From sleep to solar system The Hindu Science Quiz
1 / 5 |
What is the correct name for the ‘hunger hormone’?
- Adrenalin
- Ghrelin
- Oxytocin
- Serotonin
Ghrelin is predominantly secreted in the stomach and plays an important role in stimulating appetite.
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2 / 5 |
Which of the following does not form a trans neptunian object?
- Eris
- Pluto
- Makemake in the Kuiper belt
- Hippocamp
Trans neptunian objects are minor planets that have orbits that go beyond Neptune, and include the first three choices. Hippocamp is a moon of Neptune.
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3 / 5 |
The following is a list of moons of planets in the solar system. Only one these is unique in that it circles its planet in a direction opposite to the planet’s rotation. It is a retrograde moon. Which is it?
- Titan
- Enceladus
- Triton
- Nereid
Triton which is Neptune’s moon and which may be a captured object from the Kuiper belt orbits Neptune in a direction oppose to Neptune’s rotation.
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4 / 5 |
During which stage of sleep do we have dreams?
- Slow-wave sleep
- Deep sleep
- NREM Sleep
- REM Sleep
REM Sleep which is characterised by a rapid eye movement and it is during this stage that people have dreams.
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5 / 5 |
In February 2001, the journals Nature and Science published two seminal papers. What was this discovery which we are celebrating 20 years later?
- Unravelling the human genome
- CRISPR-Cas 9 technology
- Prediction of protein folding
- Discovery of gravitational waves
The Human genome project launched in 1990 sequenced for the first time the human genome and published their results in 2001, February.
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