Question Discussion & Solution

The correct answer is Mr. Bulaki Das Kalla.

• As of June 2020, Mr. Bulaki Das Kalla is the Cabinet Minister of Culture and Archeology in Rajasthan.

Key Points

• Mr. Bulaki Das Kalla's constituency is Bikaner, Rajasthan.
• He is associated with the Indian National Congress.
• He is currently holding the portfolio of Cabinet Minister of Energy, Public Health & Engineering, Ground Water, Art, Literature, Culture & Archeology.

Additional Information

• Mr. Sachin Pilot is the Deputy Chief Minister of Rajasthan.
• Mr. Ashok Gehlot is the Chief Minister of Rajasthan.
• Mr. Shanti Kumar Dhariwal is the Minister of Local Self Government, Urban Development & Housing Department, Rajasthan.

A drone is a male honey bee. Similarly, A male deer is called stag.

The correct answer is Bacteria.

Key Points

• The cause of dysentery is usually the bacteria Shigella, in which case it is known as shigellosis, or the amoeba Entamoeba histolytica. Other causes may include certain chemicals, other bacteria, protozoa, or parasitic worms.
• Amoebic dysentery is caused by the protozoan parasite Entamoeba histolytica. It is transmitted in areas where poor sanitation allows contamination of drinking water and food with feces. In these areas, up to 40% of people with diarrhea may have amoebic dysentery.

Important Points

• Disease caused by Viruses:
  • Chickenpox - It is caused by the Varicella-zoster virus
  • Small Pox - It is caused by the Variola virus
  • Common Cold -It is caused by Rhinovirus
  • AIDS (Acquired Immuno Deficiency Syndrome) - It is caused by Human Immunodeficiency Virus (HIV)
  • Measles -It is caused by the Measles virus
  • Mumps -It is caused by the Mumps virus
  • Rabies - It is caused by the Rabies virus (Rhabdoviridae family)
  • Dengue fever -It is caused by the Dengue virus
  • Viral encephalitis - It is an inflammation of the brain. It is caused by the rabies virus, Herpes simplex, poliovirus, measles virus, and JC virus
• Disease caused by Bacteria:

  • Whooping Cough - It is caused by a bacterium called Bordetella pertussis.

  • Diphtheria - It is caused by Corynebacterium diphtheriae.
  • Cholera - It is caused by Vibrio cholera
  • Leprosy - It is caused by Mycobacterium leprae.
  • Pneumonia- It is caused by Streptococcus pneumonia
  • Tetanus - It is caused by Clostridium tetani
  • Typhoid - It is caused by Salmonella typhi
  • Tuberculosis - It is caused by Mycobacterium tuberculosis
  • Plague - It is caused by Yersinia pestis
• Disease Caused by Protozoans: 
  • Malaria is spread by Anopheles mosquitoes. The Plasmodium parasite that causes malaria is neither a virus nor a bacteria
  • Amoebic dysentery: It is caused by Entamoebahistolytica.
  • Sleeping sickness:  It is caused by Trypanosomabrucei.
  • Kala-azar It is caused by Leishmaniadonovani.
• Disease Caused by Worms
  • Tapeworm: They are intestinal parasites. It cannot live on its own. It survives within the intestine of an animal including a human
  • Filariasis: It is caused by a thread
  • Pinworm: It is caused by a small, thin, white roundworm called Enterobiusvermicularis.

The correct answer is Natural Gas.

Key Points

•  Fossil Fuel: Fossil Fuels are the fuels generated from the residues of living organisms (which remained buried under the earth for millions of years).
  • Examples: Coal, Petroleum, and Natural gas.
  • They are also known as Non-Renewable Natural Resources.​

 Additional Information

• Natural Gas: It is considered the best fuel because of the inflammable nature of its constituents(83% methane and 16%ethane).
  • It is used in the production of artificial chemical fertilizers. 
• Coke: It is obtained by the strong heating of coal in the absence of air as a residual substance. 
  • It contains 80-85% carbon.
  • Coke is used in the extension of metals as a reducing agent.
• Producer Gas: It is a mixture of nitrogen and carbon monoxide(in 2:1 ratio).
  • It is used in the manufacture of glass and for metallurgy. 

Data for B+ Tree:

Disk Block size = D= 256 byte

Block pointer = B = 2 byte

Key field = K = 8 byte.

Order = p

Formula:

p × 2 + (p – 1) (8) ≤ 256

Calculation:

p × 2 + (p – 1) (8) ≤ 256

2p + 8p ≤ 264

p ≤ 26.4

∴ p = 26