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Element located in centre of porphyrin r...

Element located in centre of porphyrin ring of chlorophyll is

A

Calcium

B

Magnesium

C

Potassium

D

Manganese

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The correct Answer is:
B
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NEET MAJOR TEST (COACHING)-MAJOR TEST 8-BIOLOGY
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  5. Which of the following statement is incorrect regarding angiosperms?

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  6. Which one is correct according to above graph?

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  7. Two key concepts of Darwin theory are :-

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  8. ells which secrete histamine, serotonin and heparin are ?

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  9. No. of different possible genotype in ABO blood group :

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  10. Some proteolytic enzymes are

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  11. Construction of first recombinant DNA was done by using plasmid of

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  12. Which of the following is/are involved in cell to cell recognition?

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  13. Which one of the following is a real inducer of lac operon.

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  14. How many seminiferous tubules are present in each testicular lobule ?

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  15. Select the option in which the part of brain is not correctly matched ...

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  16. In meiosis, sister chromatids separate during :-

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  17. Which one is an epiphyte

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  18. The diagram given below, represents the four different structures whic...

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