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State true or false: The primitive atmo...

State true or false:
The primitive atmosphere was reducing .

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Primitive atmosphere was reducing/oxidising.

Primitive atmoshpere was reducing because:

Assertion : Primitive atmosphere was formed by the lightest atoms. Reason : The primitive atmosphere was reducing in nature.

Gases found in primitive atmosphere are

Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

State true (T) or false (F).

State true or false: The multiplicative inverse of 1 is 1

Assertion: Primitive atmosphere was of reducing type. Reason: First hydrogen atoms combined with all oxygen.

MBD -HARYANA BOARD-EVOLUTION-EXERCISE
  1. State true or false: The first organisms formed were autotrophs.

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  2. State true or false: the book"Origin of life" was written by Oparin a...

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  3. State true or false: The primitive atmosphere was reducing .

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  4. State true or false: Tendrill of Passiflora and tendrill of Pisum are...

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  5. State true or false: The cranial capacity of Java man was 700 cc.

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  6. State true or false: The cranial capacity of Homo sapiens man is 1700...

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  7. Coin one word for the following statements: A grop of organisms simila...

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  8. Coin one word for the following statements: Origin of new species from...

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  9. Coin one word for the following statements: Whe two populations of a s...

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  10. Coin one word for the following statements: Sudden,large and inheriabl...

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  11. Coin one word for the following statements: Morphological similar but ...

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  12. Which is not expaline byLamarckism?

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  13. Which of the following provides most evident proof of evolution?

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  14. Which one of the following amino-acids was not found to be synthesized...

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  15. Species occuring in different geographical area are called as

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  16. Lamarck's theory of evolution is called :

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  17. Cause of speciation is

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  18. Sickle-cell anaemia, the best example of natural selection, is due to ...

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  19. Darwin's theory does not include

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  20. A bacterial culture is treated with streptomycin and a cast is made . ...

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