UPSC 2005 › Science & Technology

18 questions · 2005 · answers as per the UPSC key

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Topics: Biology (4)Health & Diseases (4)Energy & Environment (2)Science & Technology Institutions (2)Chemistry (1)Computer & Information Technology (1)Defence Technology (1)Materials & Engineering (1)Science & Technology History (1)Space Technology & Astronomy (1)
UPSC 2005 · Q16 · Science & Technology › Chemistry · Save

Consider the following statements :

  1. Anhydrous sodium carbonate is commonly known as baking soda
  2. Baking soda is used in fire extinguishers
  3. Bleaching powder is manufactured in Hasenclever plant

Which of the statements given above is/are correct?

(a) 1, 2 and 3
(b) 2 and 3
(c) 3 only
(d) 1 and 2
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Answer: (b) 2 and 3
UPSC 2005 · Q17 · Science & Technology › Computer & Information Technology · Save

Consider the following statements :

  1. A geostationary satellite is at an approximate height of 10,000 km
  2. FM transmission of music is of very good quality because the atmospheric or man-made noises which are generally frequency variations can do little harm.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
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Answer: (b) 2 only
UPSC 2005 · Q18 · Science & Technology › Biology · Save

What is the order of magnitude of electric resistance of the human body (dry)?

(a) 10² ohm
(b) 10⁴ ohm
(c) 10⁶ ohm
(d) 10⁸ ohm
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Answer: (b) 10⁴ ohm
UPSC 2005 · Q21 · Science & Technology › Health & Diseases · Save

Pneumoconiosis afflicts the workers who work mainly in

(a) Tanneries
(b) Coal mining industry
(c) Distilleries
(d) Glass industry
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Answer: (b) Coal mining industry
UPSC 2005 · Q30 · Science & Technology › Defence Technology · Save

Which one of the following pairs is not correctly matched?

(a) Arjun : Indigenous produced Main Battle Tank (MBT)
(b) Phalcon : Cruise missile supplied by Russia to India
(c) Saras : Indigenously developed civilian passenger aircraft
(d) Operation Seabird : New Indian Naval Base at Karwar
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Answer: (b) Phalcon : Cruise missile supplied by Russia to India
UPSC 2005 · Q49 · Science & Technology › Science & Technology History · Save

Who among the following invented Lasers?

(a) Theodore Maiman
(b) Denis Papin
(c) Willam Moton
(d) Fancis Crick
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Answer: (a) Theodore Maiman
UPSC 2005 · Q71 · Science & Technology › Biology · Save

Consider the following statements :

  1. During the process of osmosis, the solvent travels from the concentrated solution to the dilute solution.
  2. In the reverse osmosis, external pressure is applied to the dilute solution.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (d) Neither 1 nor 2
UPSC 2005 · Q74 · Science & Technology › Science & Technology Institutions · Save

Consider the following statements :

  1. The Headquarters of the International Organization for Standardization are located in Rome
  2. ISO 9000 relates to the quality management system and standards.
  3. ISO 14000 relates to environmental management system standards.

Which of the statements given above is/are correct?

(a) 1 and 2
(b) 3 only
(c) 2 and 3
(d) None
Show answer
Answer: (c) 2 and 3
UPSC 2005 · Q84 · Science & Technology › Space Technology & Astronomy · Save

Assertion (A): Existence of human life on Venus is highly improbable.

Reason (R): Venus has extremely high level of carbon dioxide in its atmosphere.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (a) Both A and R are individually true and R is the correct explanation of A
UPSC 2005 · Q85 · Science & Technology › Biology · Save

Assertion (A): All the proteins in our food are digested in small intestine only.

Reason (R): The protein-digesting enzymes from pancreas are released into small intestine.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (d) A is false but R is true
UPSC 2005 · Q86 · Science & Technology › Biology · Save

Assertion (A): Amoeba reproduces by fission.

Reason (R): All unicellular organisms reproduce by asexual methods.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Show answer
Answer: (c) A is true but R is false
UPSC 2005 · Q88 · Science & Technology › Energy & Environment · Save

Assertion (A): The main constituent of the Liquefied Petroleum Gas is methane.

Reason (R): Methane can be used directly for burning in homes and factories where it can be supplied through pipelines.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (d) A is false but R is true
UPSC 2005 · Q89 · Science & Technology › Health & Diseases · Save

Assertion (A): The person with diabetes insipidus feels thirsty.

Reason (R): A person with diabetes insipidus suffers from excess secretion of vasopressin.

(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
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Answer: (c) A is true but R is false
UPSC 2005 · Q90 · Science & Technology › Science & Technology Institutions · Save

Consider the following statements :

  1. Vigyan Rail is a Science Exhibition on wheels organized by the Council of Scientific and Industrial Research.
  2. Vigyan Prasar is an autonomous body under the Ministry of Human Resource Development.
  3. EDUSAT, the ISRO’s educational satellite was launched from French Guyana in 2004.

Which of the statements given above is/are correct?

(a) 1, 2 and 3
(b) 1 and 2
(c) 2 and 3
(d) None
Show answer
Answer: (d) None
UPSC 2005 · Q100 · Science & Technology › Energy & Environment · Save

Match List-I (Atomic Power Plants/Heavy Water Plants) with List-II (State) and select the correct answer using the code given below the lists :

  1. Andhra Pradesh
  2. Gujarat
  3. Maharastra
  4. Maha
  5. Karnataka

List-I (A) Thal (B) Manuguru (C) Kakrapar (D) Kaiga

List-II (State)

(a) 2 1 4 5
(b) 3 5 2 1
(c) 2 5 4 1
(d) 3 1 2 5
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Answer: (d) 3 1 2 5
UPSC 2005 · Q101 · Science & Technology › Materials & Engineering · Save

Which one of the following is the correct sequence of the given substances in the decreasing order of their densities?

(a) Steel > Mercury > Gold
(b) Gold > Mercury > Steel
(c) Steel > Gold > Mercury
(d) Gold > Steel > Mercury
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Answer: (b) Gold > Mercury > Steel
UPSC 2005 · Q130 · Science & Technology › Health & Diseases · Save

Which one of the following diseases of milching animals are infectious?

  1. Foot and Mouth disease
  2. Anthrax
  3. Black Quarter
  4. Cowpox

Select the correct answer using the codes given below:

(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1 and 4
(d) 1, 2, 3 and 4
Show answer
Answer: (d) 1, 2, 3 and 4
UPSC 2005 · Q132 · Science & Technology › Health & Diseases · Save

Consider the following statements:

  1. Dengue is a protozoan disease transmitted by mosquitoes.
  2. Retro-orbital pain is not a symptom of Dengue.
  3. Skin rash and bleeding from nose and gums are some of the symptoms of Dengue.

Which one of the following statements is/are correct?

(a) 1 and 2
(b) 3 only
(c) 2 only
(d) 1 and 3
Show answer
Answer: (b) 3 only