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Question 1 of 5
1. Question
2 points
Consider the following statements about Neglected Tropical Diseases (NTDs):
1. The 74th World Health Assembly declared June 30 as ‘World Neglected Tropical Diseases (NTD)
a) Day.
2. India experiences the world’s largest absolute burden of several major NTDs.
3. NTD are communicable diseases that prevail in tropical and subtropical countries.
Which of the above statements is/are correct?
Correct
Correct Answer: B
Explanation
(b)2 and 3 are correct and 1 is incorrect.
Accepting the proposal of the United Arab Emirates (UAE), 74th World Health Assembly declared
January 30 as ‘World Neglected Tropical Diseases (NTD) Day. Hence, statement 1 is incorrect.
India does experience the world’s largest absolute burden of several major NTDs, however, India has already
eliminated many NTDs like guinea worm, trachoma, and yaws. Thus, statement 2 is correct.
NTD are communicable diseases that prevail in tropical and subtropical countries and affect more than one
billion people. Worldwide, around 149 countries and territories are affected by at least one NTD. Therefore,
statement 3 is also correct.
Incorrect
Correct Answer: B
Explanation
(b)2 and 3 are correct and 1 is incorrect.
Accepting the proposal of the United Arab Emirates (UAE), 74th World Health Assembly declared
January 30 as ‘World Neglected Tropical Diseases (NTD) Day. Hence, statement 1 is incorrect.
India does experience the world’s largest absolute burden of several major NTDs, however, India has already
eliminated many NTDs like guinea worm, trachoma, and yaws. Thus, statement 2 is correct.
NTD are communicable diseases that prevail in tropical and subtropical countries and affect more than one
billion people. Worldwide, around 149 countries and territories are affected by at least one NTD. Therefore,
statement 3 is also correct.
Question 2 of 5
2. Question
2 points
In the context of properties of the Universe, which of the following statements is/are correct?
1. 70% of the matter in the universe is dark matter.
2. Black holes are formed as a result of a split in neutron stars.
3. Dark energy is evenly distributed throughout the universe equally in space and time.
Select the correct answer using the code given below:
Correct
Correct Answer: A
Explanation
(a) 1 and 2 are incorrect and only 3 is correct.
The visible universe like planets, stars, galaxies make up only 5% of the universe rest are Dark
matter and Dark Energy. Dark matter is 27% of the universe, 68% is Dark Energy. Thus statement
1 is incorrect.
Dark Energy appears to be associated with the vacuum in space. It is distributed evenly
throughout the universe, not only in space but also in time – in other words, its effect is not
diluted as the universe expands. Therefore statement 3 is correct.
Black holes result from massive neutron stars and not due to split in neutron stars. Statement 2 is
incorrect.
Dark energy is distributed evenly throughout the universe, not only in space but also in time – in
other words, its effect is not diluted as the universe expands. Thus statement 3 is correct.
How Do Black Holes Form?
Primordial black holes are thought to have formed in the early universe, soon after the big bang.
Stellar black holes form when the center of a very massive star collapses in upon itself. This collapse also
causes a supernova, or an exploding star, that blasts part of the star into space.
Scientists think supermassive black holes formed at the same time as the galaxy they are in. The
size of the supermassive black hole is related to the size and mass of the galaxy it is in.
Incorrect
Correct Answer: A
Explanation
(a) 1 and 2 are incorrect and only 3 is correct.
The visible universe like planets, stars, galaxies make up only 5% of the universe rest are Dark
matter and Dark Energy. Dark matter is 27% of the universe, 68% is Dark Energy. Thus statement
1 is incorrect.
Dark Energy appears to be associated with the vacuum in space. It is distributed evenly
throughout the universe, not only in space but also in time – in other words, its effect is not
diluted as the universe expands. Therefore statement 3 is correct.
Black holes result from massive neutron stars and not due to split in neutron stars. Statement 2 is
incorrect.
Dark energy is distributed evenly throughout the universe, not only in space but also in time – in
other words, its effect is not diluted as the universe expands. Thus statement 3 is correct.
How Do Black Holes Form?
Primordial black holes are thought to have formed in the early universe, soon after the big bang.
Stellar black holes form when the center of a very massive star collapses in upon itself. This collapse also
causes a supernova, or an exploding star, that blasts part of the star into space.
Scientists think supermassive black holes formed at the same time as the galaxy they are in. The
size of the supermassive black hole is related to the size and mass of the galaxy it is in.
Question 3 of 5
3. Question
2 points
Which of the following can be the application/s of recombinant DNA technology?
1. Synthesis of human insulin
2. Insect-resistant crops
3. Diagnostic tests for hepatitis and HIV
4. Environmental cleaning
Select the correct answer using the code given below:
Correct
Correct Answer: D
Explanation
(d) all are correct.
Recombinant DNA technology comprises altering genetic material outside an organism to obtain
enhanced and desired characteristics in living organisms or as their products. This technology
involves the insertion of DNA fragments from a variety of sources, having a desirable gene
sequence via appropriate vector.The first recombinant DNA (rDNA) molecules were generated in
1973 by Paul Berg, Herbert Boyer, Annie Chang, and Stanley Cohen of Stanford University and
University of California San Francisco.
Through recombinant DNA techniques, bacteria have been created that are capable of
synthesizing human insulin, human growth hormone, alpha interferon, hepatitis B vaccine, and
other medically useful substances. Thus option 2 is correct.
Recombinant DNA tech can be used to create Genetically Modified Organism and thus can be
used to create insect resistant crops. Option 2 is correct.
It has overarching application and all options are correct.
Incorrect
Correct Answer: D
Explanation
(d) all are correct.
Recombinant DNA technology comprises altering genetic material outside an organism to obtain
enhanced and desired characteristics in living organisms or as their products. This technology
involves the insertion of DNA fragments from a variety of sources, having a desirable gene
sequence via appropriate vector.The first recombinant DNA (rDNA) molecules were generated in
1973 by Paul Berg, Herbert Boyer, Annie Chang, and Stanley Cohen of Stanford University and
University of California San Francisco.
Through recombinant DNA techniques, bacteria have been created that are capable of
synthesizing human insulin, human growth hormone, alpha interferon, hepatitis B vaccine, and
other medically useful substances. Thus option 2 is correct.
Recombinant DNA tech can be used to create Genetically Modified Organism and thus can be
used to create insect resistant crops. Option 2 is correct.
It has overarching application and all options are correct.
Question 4 of 5
4. Question
2 points
Carefully analyze the following statements:
1. Bryophyta are the plants that live on land, but reproduce on water.
2. They have well defined structures like stem, root, leaf.
3. Mooses, liverworts, hornworts are Bryophytes.
Which of the above statement/s is/are correct?
Correct
Correct Answer: C
Explanation
Ans : (c.) 2 and 3 only
Bryophytes are amphibians of the plant kingdom. They live on land, but reproduce on water. The
plant body is commonly differentiated to form stem and leaf-like structures
However, a true root or shoot system is not developed. Therefore statement 1 is correct but
statement 2 is incorrect.
Mosses, liverworts, hornworts are some common examples of bryophytes. Thus statement 3 is
correct.
Incorrect
Correct Answer: C
Explanation
Ans : (c.) 2 and 3 only
Bryophytes are amphibians of the plant kingdom. They live on land, but reproduce on water. The
plant body is commonly differentiated to form stem and leaf-like structures
However, a true root or shoot system is not developed. Therefore statement 1 is correct but
statement 2 is incorrect.
Mosses, liverworts, hornworts are some common examples of bryophytes. Thus statement 3 is
correct.
Question 5 of 5
5. Question
2 points
Consider the following statements about Tokamaks:
1. Tokamaks are a type of fission reactors which use magnetic force to manipulate plasma.
2. India’s Steady State Superconducting Tokamak is established at Institute for Plasma Research,
Gandhinagar, Gujarat.
Which of the adobe statement/s is/are incorrect?
Correct
Correct Answer: A
Explanation
Ans: (a) 1 is incorrect and 2 is correct.
Tokamaks are a type of fusion reactor which use magnetic force to manipulate plasma. Statement
1 is incorrect.
SST-1 (or Steady State Superconducting Tokamak) is a plasma confinement experimental device
in the Institute for Plasma Research (IPR), Gandhinagar, Gujarat an autonomous research
institute under Department of Atomic Energy, India. Thus statement 2 is correct.
Incorrect
Correct Answer: A
Explanation
Ans: (a) 1 is incorrect and 2 is correct.
Tokamaks are a type of fusion reactor which use magnetic force to manipulate plasma. Statement
1 is incorrect.
SST-1 (or Steady State Superconducting Tokamak) is a plasma confinement experimental device
in the Institute for Plasma Research (IPR), Gandhinagar, Gujarat an autonomous research
institute under Department of Atomic Energy, India. Thus statement 2 is correct.
