Question Discussion & Solution

The correct answer is Punjab.

• Bhangra Dance is related to Punjab.

Key Points

• Bhangra is a type of traditional dance of the Indian subcontinent originating in Sialkot in the Majha area of Punjab.
• The dance was associated primarily with the spring harvest festival Baisakhi. 
• Bhangra referred both to formal male performances as well as to communal dancing among men and women.
• D.J. Rekha was one of the first South Asian women to bring popularity to Bhangra in the U.S.

Additional Information

• Garba is a type of Indian dance commonly performed at festivals and on other special occasions in the state of Gujarat.
• Kerala is popular for its two classical dance form 'Kathakali' and 'Mohiniyattam'.
• Folk dances of Assam include the Bihu, the Bagurumba, the Bhortal, the Satriya, Naga dance and the Ojapali.
• Odisha's famous dance forms include Odissi, Chhau, Gotipua, Danda Nata, Sambapuri, Dalkhai, Chaitighoda, and Medha Nacha.

The correct answer is option 2 i.e 19.

• Potassium is a member of the alkali group of the periodic table.
  • Symbol: K.
  • Atomic number: 19.
  • Belongs to group 1 in the periodic table.
  • First isolated in 1807 by Humphry Davy.
  • Sodium and Potassium are the elements known as soft metals(can cut with a knife with little force).
  • Potassium metal is kept in kerosene due to its high reactivity with water.
  • Potassium bicarbonate is the chemical used in fire extinguishers.
  • Potassium is the most common radioisotope in the human body.
  • Potassium is the second least dense metal after lithium.
• Atomic Number 17: Chlorine.
• Atomic Number 18: Argon.
• Atomic Number 20: Calcium.

The correct answer is Minamata.

Key Points

• Minamata disease is a disease caused by severe mercury poisoning.
• It is a neurological disease.
• Symptoms of the disease:-
  • Ataxia, general muscle weakness, numbness in the hands and feet, loss of peripheral vision, and damage to hearing and speech.

Additional Information

• Due to mining, Itai-Itai disease was caused by cadmium poisoning.
• Symptoms of Methemoglobinemia:- 
  • Headache, shortness of breath, dizziness, nausea, blue-colored skin, and poor muscle coordination.
• Poliomyelitis is caused by infection with a member of the genus Enterovirus. It is known as poliovirus.

The correct answer is Sulphur Cycle

Key Points

• The sulphur reservoir is in the soil and sediments where it is locked in organic (coal, oil and peat) and inorganic deposits (pyrite rock and sulphur rock) in the form of sulphates, sulphides and organic sulphur.
• It is released by weathering of rocks, erosional runoff and decomposition of organic matter and is carried to terrestrial and aquatic ecosystems in a salt solution.
• The sulphur cycle is mostly sedimentary except two of its compounds, hydrogen sulphide (H2S) and sulphur dioxide (SO2), which add a gaseous component.
• Sulphur enters the atmosphere from several sources like volcanic eruptions, combustion of fossil fuels (coal, diesel etc.), from the surface of the ocean and gases released by decomposition.
• Atmospheric sulphur dioxide is carried back to the earth after being dissolved in rainwater as weak sulphuric acid (acid rain).
• Sulphur bound in a living organism is carried back to the soil, to the bottom of ponds and lakes and seas through excretion and decomposition of dead organic material.

Image of Sulphur Cycle

Key Points

Thus, the correct match is A (III), B (II), C (IV), D (I)