Question : Which of the following seas has the highest salinity?
Option 1: Red Sea
Option 2: Black Sea
Option 3: Dead Sea
Option 4: Arabian Sea
Correct Answer: Dead Sea
Solution : The correct answer is the Dead Sea.
Fresh water has a salinity of 0-5 parts per thousand (ppt), brackish water has 5-35 ppt, and ocean water has a salinity greater than 35 ppt. The Dead Sea has a salinity of 340 ppt and is the most saline water body on Earth. It is located between Israel and Jordan. The sea is situated at the Earth's lowest point on land, and its shores are the Earth's lowest elevation on dry land.
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Question : Which of the following Indian rivers flows westward and falls into the Arabian Sea?
Option 1: Narmada
Option 2: Ganga
Option 3: Mahanadi
Option 4: Godavari
Question : Which of the following types of soil is best suited for cotton cultivation ?
Option 1: Black
Option 2: Red
Option 3: Laterite
Option 4: Mountain
Question : Which of the following waves has the highest frequency?
Option 1: Radio
Option 2: Infrared
Option 3: Microwaves
Option 4: Gamma-rays
Question : Which of the following metals in pure form has the highest melting point?
Option 1: Gold
Option 2: Tungsten
Option 3: Copper
Option 4: Platinum
Question : Which of the following has the highest penetrating power?
Option 1: Alpha ray
Option 2: Beta ray
Option 3: Gamma ray
Option 4: Delta ray
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