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[A] : Birds excrete uric acid . [R] : ...

[A] : Birds excrete uric acid .
[R] : Birds do not have a urinary bladder .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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  2. [A] : Huxley comments that Birds are glorified reptiles . [R] : Bird...

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  4. [A] : In elastic lungs of birds are supplemented by remarkable system ...

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  5. [A] : Sphenodon is referred to as a living fossil . [R] : It has ret...

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  6. [A] : In reptiles , lizards show autotomy . [R] : Tail of most lizar...

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  7. [A] : Heloderma is called beaded lizard . [R] : Its scales resemble ...

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  8. Assertion: Kraits ar poisonous snakes. Reason: Belly scales are smal...

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  9. [A] : In the adult bird , only the left ovary is well developed . [R...

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  10. [A] : Rabbit is classified as mammal . [R] : Rabbit possesses mammar...

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  11. [A] : Origin of mammals is polyphyletic . [R] : Mammals are derived...

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  12. [A] : The Ascidian tadpole larva possess all the basic chordate charac...

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  13. [A] : Tail wagging dance is performed for short distances . It conveys...

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  14. [A] : A pair of coxal glands are found in each side of metasoma of sco...

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  15. [A] : Honey bees are social insects known for producing honey and bees...

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  16. Assertion : Cold blooded animals do not have fat layer. Reason : Col...

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  17. [A] : Neoteny is the retention of larval form throughout the life . ...

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  18. [A] : In Parthenogenesis , fertilized egg is stimulated to divide . ...

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  19. [A] : Protozoans have no physiological division of labour . [R] : Th...

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  20. [A] : Many desert mammals cool the exhaled air in their noses , befor...

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