From HIV to herpetology The Hindu Science Quiz
Human Immunodeficiency Virus (HIV). The outer shell, called the capsid (yellow and purple) envelopes the viral RNA genome (blue).
Illustration credit: Janet Iwasa (utah.edu)
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1 / 5 |
To which animal does the largest animal genome sequenced so far belong to?
- Chimpanzee
- Australian lung fish
- Homo sapiens
- Zebrafish
Australian lung fish – with 43 billion base pairs, this fish, which has genes for lungs, articulated limbs and detecting airborne smells, has a genome that is about 14 times as long as that of humans.
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2 / 5 |
What does the term ‘rogue’ planet refer to?
- Planet that has unpredictable orbits
- Planet orbiting two stars
- Planet that does not orbit a star
- Planet that disturbs the orbit of its neighbour in a star system
These interstellar nomads or starless planets were first sighted in 1998. OTS 44 with over 11 times Jupiter’s mass was the first rogue planet to be discovered. It is 554 light years away.
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3 / 5 |
Antibodies are Y shaped proteins that form in response to aliens in a system, like viruses, and help in building an immune response to the outsider. What are autoantibodies?
- A virus
- Antibodies that form on their own accord
- Antibodies that attack the body’s own cells
- None of the above
These are antibodies that attack the body’s immune defence system or specific proteins in organs like the heart.
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4 / 5 |
Who is also known as the ‘snake man of India’?
- M. Krishnan
- Salim Ali
- A.P.J. Abdul Kalam
- Romulus Whittaker
He is a famous herpetologist who for his work in conservation received a Padmashri in 2018.
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5 / 5 |
When was the first detection of human immuno deficiency virus (HIV) infected sample made?
The earliest known case of HIV infection in humans was in a blood sample frm a man in Kinshasa, Democratic Republic of Congo. But the virus was only discovered later, in 1983.
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