From Neptune to Nepenthes The Hindu Science Quiz
The Sun, Mercury, Venus, the Earth are in the foreground (seen from left) while Uranus, Neptune, Saturn, Jupiter and Mars are in the background.
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1 / 5 |
In January 2015, two Caltech astronomers predicted that there is a giant planet beyond Neptune that orbits the sun, taking from 10,000 to 20,000 years to complete one orbit. This theoretical possibility was named Planet X or Planet nine. Why do they think this planet may exist?
- Analysis of Sun’s light
- The unusual orbits of Kuiper belt objects
- Its effect on the Earth’s orbit
- Its effect on Neptune’s orbit.
Astronomers noticed that the orbits of minor planets and other icy objects in the Kuiper belt were clustering together, the analysis of these orbits leads them to believe in the existence of a big planet there.
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2 / 5 |
What is the common name of the vitamin named alpha tocopherol?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin E
Alpha tocopherol is commonly called Vitamin E, and it is found in nuts, seeds and vegetable oils.
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3 / 5 |
What is the name of the element which was first found to exist on the Sun before it was discovered on Earth?
- Hydrogen
- Helium
- Lithium
- Phosphorus
It was discovered first in India, during a solar eclipse on August 18, 1868, by studying the sun’s corona.
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4 / 5 |
Which of the following plants can trap and digest insects?
- Poison Ivy
- Pitcher plant
- Deadly nightshade
- Trumpet lily
The pitcher plant or nepenthes can trap insects as it has a deep pitcher like adaptation that contains digestive liquid.
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5 / 5 |
Which evolutionary biologist was a proponent of the endosymbiosis hypothesis which suggests that two evolving lineages can fuse through symbiosis to form a new one?
- J.B.S. Haldane
- Lynne Margulis
- Jean-Baptiste Lamarck
- William Herschel
Lynne Margulis proposed that evolution of bacteria containing nuclei can be the result of symbiotic merging of different bacteria.
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