Homosapiens appeared about these years ago.
A) 1.8 million
B) 40,000
C) 3,00,000
D) 2.5 million
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When was economic reform (Privatisation) appeared in India ?
Correct option is A) 1991
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The first steam locomotive was appeared in
The first steam locomotive was appeared in 1814
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The first steam locomotive, Stephenson’s Rocket, appeared in
The first steam locomotive, Stephenson’s Rocket, appeared in 1814
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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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We won’t go protest appeared in Harvard Crimson. This Harvard Crimson is a
Correct option is B) Newspaper
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Excretory structures appeared for the first time in flatworms belong to the phylum:
(D) Platyhelminthes
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You observed the slide of neuron under microscope. How were dendrites appeared in the specimen ?
C) Branched structures protruded from cyton
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After 12 years the age of Ramu is 3 times the age before he was 4 years then his present age is ………………. years.
Correct option is (D) none Let Ramu's present age be x years. \(\therefore\) Ramu's age before 4 years = (x - 4) years Ramu's age after 12 years = (x + 12) years \(\therefore\) x+12 = 3(x-4) \(\Rightarrow\) x+12...
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Difference between the ages of two sisters today is 4 years. Five years ago,the ratio of their ages was \( 5: 7 \). Find the age of the younger sister.
Let the age of the younger sister be x and elder sister be x + 4, Age of younger sister 5 years ago = (x - 5) Age of elder system...
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The product of Shikha’s age five years ago and her age 8 years later is 30, her age at both times being given in years. Find her present age.
Let the present age of Shikha be ‘a’ years. Given, product of Shikha’s age five years ago and her age 8 years later is 30 ⇒ (a – 5)(a + 8) =...
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