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$ Sulphur depended archaebacteria are ca...

$ Sulphur depended archaebacteria are called thermoacidophiles.
! Archeopteryx is considered to be a connecting link between Birds and Reptiles.

A

If both As and R are correct and R is correct explanation of As

B

If both As and R are correct but R is not correct explanation of As

C

If As is correct, R is wrong

D

If both As and R are wrong.

Text Solution

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The correct Answer is:
B
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DINESH PUBLICATION-ENVIRONMENTAL ISSUES-Assertion and reason
  1. $ Halophytes are those plants which grow in salty soils. Heliophyte...

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  2. $ Spirulina is a rich source of proteins. ! Spirulina has a spiral c...

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  3. $ Sulphur depended archaebacteria are called thermoacidophiles. ! Ar...

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  4. $ Nostoc has chloropyll "a" and phycocyanin pigments. ! Chlorophyll ...

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  5. $ Protists are eukaryotes ! Eukaryotes do not have the double membra...

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  6. $ Euglena is biflagellated and has cell wall. ! Because cell wall is...

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  7. $ The glagellum in protists is single stranded. ! Single stranded fl...

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  8. $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyo...

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  9. $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs...

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  10. $ In the cell wall of Dinoflagellates, there is present only one groov...

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  11. $ Euglena has mixotrophic nutrition. ! Mixtrophic nutrition means th...

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  12. $ Slime mouls are mainly saprophytic. ! Saprophytes get their nutrit...

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  13. $ Forminiferance have a calcareous shell. ! Dimorphic nucleic are pr...

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  14. $ Amoeba is a type of sporozoan. ! Sporozonas have two contractile v...

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  15. $ Fungi may be heterotrophic or autotrophic. ! Mycelium of Rhizopus ...

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  16. $ In basidiomycetes, there are present dolipore septa. ! Ascospores ...

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  17. $ Yeasts form a pseudomycelium. ! Yeast are prokaryotic.

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  18. $ In Basidiomycetes, there are preset dikaryotic cells called Synkaryo...

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  19. $ Mycorrhiza is a type of symbiosis. ! Lichens have phycobiont and m...

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  20. $ Puccinia graminis causes rust disease of wheat. ! Sexual reproduct...

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