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Protonema occurs in the life cycle of...

Protonema occurs in the life cycle of

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:
c
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DINESH PUBLICATION ENGLISH-ENVIRONMENTAL ISSUES-Assertion and reason
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  2. $ Asexual reproduction is also called Apomixis. ! Apogamy shortens t...

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  3. Protonema occurs in the life cycle of

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

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

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

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  7. $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and ...

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  8. A: Orthotropous ovule has micropyle at the upper end. R: Ovule is al...

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  9. $ Double fertilization and triple fusion occurs in Angiosperms. ! Tr...

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  10. $ The animals in which body temperature varies according to the surrou...

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  11. $ The animals which give birth to young ones are called oviparous. !...

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  12. A: Secondary host of Taenia solium is pig. R: Malarial parasite comp...

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  13. $ Arthropoda is the largest group in the animal kingdom. ! Honey bee...

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  14. $ Mammals are warm blooded. ! Warm blooded animals can tolerate only...

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  15. $ Notochord is present in vertebrates. ! Notochord is always formed ...

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  16. $ The first formed embryonic cavity is called blastocoel. ! Annelids...

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  17. $ Neuron means a nerve cell. ! Neurons are found in the brain.

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  18. $ The excretory organs of Flatworms are called Flame cells. ! Excret...

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  19. $ Silver fish is found in the sea. ! Fish represents warm blooded an...

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  20. $ The microfossils discovered in the earth's oldest fossil bearing roc...

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