IGCSE O Level Biology MCQs – Practice Test 16 (Chapter 6)

Ecology: O level Biology Notes Questions with Answers PDF Download – Test 16

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Ecology O level Biology Test Questions and Answers PDF Download: MCQ 16

MCQ 76: Highly concentrated urine is produced by:

freshwater bony fish
marine bony fish
marine boneless fish
freshwater boneless fish

MCQ 77: More selective reabsorption of water is carried out in kidneys of:

marine boneless fish
freshwater bony fish
marine bony fish
freshwater boneless fish

MCQ 78: Slimy scaly skin helps in:

glide swiftly in water
respire
osmosis
reduce rate of water loss

MCQ 79: Series of energy transference in the form of food is called a:

food pyramid
food chain
ecological niche
food cycle

MCQ 80: More energy is available in a:

shorter food chain
longer food chain
smaller food cycle
larger food cycle

Ecology: O level Biology Notes App & e-Book – IGCSE O Level Biology Admission Tests

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