygen

  3. carbon and nitrogen

  4. carbon and carbon dioxide


Correct Option: A

The average thickness of earth's crust is

  1. 45 km

  2. 35 km

  3. 39 km

  4. 50 km


Correct Option: B

Which of the following occur in their pure state?

  1. copper

  2. iorn

  3. zinc

  4. gold


Correct Option: D

In dry cell anode is made up of

  1. copper

  2. carbon

  3. zinc

  4. iron


Correct Option: B

Porcelain is made from

  1. clay

  2. Kaolin

  3. quartz

  4. white clay


Correct Option: D

Which of the following is a non-metallic mineral?

  1. hematitie

  2. magnetite

  3. gypsm

  4. galena


Correct Option: C

If a lens diverges a parallel beam of light

  1. planoconvex

  2. convex

  3. cylindrical

  4. concave


Correct Option: D

Which metals have tendency to form compounds?

  1. more reactive metals

  2. less reactive metals

  3. both the above

  4. none of the above


Correct Option: A

South-Indian temples are made of

  1. limestone

  2. sandstone

  3. granite

  4. concrete


Correct Option: C

Which of the following is used in endoscopy?

  1. Optical fibres

  2. Glass fibres

  3. Glass wool

  4. None of these


Correct Option: A
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