science & tech MCQ section 2 MCQ Questions & Answers Detailed Explanation

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The following question based on science & tech topic of general awareness mcq

Questions : Production of a human protein in bacteria by genetic engineering is possible because

(a) the mechanism of gene regulation is identical in humans and bacteria

(b) bacterial cell can carry out the RNA splicing reactions

(c) the human chromosome can replicate bacterial cell

(d) the genetic code is universal

The correct answers to the above question in:

Answer: (d)

The genetic code in all living organism is made up of the same triplet of nucleotides and these nucleotides in all organisms for the same amino acid and proteins. eg - “AUG” in both humans and bacteria codes for “Methionine” amino acid.

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Read more science and tech Based General Awareness Questions and Answers

Question : 1

Which of the following is not a renewable resourse ?

a) Geothermal heat

b) Radiant energy

c) Tidal power

d) Thorium

Answer: (d)

A renewable resource is an organic natural resource that can replenish in due time compared to the usage, either through biological reproduction or other naturally recurring processes. Examples include: solar energy, geothermal energy, wind energy, tidal energy, etc.

Question : 2

Consider the following statements:

  1. India has launched IRNSS 1C the next satellite in IRNSS (Indian Regional Navigational Satellite System) series on 16th October.
  2. IRNSS is a navigation system that will cover India, and also extend 2000 kms from its boundaries.
Which of the statements given above is/are correct?

a) 2 only

b) Both 1 and 2

c) 1 only

d) None of the above

Answer: (c)

The satellite weighed 1, 425.4 kg and was successfully placed into a sub geosynchronous transfer orbit just 20 minutes after the launch.

Question : 3

Consider the following statements about National Security Guards (NSG):

  1. NSG was set up in the year 1984.
  2. Hostage rescue missions and counterhijak operations are its primary tasks.
Which of the statements given above is/are correct?

a) 2 only

b) 1 and 2 both

c) 1 only

d) None

Answer: (b)

The NSG (National Security Guards) is a special response unit in India that has primarily been utilized for counter-terrorism activities. NSG is modelled on Germany’s GSH 9.

The NSG is also known as Black Cats. The NSG’s roles include protecting VIP’s, conducting anti-sabotage checks, rescuing hostages, neutralizing terrorist threats to vital installation, engaging terrorists and responding to hijacking and piracy.

Question : 4

Which of the following pairs are correctly matched?

  1. MAVEN : Mars
  2. MESSENGER : Mercury
  3. Akatsuki : Saturn
Codes:

a) 2 and 3 only

b) 1 and 3 only

c) 1 and 2 only

d) All of these

Answer: (c)

Akatsuki is a Japanese space mission to Venus.

Question : 5

ISRO is the abbreviation for

a) Indian Space Research Organisation

b) International Scientific Research Organisation

c) International Space Research Organisation

d) Indian Scientific Research Organisation

Answer: (a)

The Indian Space Research Organisation (ISRO) is the primary space agency of the Indian government. ISRO is amongst the six largest government space agencies in the world, along with NASA, RKA, ESA, CNSA and JAXA.

Question : 6

Common bacteria used in genetic engineering is

a) Rhizobium

b) E. coli

c) Diplococcus

d) Spirillum

Answer: (b)

The genome size of E. coli is large and foreign gene can be easily ligated by producing sticky ends.

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