Which cells secrete the wax found on the body of a cockroach?
Correct answer C. Oenocytes
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Biology MCQs
Page 19 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 19 of 75
From which cells do the bristles on a cockroach’s body arise?
Correct answer D. Trichogen cell
In which layer of a cockroach’s cuticle is melanin pigment found?
Correct answer C. Exocuticle
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In which layer of a cockroach’s cuticle is chitin absent?
Correct answer B. Epicuticle
Which organism causes abscesses on the skin of a person’s arms or legs?
Correct answer D. Guinea worm
In which phylum is the body usually divided into head, thorax and abdomen?
Correct answer C. Arthropods
In arthropods, which layer secretes the chitinous cuticle that covers the body?
Correct answer B. Epidermis
How many pairs of legs do all insects have?
Correct answer A. 3
What is the rasping, tongue-like structure with many horny teeth found in the mouth of many molluscs?
Correct answer D. Radula
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To which group do snails belong?
Correct answer D. Gastropods
What is the stiff rod of special cells wrapped in connective tissue that lies mid-dorsally in the embryos of all chordates?
Correct answer B. Notochord
Approximately how many species belong to the phylum Chordata?
Correct answer C. 50,000
By what other name is the subphylum Vertebrata known?
Correct answer A. Craniata
Which group is considered the most primitive and certainly the first of the vertebrates?
Correct answer C. Jawless fishes
To which group of fishes does Scoliodon, the dogfish, belong?
Correct answer A. Cartilaginous fishes
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Into which space does the nephrostome of an earthworm open?
Correct answer A. Internal Body cavity
Through which structure do earthworm nephridia open into the coelom?
Correct answer B. Nephrostome
When water is scarce, what percentage of the glomerular filtrate can the mammalian kidney reabsorb to save water?
Correct answer A. 99.50%
Which filtrate contains large amounts of amino acids, glucose and salts?
Correct answer C. Glomerular filtrate
From what do Malpighian tubules absorb wastes and salts?
Correct answer D. Haemolymph