Question : Which of the following combinations is not correctly matched?
Option 1: Ammonotelic - aquatic animals
Option 2: Uricotelic - reptiles and birds
Option 3: Ureotelic - terrestrial mammals
Option 4: Ammonotelic - cartilaginous fish
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Correct Answer: Ammonotelic - cartilaginous fish
Solution : The correct answer is Ammonotelic - cartilaginous fish.
Ammonia is excreted by ammonotelic organisms as nitrogenous waste. Fish are aquatic organisms that belong to the kingdom Animalia. But not all fish are ammonotelic; some are ureotelic as well. Ureotelic organisms are those that excrete nitrogenous waste in the form of urea, and cartilaginous fishes are ureotelic in nature.
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Question : In which one of the following is the swim bladder absent?
Option 1: Cuttlefish
Option 2: Bony fish
Option 3: Cartilaginous fish
Option 4: Silverfish
Question : Which of the following members of the animal kingdom has a four-chambered heart?
Option 1: Amphibians
Option 2: Reptiles (except crocodiles)
Option 3: Fishes
Option 4: Birds
Question : Which of the following is not correctly matched?
Option 1: Hopman Cup - Tennis
Option 2: Azlan Shah Cup - Hockey
Option 3: Sudirman Cup- Chess
Option 4: Uber Cup -Badminton
Question : 'Pigeon milk' is produced by:
Option 1: crop
Option 2: birds
Option 3: mammals
Option 4: all of the above
Question : Which of the following is correctly matched?
Option 1: Electric force - kilowatt minute
Option 2: Electric potential - kilowatt seconds
Option 3: Electric energy - kilowatt-hour
Option 4: Electric power - kilohour
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