Which of these body systems do nematodes possess?
Correct answer A. Tube-like digestive system
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Biology MCQs
Page 37 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 37 of 75
Which planet is called the bodyguard of the Earth because it protects it from many comets and asteroids?
Correct answer A. Jupiter
Which organism is commonly called the pinworm?
Correct answer A. Enterobius vermicularis
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In which group of arthropods is true metamorphosis absent?
Correct answer A. Arachnida
‘Prechordates’ is another name for which group?
Correct answer C. Hemichordates
In molluscs, over which region is the mantle present?
Correct answer B. Dorsal visceral region
Which group is believed to share a common origin with annelids?
Correct answer C. Arthropods
Which organs produce urine?
Correct answer A. Kidneys
Which of the following do polychaetes have?
Correct answer D. All of these
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At night, which gas do plants take in and which do they release?
Correct answer B. Oxygen – Carbon dioxide
What does the nervous system of nematodes consist of?
Correct answer D. All of these
All of the following are true of Platyhelminthes except which one?
Correct answer A. Coelomate
What is the exoskeleton of coelenterates made of?
Correct answer A. Calcium
From what does the pseudocoelom develop?
Correct answer D. Blastocoel
What does the excretory system of platyhelminthes consist of?
Correct answer A. Flame cells
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All of the following coelenterates show alternation of generations except which one?
Correct answer A. Hydra
What role does the enteron play in coelenterates?
Correct answer D. All of these
What is the fluid part of blood called?
Correct answer B. plasma
What is the size range of sponges (Porifera)?
Correct answer A. A few millimetres wide to more than one metre tall
What is the lifespan of white blood cells?
Correct answer C. 5–21 days