Biology
General
Easy
Question
The first living beings were
- Chemoheterotrophs
- Chemoautotrophs
- Oxygenic photoautotrophs
- Anoxygenicphotoautotrophs
The correct answer is: Chemoheterotrophs
The first living beings were chemoheterotrophs.
Related Questions to study
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Darwin in his ‘natural selection theory’, did not believed in any role of which one of the following in organic evolution?
Darwin in his ‘natural selection theory’, did not believed in any role of which one of the following in organic evolution?
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Evidence that evolution of life forms has indeed taken place on earth has come from
Evidence that evolution of life forms has indeed taken place on earth has come from
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Life appeared
Life appeared
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Urey –Miller’s experiment mixture had the following except
Urey –Miller’s experiment mixture had the following except
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Cro –magnon was
Cro –magnon was
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Select the incorrect statements
I. Natural selection is essential for evolution
II. Natural selection do not include variations
III. Concept of natural selection was given by Hugo de Vries
IV. Mutation is the sudden inheritable change
V. Synthetic theory is also called Neo-Darwinism theory of evolution
The correct combination is a
Select the incorrect statements
I. Natural selection is essential for evolution
II. Natural selection do not include variations
III. Concept of natural selection was given by Hugo de Vries
IV. Mutation is the sudden inheritable change
V. Synthetic theory is also called Neo-Darwinism theory of evolution
The correct combination is a
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What happened to 
present in the primary atmosphere during its conversion to the secondary atmosphere?
What happened to present in the primary atmosphere during its conversion to the secondary atmosphere?
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There are (n + 1) white and (n + 1) black balls each set numbered 1 to (n + 1). The number of ways in which the balls can be arranged in row so that the adjacent balls are of different colours is-
There are (n + 1) white and (n + 1) black balls each set numbered 1 to (n + 1). The number of ways in which the balls can be arranged in row so that the adjacent balls are of different colours is-Maths-General
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There are m men and n monkeys (n > m). If a man have any number of monkeys. In how many ways may every monkey have a master?
There are m men and n monkeys (n > m). If a man have any number of monkeys. In how many ways may every monkey have a master?
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How many different signals can be made by 5 flags from 8 flags of different colours?
How many different signals can be made by 5 flags from 8 flags of different colours?
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Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Determine the number of words which have at least one letter repeated.
Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Determine the number of words which have at least one letter repeated.
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Find the sum of all the numbers that can be formed with the digits 2, 3, 4, 5 taken all at a time.
Find the sum of all the numbers that can be formed with the digits 2, 3, 4, 5 taken all at a time.
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If m + nP2 = 90 and m – nP2 = 30, then (m, n) is given by -
If m + nP2 = 90 and m – nP2 = 30, then (m, n) is given by -
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If 
then value of 6Cr is equal to -
If then value of 6Cr is equal to -
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