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Which of the following gas was not prese...

Which of the following gas was not present in early earth atmosphere ?

A

Oxygen

B

C`O underset 2`

C

`N underset 2`

D

Methane

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BEYOND PUBLICATION-HEREDITY - FROM PARENT TO PROGENY-EXERCISE
  1. Palaeontologists deal with

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  2. The human species has gentic roots in

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  3. Which of the following gas was not present in early earth atmosphere ?

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  4. This theory explained that life originated from non-living substances

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  5. Father of human genetics is

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  6. One of the following traits cant be inherited

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  7. Wing of an insect and the wing of a bird are

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  8. One of the following traits of the parents cannot be passed on to thei...

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  9. The science of heredity is known as

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  10. The human animal which has an XY pair of chromosomes is called

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  11. When two parents are crossed the offsprings are referred to as

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  12. A cross between two individuals results in a ratio of 9:3:3:1 for four...

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  13. In human males, all the chromosomes are paired perfectly except one th...

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  14. A zygote which has inherited an 'X' chromosome from the father will de...

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  15. Mendel had chosen - pairs of contrasting charaters for his study on pe...

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  16. Organs which are not useful to the organsims are called

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  17. proposed Natural selection the famous theory for evolution

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  18. Name the evidences of ancient life forms which have been preserved by ...

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  19. In absolute dating of the rock/fossil is determined by

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  20. The most recent ancestor of living moden man, that emerged about 34,00...

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