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$ Mycorrhiza is a type of symbiosis. !...

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

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

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

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

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

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  5. $ That branch of science which deals with the study of Fungi is called...

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  6. $ Tracheophytes are the plants with vascular tissues. ! Tracheophyte...

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  7. $ A simple but dominant gametophyte is called Prothallus. ! Prothall...

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  8. $ Chlamydomonas has many pyrenoids. ! Pyrenoids help in the storage ...

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  9. $ Carragenin can coagulate blood. ! Carrangenin is a type of phycoco...

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  10. $ Formation of motile gametes occurs in Red Algae. ! Motile gametes ...

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  11. $ Cryptogams are those plants which have large sized sex organs. ! P...

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  12. $ The dominant phase in Bryophytes is called Thallus. ! Thallus of F...

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  13. $ Green Algae are considered to be the ancestors of land plants. ! A...

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  14. $ Circinate ptyxis is found in Angiosperms. ! The male reproductive ...

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  15. $ Hypnospores are the thick walled resting spores produced in some Alg...

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  16. $ Asexual reproduction is also called Apomixis. ! Apogamy shortens t...

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  17. $ Protonema is found in the life cycle of Liverworts. ! Liverworts h...

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  18. $ Fertilization with the help of a pollen tube is called Siphonogamy. ...

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  19. $ Flower is a modified shoot which helps in sexual reproduction. ! M...

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  20. $ Self pollination in bud condition of a flower is called cleistogamy....

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