Biology
Animal Tissue and Anatomy
1,715 Questions
Test your knowledge of animal tissues and anatomical structures with these practice questions. The set covers human organs, reproductive systems, and sensory receptors. These fundamental biology topics frequently appear in medical and competitive examinations.
Sensory receptorsReproductive organsBody structure frameworkEar drum pressureExcretory system
Animal Tissue and Anatomy Questions
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Corpus cavernosum
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Corpus spongiosum
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Radix
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Raphe
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Epithelium
A
Correct answer
Explanation
Corpus cavernosum contains most of the blood in the penis during an erection.
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Caput
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Cauda
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Corpus
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Gubernaculum
C
Correct answer
Explanation
Corpus is the middle of epididymis.
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Corpora spongiosum
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Corpora cavernosa
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Prepuce
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Tunica albuginosa
B
Correct answer
Explanation
Corpora cavernosa consists of erectile tissue which causes erection on getting filled with blood.
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They feed on dead or injured animals
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They eat both plants and meat
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They eat plants
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They eat meat
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They eat insects
A
Correct answer
Explanation
Scavengers are animals that feed on dead or injured animals.
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dissolved in water
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proteins
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salts
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gas during inspiration
B
Correct answer
Explanation
Animals obtain nitrogen primarily through consuming proteins (which contain nitrogen in amino acid structures). Plants synthesize proteins from soil nitrates, and animals acquire nitrogen by eating plants or other animals.
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pars flaccida
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pyramidal eminence
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stria vascularis
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tensor tympani
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cochlea
C
Correct answer
Explanation
The upper portion of the spiral ligament contains numerous capillary loops and small blood vessels and is termed the stria vascularis. It produces endolymph for the scala media, one of the three fluid-filled compartments of the cochlea.
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earwax
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auricle
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ear canal
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incus
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malleus
B
Correct answer
Explanation
The auricle consists of a single piece of fibrocartilage with a complicated relief on the anterior, concave side and a fairly smooth configuration on the posterior, convex side. The Darwinian tubercle which is present in some people, lie in the descending part of the helix and corresponds to the true ear tip of the long-eared mammals.
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Cladius cells
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Boettcher cells
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umbo
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stapedius
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carotid canal
C
Correct answer
Explanation
The umbo is the most depressed part of the tympanic membrane.
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scala vestibuli
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helicotrema
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scala tympani
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modiolus
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cochlear cupula
D
Correct answer
Explanation
The modiolus is a conical shaped central axis in the cochlea. It consists of spongy bone and the cochlea turns approximately 2.5 times around it. The spiral ganglion is situated inside it.
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Spleen
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Kidneys
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Cornea of lens and eye
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Stomach
C
Correct answer
Explanation
Cornea of lens and eye is derived from ectoderm.
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Plica semilumaris
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Wisdom tooth
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Ear pinna muscle
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Vermiform appendix
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Epiglottis
E
Correct answer
Explanation
Epiglottis is not a vestigial organ.
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external orifice
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canal of the cervix
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internal orifice
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supravaginal portion
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vaginal portion
A
Correct answer
Explanation
The external orifice of the uterus (or ostium of uterus, or external os) is a small, depressed, somewhat circular aperture on the rounded extremity of the vaginal portion of the cervix. Through this aperture, the cervical cavity communicates with that of the vagina.
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outer foreskin
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inner foreskin
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ridged band
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glans penis
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frenulum
B
Correct answer
Explanation
The inner foreskin layer is not just skin, but mucocutaneous tissue of a unique type found nowhere else on the body.
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Accretionary growth
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Auxetic growth
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Allometric growth
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Intrusive growth
B
Correct answer
Explanation
Auxetic growth is seen in nematodes, rotifers and tunicates.
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Coelenterates
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Planarians
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Tunicates
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Nematodes
B
Correct answer
Explanation
Neoblasts are found in Planarians. They are undifferentiated reserve cells and help in regeneration