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11. |
Analogous organs are: |
A. |
Having similar function and similar origin |
B. |
Having similar function but different origin |
C. |
Found only in higher groups of animals |
D. |
Found only in lower groups of animals |
Answer: Option B
Explanation:
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12. |
Vestigial organs are the: |
A. |
Primordial organs |
B. |
Organs fully developed at present but not developed earlier |
C. |
Organs fully developed once but now reduced due to disuse |
D. |
Organs market only in embryonic stage |
Answer: Option C
Explanation:
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13. |
The fore limbs of man and wings of birds are example of: |
A. |
Analogous organs |
B. |
Homologous organs |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option B
Explanation:
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14. |
Homologous structures in organisms are: |
A. |
Similar in origin but similar or dissimilar in function |
B. |
Dissimilar in origin but different in function |
C. |
Dissimilar both in origin and function |
D. |
Dissimilar both in origin and structure |
Answer: Option A
Explanation:
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15. |
Peripatus is a connecting link between: |
A. |
Annelids and arthropods |
B. |
Arthropods and molluscs |
C. |
Molluscs and Arthropods |
D. |
Annelids and molluscs |
Answer: Option A
Explanation:
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16. |
Connecting link between annelids and molluscs is: |
A. |
Neopilina |
B. |
Peripatus |
C. |
Archaeopteryx |
D. |
None of these |
Answer: Option A
Explanation:
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17. |
Archaeopteryx a fossil discovered from Germany showed mixture of: |
A. |
Amphibian and reptilian characters |
B. |
Reptilian and avian characters |
C. |
Avian and mammalian characters |
D. |
None of these |
Answer: Option B
Explanation:
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18. |
Which of the following birds had teeth in beak: |
A. |
Kiwi |
B. |
Ostrich |
C. |
Archaeopteryx |
D. |
Pelican |
Answer: Option C
Explanation:
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19. |
Connecting link between mammals and reptiles are: |
A. |
Amphibians |
B. |
Dinosaurs |
C. |
Protozoans |
D. |
Prototherians |
Answer: Option D
Explanation:
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20. |
Which of the following protozoans is considered a connecting link between animals and plants: |
A. |
Amoeba |
B. |
Entamoeba |
C. |
Paramecium |
D. |
Euglena |
Answer: Option D
Explanation:
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