From atoms to animal science The Hindu Science Quiz
A tiger caught in a camera trap at Parambikulam during a recent survey.
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1 / 5 |
In animal science, what does “Ethology” mean? It is the study of…
- history of a species
- the descendants of an animal
- the study of animal behaviour
- Genetics of a species
It is the study of animal behaviour. The founders of modern ethology, Niko Tinbergen, Konrad Lorenz and Karl Von Frisch were given the Nobel Prize for their work in 1973.
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2 / 5 |
Noradrenaline is a hormone secreted by the adrenal medulla, a part of the brain, and the sympathetic nerves. It has many uses in the body. What does the prefix “nor” stand for?
- That it is a supplement to adrenaline
- Normal
- Neither
- None of the above
In chemical parlance, the prefix nor stands for normal. It has been in use since 1867.
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3 / 5 |
What animal is often called a ‘beewolf’?
- Hyena
- Leopard
- Wasp
- Hummingbird
Solitary wasps of the genus Philanthus are given the name beewolf because they hunt adult honeybees. There are about 135 species in this genus
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4 / 5 |
Crystals have their atoms arranged in strictly period order. In Quasicrystals even though the constituents are ordered, they are not arranged in periodic order, for example in Penrose tilings. Which of the following uses a quasicrystal?
- Non-stick frying pans
- Lasers
- Watches
- Atomic clocks
Non-Stick frying pans use alloys that are quasicrystal for their coatings due to their having low friction, high hardness and low surface reactivity
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5 / 5 |
Which of the following types of glass is used in labs for tubes with semiconductors?
- Soda-lime glass
- Lead glass
- Quartz glass
- Pyrex glass
Quartz glass has high melting temperatures of about 1700 degrees Celsius. This and its purity make it the choice for its use in semiconductors
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