Max Plank won Noble Prize in Physics in 1918 for the discover of?

• A. Time constant
• B. Energy quantum
• C. Heat contant
• D. Wave constant

Which among the following instruments is used to measure the amount of liquid precipitation (rain) over a set period of time?

• A. Hygrometer
• B. Rain guage
• C. Pedometer
• D. Barometer

Par second is a unit to measure?

• A. Time
• B. Speed
• C. Distance
• D. Force

Satoma, found in the epidermis of leaves closes when guard cells?

• A. Gain water
• B. Lose water
• C. Exchange gas
• D. None of these

Iron and Steel structure are damages by?

• A. Carbon monoxide
• B. Sulphur dioxide
• C. Carbon dioxide
• D. Methane

Inflammation of liver is caused by?

• A. Cholera
• B. Hepatitis
• C. Tyohoid
• D. Jaundice

Paris climate agreement was adopted in?

• A. 2014
• B. 2015
• C. 2016
• D. 2017

A camera uses Convex lens to form an image which is?

• A. Real, inverted, magnified
• B. Real, inverted, diminished
• C. Virtual, inverted, magnified
• D. Real, upright, diminished

The United Nations Conference on Environment and Development knew as RIO Summit was held in?

• A. 1990
• B. 1991
• C. 1992
• D. 1993

What is the speed of sound in air?

• A. 1347km/h
• B. 1235km/h
• C. 1290km/h
• D. 1495km/h