Entry Test MCQ :: Homeostasis
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11. |
Which of the following marine fishes are considered direct descendents of fresh water ancestors? |
A. |
Hagfish |
B. |
Jelly Fish |
C. |
Star Fish |
D. |
Bony fishes |
Answer: Option D
Explanation:
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12. |
Which of the following fishes excrete large volume of diluted urine? |
A. |
Bony Marine fishes |
B. |
Fresh water fishes |
C. |
Both depending upon the surrounding water |
D. |
None of these |
Answer: Option B
Explanation:
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13. |
Terrestrial animals like kangaroo rat survive even without drinking water since |
A. |
They don't require water for their metabolic process |
B. |
They can retain excessive water in their body during raining season. |
C. |
They feed on carbohydrate rich seeds which can provide them with metabolic water |
D. |
They are anhydrobiotic organisms |
Answer: Option D
Explanation:
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14. |
The characteristic which enable animals to tolerate dehydration is called |
A. |
Osmoconformation |
B. |
Osmoregulaton |
C. |
Anhydrobiosis |
D. |
Anhydrosis |
Answer: Option C
Explanation:
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15. |
Which excretory product in produced in plants during autotrophic mode of life? |
Answer: Option C
Explanation:
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16. |
In plants which of the following is a waste product produced both during photosynthesis and respiration |
Answer: Option B
Explanation:
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17. |
Which of the following structure in plant's body is called excretophores? |
Answer: Option B
Explanation:
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18. |
Which of the following statement about conifers is correct? |
A. |
Stored excretory products in vacuoles, at a concentration that leads to crystal formation. |
B. |
Accumulate waste in leaves, which fall in autumn. |
C. |
Production of black wood in the center. |
D. |
Excrete some of the waste materials directly into soil, occasionally using them as a chemical weapon against other competing plants. |
Answer: Option D
Explanation:
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19. |
In animals excess of nitrogen is excreted primarily in form of |
A. |
Creatinine |
B. |
Trimethyamine oxide |
C. |
Pyrimidine |
D. |
Ammonia |
Answer: Option D
Explanation:
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20. |
Purine and pyrimidine catabolism results in production of |
A. |
Creatinine |
B. |
Trimethyamine oxide |
C. |
Xanthine |
D. |
None of these |
Answer: Option C
Explanation:
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