Science Class 6th

561. Human ear has distinct parts.

A. 4

B. 3

C. 5

D. 6

562. Solar includes ____ and all 8 planets.

A. Star

B. Moon

C. Sun

D. None

563. Planets orbit around Sun due to _____ .

A. Gravity

B. Force

C. Centripetal force

D. None

564. Mercury, Venus, Earth and Mars are _____ planets.

A. Inner

B. Outer

C. None of these

565. Jupiter, Saturn, Uranus and Neptune are _____ planets.

A. Inner

B. Outer

C. None of these

566. The unimaginable vast space in which heavenly bodies are moving is called?

A. Universe

B. Earth

C. Atmosphere

D. None of these

567. Asteroids, Comets, Stars and Planets are called?

A. Worldly bodies

B. Celestial bodies

C. Gigantic Bodies

D. None of these

568. Sun is at the ____ of solar system.

A. Side

B. Top

C. Center

D. None

569. The moon revolves around the _______

A. Sun

B. Earth

C. Stars

D. None

570. Any heavenly body that revolves around the planet is called _____ .

A. Moon

B. Satellite

C. Stars

D. None

571. Satellites are of ____ types.

A. Artificial

B. Natural

C. Both ‘a’ and ‘b’

D. None

572. The celestial body that revolves around a planet is called?

A. Satellite

B. Artificial Satellite

C. Natural Satellite

D. None of these

573. The best known natural satellite is?

A. Moon

B. Earth

C. World

D. None

574. Natural Satellites are?

A. Asteroid

B. Comets

C. Meteoroids

D. All of these

575. An object launched into earth orbit by Human Beings is called?

A. Artificial Satellite

B. Natural Satellite

C. None of these

576. First artificial satellite was launched in?

A. 1857

B. 1957

C. 1960

D. 1800

577. Artificial satellites are used in?

A. Communications

B. Industry

C. Military intelligence

D. All of these

578. Which of the following are minor planets?

A. Asteroids

B. Comets

C. Meteors

D. All of these

579. _____ are bodies of different sizes.

A. Earth

B. Asteroids

C. Sun

D. Stars

580. Asteroids move in elliptical orbits between .

A. Mars

B. Jupiter

C. Both ‘a’ and ‘b’

D. None of these