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WorksheetsJSEG Festival Quiz Bee - Difficult Round
Total questions: 10
Worksheet time: 10mins
When a color blind man marries a woman pure for normal color vision, it is probable that one of the following situations may result. It is probable that
All children will be color blind
All the grandchildren will be color blind
Only the sons will be colorblind
Half the grandsons will be color blind
What is the term given to enzymes whose action is modulated by binding of a molecule to a site other than the active site? (ANSWER IN ALL CAPS)
(a)
The long Valley Caldera in east-central California was formed by a massive volcanic eruption about 760,000 years ago. Since then, it has erupted several times. Of the following, which would be least likely to indicate that another eruption will soon occur?
Recurring earthquakes in the vicinity
Decreases in precipitation in the area
Changes in gas emissions from the caldera
Uplifting of the floor of the caldera
What is the term used to measure the intensity of solar radiation and is equal to one gram calorie per square centimeter per minute? (ANSWER IN ALL CAPS)
(a)
Whose paradox asks why the sky is not ablaze with starlight if the universe is infinite in extent and uniformly filled with stars?
Olber's
Greigheim's
Schuller's
Miller's
Spectral line splitting due to the influence of magnetic fields is called:
Boltzmann Effect
Zeeman Effect
Planck Effect
Zanstra's Effect
What is the family name given to the elements in group 1A of the periodic table?
Alkali Metals
Halogens
Alkaline Earths
Rare Earths
Give the empirical formula for the organic compound naphthalene.
(a)
A 5.0 kg object is placed in an elevator that is accelerating upwards at 4.0 s2m . What is the weight of the object in Newtons?
(a)
The sound level in a room may be 50 dB. A sound that is twice as loud as a 50 dB sound is:
60 dB
100 dB
500 dB
5000 dB
