#1 Which of the following device is used to measure humidity?
A hygrometer is an instrument used to measure relative humidity. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer.
#2 Land and sea-breezes occur due to –
One of the most common examples of natural convection is the phenomena of sea and land breeze. Sea breeze: This phenomenon occurs during the day. The sun heats up both sea surface and land. … The land quickly loses heat when compared to water due to the differences in heat capacity.
#3 The term ‘epicentre’ is associated with –
The epicenter, epicentre /ˈɛpɪsɛntər/ or epicentrum in seismology is the point on the Earth’s surface directly above a hypocenter or focus, the point where an earthquake or an underground explosion originates.
#4 The lowest layer of the atmosphere is –
The troposphere is the lowest layer of the Earth’s atmosphere. The air is very well mixed and the temperature decreases with altitude. Air in the troposphere is heated from the ground up. The surface of the Earth absorbs energy and heats up faster than the air does.
#5 Which one among the following states is smallest in the area?
Tamil Nadu, a South Indian state, is famed for its Dravidian-style Hindu temples. In Madurai, Meenakshi Amman Temple has high ‘gopuram’ towers ornamented with colourful figures. On Pamban Island, Ramanathaswamy Temple is a pilgrimage site. The town of Kanyakumari, at India’s southernmost tip, is the site of ritual sunrises. Capital Chennai is known for beaches and landmarks including 1644 colonial Fort St. George.