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Chrysophytes are...

Chrysophytes are

A

Diatoms & Desmids

B

Diatoms & Dinoflagellale

C

Slime mould & Desmids

D

Slime mould & Diatoms

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The correct Answer is:
A
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Diatoms are the chief producers in the oceans, belong to group (a) chrysophytes (b) dinoflagellates (c) euglenoids (d) slime moulds

Match the column I and II {:("Column I", "Column II"),("(i) Chrysophyte", "(a) Gonyaulax"),("(ii) Dinoflagellate","(b) Euglena"),("(iii) Euglenoids", "(c) Diatom"),("(iv) Slime moulds", "(d) Plasmodium"):}

How many statements are correct with respect to chrysophytes ? (i) They are found in the marine environment , freshwater organisms are very rare. (ii) In diatoms , the cell wall form two thick overlapping shells which fit together as in a soapbox . (iii) The cell membranes of diatoms are embedded with silica and accumulation of them over billions of years is referred to as "diatomaceous earth " (iv) Diatoms are the chief " Producers" In the oceans .

ALLEN-PLANT DIVERSITY (Taxonomy to History of Taxonomy)-S
  1. Red tide in oceans is caused by rapid multiplication of :-

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  2. Which of the following is correct about dinoflagellates?

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  3. Chrysophytes are

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  4. Photosynthetic pigments present in Euglenoids are :-

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  5. Consider the statements with respect to fungi (a) They show a great ...

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  6. Which statement is incorrect ? (a) Reduction division occurs inside ...

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  7. Which statement is not correct ?

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  8. Which of the following statements are correct? (a) Asexual reproducti...

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  9. How many statements are correct ? (a) Deuteromycetes are also known a...

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  10. Read the following points :- (A) Asexual reproduction with the help o...

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  11. Which is not a fungal disease

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  12. Which option is associated with basidiomycetes ?

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  13. Which option is wrong regarding to Albugo ?

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  14. Which one of the following is not a part of sexual cycle in fungi ?

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  15. Choose the incorrect match

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  16. Read the following statements :- (A) Asexual reproduction in liverwo...

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  17. Read the following statements :- (A) The vegetative cells have a cellu...

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  18. Which statement is not correct about Cycas ?

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  19. What is the correct ploidy sequence in the following ? (A) Protonema...

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  20. Which pair exhibits zoidogamous type of fertilization ?

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