Question : The rhythmic rise and fall of ocean water twice a day is called

Option 1: Tide

Option 2: Ocean current

Option 3: Wave

Option 4: Water cycle

Question : The five key indicators of global climate change of our planet are:

Option 1: Antarctic Sea ice, Oxygen, Rainfall, Drought, and sea level

Option 2: Sea - level, Rising temperature, Rainfall, Nitrogen, and Arctic sea ice

Option 3: Arctic sea ice, Carbon dioxide, Global temperature, Sea level, and Land ice

Option 4: None of these

Question : Which physicist is known for discovering that any periodic wave can be represented as an infinite number of weighted sinusoids, i.e., the sum of sine and cosine waves?

Option 1: Louis de Broglie

Option 2: Jean-Baptiste Joseph Fourier

Option 3: Joseph-Louis Lagrange

Option 4: Ernest Walton

Question : Which of the following is not a reason for excessive cold in North India?

Option 1: Distance from sea

Option 2: Cold winds from the Caspian Sea

Option 3: Snowfall in the Himalayas

Option 4: Equatorial current

Question : The soils which are rich in calcium are known as:

Option 1: Pedocal

Option 2: Pedalfer

Option 3: Podzols

Option 4: Laterites