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Question 381

Kolkata Police SI 2018• Full Test

Who discovered the Polio Vaccine ?

  1. AOption (a)

    Konrad Zuse

  2. BOption (b)

    Jonas Salk

  3. COption (c)

    Louis Pasteur

  4. DOption (d)

    Eli Whitney

View answer & explanation

Correct answer

Answer: (b)B.

Jonas Salk

Why this answer is correct

The correct answer is Jonas Salk.

Key Points

  • An inactivated (killed) polio vaccine (IPV) was developed by Dr. Jonas Salk and was first used in 1955.
  • A live attenuated (weakened) oral polio vaccine (OPV) developed by Dr. Albert Sabin and first used in 1961.

Important Points

Konrad Zuse- He invents the world's the first programmable computer. - The functional program-controlled Turing-complete Z3 became operational in May 1941.
Eli Whitney- He is the inventor of the cotton gin but most important for developing the concept of mass production of interchangeable parts.
Edward Jenner- He discovers vaccination for smallpox.
Michiaki Takahashi- He develops a vaccine for the virus of chickenpox.
Louis Pasteur- He is best known for inventing the process that bears his name, pasteurization. - Pasteurization kills microbes and prevents spoilage in beer, milk, and other goods.

Question 382

Kolkata Police SI 2018• Full Test

Damodar river originates from:-

  1. AOption (a)

    Himalayas

  2. BOption (b)

    Chhotanagpur plateau

  3. COption (c)

    Rajmahal plateau

  4. DOption (d)

    Eastern Ghats

View answer & explanation

Correct answer

Answer: (b)B.

Chhotanagpur plateau

Why this answer is correct

The correct answer is Chhotanagpur plateau.

Important Points

  • The source of the Damodar river is Chota Nagpur Plateau (Palamau hills in Jharkhand) and the mouth is Hooghly River, Rupnarayan River.
  • The river bifurcates into two channels at Beguahana.
  • The main flow passes through the Mundeswari channel and discharges into Rupnarayan.
  • The other one Amta channel carries discharge during high floods and outfalls into the Hooghly.
  • There are 4 dams on the Damodar river:
  • Tilaiya dam on Barakar river.
  • Konar dam.
  • Maithon dam.
  • Panchet hill dam.

Additional Information

  • The tributaries of the Hooghly river are Mayurakshi, Jalangi, Ajay, Damodar, Rupnarayan, and Haldi rivers.
  • Damodar valley is home to the largest coal mines in the Jharkhand-West Bengal coal belt located in Jharia (largest coalfield of India)

Question 383

Kolkata Police SI 2018• Full Test

‘Jallikattu’, is a sport, popular in:-

  1. AOption (a)

    Karnataka

  2. BOption (b)

    Tamil Nadu

  3. COption (c)

    Andhra Pradesh

  4. DOption (d)

    Kerala

View answer & explanation

Correct answer

Answer: (b)B.

Tamil Nadu

Why this answer is correct

The correct answer is Tamil Nadu.

Key Points

  • Jallikattu is typically practiced in the Indian state of Tamil Nadu as a part of Pongal celebrations on Mattu Pongal day, which occurs annually in January.
  • It involves releasing a bull into a crowd of people where participants attempt to grab its hump and ride it for as long as possible.

 

Additional Information

  • Maramadi Bull Surfing race is famous in Kerala.
  • Vallam Kali or traditional snake boat race famous sport in Kerala.
  • Hori Habba is another rural sport practiced mainly in the Shivamogga districts of Karnataka.
  • Bullock cart race in Maharashtra was a popular tradition in various parts of the state known as Bailgada Sharyat.
  • Pallanguzhi is a Tamil traditional indoor board game.
  • Dhopkhel is a ball game from Assam state played between two teams during the festival of Bihu.
  • Camel Racing is famous in Rajasthan.

Question 384

Kolkata Police SI 2018• Full Test

Direction:- Study the following information carefully to answer these questions.

A, B, C, D, E, F, G and H are sitting around a circle facing the centre. F is third to the right of C and second to the left of H. D is not an immediate neighbour of C or H. E is to the immediate right of A who is second to the right of G

Who is the immediate right of C ?

  1. AOption (a)

    D

  2. BOption (b)

    B

  3. COption (c)

    E

  4. DOption (d)

    B or D

View answer & explanation

Correct answer

Answer: (b)B.

B

Why this answer is correct

According to the given information :

A, B, C, D, E, F, G and H are sitting around a circle facing the centre.

  1. F is third to the right of C and second to the left of H.

2) D is not an immediate neighbour of C or H.

  1. E is to the immediate right of A who is second to the right of G.

So, we get :

Thus, B is immediate right of C. 

Hence, the correct answer is "B".

Question 385

Kolkata Police SI 2018• Full Test

Direction:- Study the following information carefully to answer these questions.

A, B, C, D, E, F, G and H are sitting around a circle facing the centre. F is third to the right of C and second to the left of H. D is not an immediate neighbour of C or H. E is to the immediate right of A who is second to the right of G

Who is second to the left of C ?

  1. AOption (a)

    E

  2. BOption (b)

    B

  3. COption (c)

    A

  4. DOption (d)

    D

View answer & explanation

Correct answer

Answer: (c)C.

A

Why this answer is correct

According to the given information :

A, B, C, D, E, F, G and H are sitting around a circle facing the centre.

According to the given information :

A, B, C, D, E, F, G and H are sitting around a circle facing the centre.

  1. F is third to the right of C and second to the left of H.

2) D is not an immediate neighbour of C or H.

  1. E is to the immediate right of A who is second to the right of G.

So, we get :

So, A is second to the left of C.

Hence, the correct answer is "A".

Question 386

Kolkata Police SI 2018• Full Test

Direction:- Study the following information carefully to answer these questions.

A, B, C, D, E, F, G and H are sitting around a circle facing the centre. F is third to the right of C and second to the left of H. D is not an immediate neighbour of C or H. E is to the immediate right of A who is second to the right of G

Which of the following is the correct position of B with respect of H ?

i. Second to the right

ii. Fourth to the right

iii. Third to the left

iv. Second to the left

  1. AOption (a)

    iii

  2. BOption (b)

    ii

  3. COption (c)

    i

  4. DOption (d)

    Both ii and iii

View answer & explanation

Correct answer

Answer: (b)B.

ii

Why this answer is correct

According to the given information :

According to the given information :

A, B, C, D, E, F, G and H are sitting around a circle facing the centre.

  1. F is third to the right of C and second to the left of H.

2) D is not an immediate neighbour of C or H.

  1. E is to the immediate right of A who is second to the right of G.

So, we get :

So, B is fourth to the right of H. 

Hence, the correct answer is "Fourth to the right**".**

Question 387

Kolkata Police SI 2018• Full Test

Direction:- Study the following information carefully to answer these questions.

A, B, C, D, E, F, G and H are sitting around a circle facing the centre. F is third to the right of C and second to the left of H. D is not an immediate neighbour of C or H. E is to the immediate right of A who is second to the right of G

Which of the following pair of persons has first person sitting to the right of the second person ?

  1. AOption (a)

    FG

  2. BOption (b)

    DB

  3. COption (c)

    CB

  4. DOption (d)

    HA

View answer & explanation

Correct answer

Answer: (b)B.

DB

Why this answer is correct

According to the given information :

A, B, C, D, E, F, G and H are sitting around a circle facing the centre.

  1. F is third to the right of C and second to the left of H.

2) D is not an immediate neighbour of C or H.

  1. E is to the immediate right of A who is second to the right of G.

So, we get :

'DB' pair of persons has first person sitting to the right of the second person.

Hence, the correct answer is "DB".

Question 388

Kolkata Police SI 2018• Full Test

Direction:- Study the following information carefully to answer these questions.

A, B, C, D, E, F, G and H are sitting around a circle facing the centre. F is third to the right of C and second to the left of H. D is not an immediate neighbour of C or H. E is to the immediate right of A who is second to the right of G

Who sits between G and D ?

  1. AOption (a)

    F

  2. BOption (b)

    D

  3. COption (c)

    H

  4. DOption (d)

    E

View answer & explanation

Correct answer

Answer: (a)A.

F

Why this answer is correct

According to the given information :

A, B, C, D, E, F, G and H are sitting around a circle facing the centre.

  1. F is third to the right of C and second to the left of H.

2) D is not an immediate neighbour of C or H.

  1. E is to the immediate right of A who is second to the right of G.

So, we get :

Thus, 'F' sits between G and D.

Hence, the correct answer is "F".

Question 389

Kolkata Police SI 2018• Full Test

Who wrote “The Argumentative Indian” ?

  1. AOption (a)

    Amartya Sen

  2. BOption (b)

    Chetan Bhagat

  3. COption (c)

    Arundhati Roy

  4. DOption (d)

    N. C. Choudhury

View answer & explanation

Correct answer

Answer: (a)A.

Amartya Sen

Why this answer is correct

The correct answer is Amartya Sen.

Key Points

  • Amartya Sen was born into a Brahman family in Santiniketan, Bengal, in India.
  • In 1998, was awarded the Nobel Prize in Economics for his work in welfare economics.
  • Book by Amartya Sen is Development as Freedom, The Idea of Justice, The Argumentative Indian, Garibi Aur Akaal, Identity & Violence, Inequality Reexamined, The Country of First Boys: And Other Essays, etc.

Important Points

AUTHORBOOKS
Chetan BhagatFive Point Someone, The 3 Mistakes of My Life, 2 States: The Story of My Marriage, Revolution 2020, One Indian girl
Arundhati RoyThe God of Small Things, The Ministry of Utmost Happiness, AZADI: Freedom. Fascism. Fiction, Walking with the Comrades, My Seditious Heart: Collected Nonfiction.
N. C. ChoudhuryThe Autobiography of an Unknown Indian, A passage to England, The Continent of Circe, Thy Hand, Great Anarch!, Three horsemen of the new apocalypse, Scholar Extraordinary.

Question 390

Kolkata Police SI 2018• Full Test

Which one of the following diagrams indicates the best relation between Travellers, Train and Bus ?

  1. AOption (a)

  2. BOption (b)

  3. COption (c)

  4. DOption (d)

View answer & explanation

Correct answer

Answer: (a)A.

Why this answer is correct

Venn diagram according to the given information :

Travellers, Train and Bus

From Venn diagram,

As Travellers can travel in any of the two means of transport Trains or Bus.

So, we can say some travellers may travel by bus and some travellers travel by train.

So, the circle representing traveller will intersect with the other two circles which represent Trains and Bus.

Hence, the correct answer is "option (1)".

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