Biology
Animal Tissue and Anatomy
1,349 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
C
Correct answer
Explanation
The skin is the largest organ in the human body, covering the entire surface area and comprising about 16% of body weight. It protects the body from external damage, regulates temperature, and provides sensory information. The liver is the largest INTERNAL organ, but the skin is the largest organ overall.
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Heart
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Brain
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Liver
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Sex organ
B
Correct answer
Explanation
The medulla oblongata is the lowest part of the brainstem, located at the base of the brain connecting to the spinal cord. It controls vital autonomic functions like breathing, heart rate, and blood pressure. It is definitely part of the brain, not the heart, liver, or any other organ.
C
Correct answer
Explanation
The brain is the fattiest organ in the human body, consisting of approximately 60% fat. This high fat content is essential for proper brain function, as fats provide insulation, protection, and are crucial components of cell membranes.
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Brain
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Kidney
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Intestine
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None
A
Correct answer
Explanation
The brain is approximately 60% fat by weight, making it the fattiest organ in the human body. This is due to the high lipid content required for neural function and insulation of neurons.
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Brain
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Kidney
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Intestine
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None
A
Correct answer
Explanation
The brain is approximately 60% fat by weight, making it the fattiest organ in the human body. This is due to the high lipid content required for neural function and insulation of neurons.
C
Correct answer
Explanation
The skin is the largest organ in the human body, covering about 2 square meters in adults and comprising about 16% of body weight. It provides protection, temperature regulation, and sensation. Liver, heart, and kidneys are internal organs but are much smaller than skin.
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Heart
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Brain
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Liver
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Sex Organ
B
Correct answer
Explanation
The medulla oblongata is the lowest part of the brainstem, connecting the brain to the spinal cord. It controls vital autonomic functions like breathing, heart rate, and blood pressure.
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head cut
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hair cut
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hair fall
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hairectomy
B
Correct answer
Explanation
This is a classic riddle. Removing hair (a growth from your head) is called a "hair cut". The other options are either literal nonsense words like "hairectomy" or incorrect terms like "hair fall" and "head cut".
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Squamous epithelium
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Cuboidal epithelium
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Columnar epithelium
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Ciliated epithelium
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Striated epithelium
B
Correct answer
Explanation
It is found in kidney tubules and salivary glands.
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Bone
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Blood
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Ligament
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Tendon
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Fallopian tube
E
Correct answer
Explanation
It is a columnar epithelial tissue.
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Tracheal rings
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Bronchial rings
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Invertebral discs
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Pubic symphysis
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Only (1) and (2)
D
Correct answer
Explanation
Fibro cartilage is found in pubic symphysis.
Hyaline cartilage is found in tracheal and bronchial rings.
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Squamous tissues
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Cuboidal tissues
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Columnar tissues
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Ciliated tissues
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Striated tissues
C
Correct answer
Explanation
Yes, it is correct. They are tall and pillar like in shape.
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oropharynx
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glottis
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larynx
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pharynx
B
Correct answer
Explanation
It is defined as the narrow opening into the larynx which is guarded by a flap of tissue called the epiglottis. It contains vocal cords.
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Urethra
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Heart
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Uterus
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Lungs
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Ureter
C
Correct answer
Explanation
Oxytocin causes contraction of uterus.
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Nostrils
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Lungs
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Larynx
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Epiglottis
C
Correct answer
Explanation
Yes, it is correct. Larynx moves up and down when we speak. It is also known as voice-box, which is made up of two vocal chords which vibrate to produce sound.