Vidya Vaibhav (Olympiad) Quiz Competition

Which of the following is a non-renewable source of energy?

• Solar energy

• Wind energy

• Coal

• Hydroelectric energy

Transport of water & minerals in plants takes place through?

• Xylem

• Phloem

• Roots

• Leaves

Which phenomenon is shown here?

• Dispersion of light

• Tyndal Effect

• Suspension

• Rainbow formation

Which instrument is used to measure electric current?

• Voltmeter

• Odometer

• Ammeter

• Galvanometer

What is the speed of light in vacuum?

• 3 × 10⁶ m/s

• 3 × 10⁷ m/s

• 3 × 10⁸ m/s

• 3 × 10⁹ m/s

Which gas is most abundant in the Earth's atmosphere?

• Carbon dioxide

• Oxygen

• Hydrogen

• Nitrogen

Which element is known as the building block of life?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Name the process by which plants lose water through minute openings in their leaves?

• Transpiration

• Evaporation

• Transportation

• Guttation

Identify the item?

• Flask

• Test tube

• Beaker

• Graduated Cylinder

Far point of normal human eye is at infinity?

• True

• False