General Science Class 7

How many years our solar system takes to one orbit around Milky Way galaxy?

1. 250
2. 225
3. 300
4. 275

Light reaches us from the Sun is about 8 minutes and from Sirius in about:

1. 8 minutes
2. 8 days
3. 8 months
4. 8 years

Nebulae are made up of:

1. Oxygen (97%) and Nitrogen (3%)
2. Hydrogen (97%) and Helium (3%)
3. Carbon (50%) and Nitrogen (50%)
4. Helium (97%) and Hydrogen (3%)

A region of space where matter has collapsed in on itself is called a?

1. White Dwarf
2. Wormhole
3. Black Hole
4. Neutron Star

A group of stars in the sky that, when viewed from Earth, create an outline of some recognizable shape or pattern is called:

1. Constellation
2. Nebula
3. Asterism
4. Galaxy

A telescope is an instrument that gathers ____from distant sources.

1. Sound
2. Light
3. Heat
4. Water

Who invented the telescope?

1. Isaac Newton
2. Albert Einstein
3. Galileo Galilei
4. Johannes Kepler

ECG is used for the diagnosis of the ailment of the:

1. Brain
2. Heart
3. Liver
4. Kidneys

Read More: General Science MCQs for all class and competitive exams test preparation.