Human beings arrived on earth …….. years ago.
(A) 10,00,000
(B) 1,00,000
(C) 1 crore
(D) 1 billion
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Why is it not possible to study the pattern of inheritance of traits in human beings, the same way as it is done in pea plant ? Name the alternate met
Contaroll crosses cannot be performed in human beings, Alternate method-Pedigree analysis (study of the traits in serveral generations of a family).
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Human beings can hold an object in a better manner than monkeys. Why?
1. Humans and monkeys both have five fingers including thumb, however humans can hold an object in better manner than monkeys because humans have highly developed opposable thumbs. The opposable...
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The maximum age of the member of National Commission may be- (A) 60 years (B) 65 years (C) 70 years
Correct option is: (B) 65 years
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Vedic Aryans arrived in India, Discovery of Harappa, Discovery of Mohenjodaro, Total Area covered
(b) Discovery of Harappa – 1921
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The Earth began to form around years ago.
(C) 4 1/2 billion
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Universe started some ……… billion years ago.
Universe started some 13.7 billion years ago.
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About 50 years ago, the capacity of river Tungabhadra river reservoir was …………… million cubic meters.
Correct option is B) 3, 766
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Five years ago, the sum of the ages of a father and two sons was \( x \) years, then after five years, the sum of the ages of all will be years.
5 years after age of each of father and his two sons will be 10 years more than it was 5years ago. Hence after 5years the sum of thieir age...
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If R is the radius of the Earth and g is the acceleration due to gravity on the Earth’s surface, the mean density of the Earth is
Correct option is: (D) \(\frac{3g}{4\pi RG}\)
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Identify true or false statements (i) Conventional plant breding is in practice from `9,000-11,000` years ago. (ii) Recombinant progeny is self -polln
Correct Answer - (i) True (ii) False, homozygosity (iii) False, 11 million tonnes to 75 million tonnes
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