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One mineral activates the enzyme catalas...

One mineral activates the enzyme catalase and the other is a constituent of the ring structure of chlorophyll. These minerals are respectively

A

iron and magnesium

B

iron and manganese

C

magnesium and maganese

D

calcium and magnesium

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The correct Answer is:
A
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NCERT FINGERTIPS-TEST PAPER-Test Paper 3
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  2. Which of the following statements regarding universal rules of biologi...

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  3. Which of the following is correct ?

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  4. Select the correct combination of the statements (i-iv) regarding the ...

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  5. Single-celled eukaryotes are included in Kingdom

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  6. In which of the following classes of fungi, sexual reproduction is abs...

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  7. Algae have cells made up of

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  8. Which of the following statements is incorrect regarding bryophytes ?

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  9. Pick out wrong statement

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  10. Aestivation of petals in the flower of cotton is correctly shown in

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  11. Find the correct match

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  12. In cyathium inflorescence

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  13. Which one of the following is not correct ?

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  14. A few drops of sap were collected by cutting across a plant stem by a ...

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  15. Cell A and cell B are adjacent plant cells. In cell A Psi(s)=-20 bars ...

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  16. Refer to the given flow chart regarding classification of Kingdom Anim...

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  17. With reference to factors affecting the rate of photosynthesis, which ...

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  18. Which statement is wrong for Krebs' cycle ?

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  19. Match column I with column II for housefly classification and select t...

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  20. The pineapple which under natural condition is difficult to blossom ha...

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  21. Consider the following statements and select the correct option (A) ...

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