Zoology Flashcards

6 cards from real NEET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Zoology flashcards as text

What is the role of platelets (thrombocytes) in the human body?
Answer: Blood clotting
Platelets aggregate at wound sites and release clotting factors that initiate the coagulation cascade to stop bleeding.
Which enzyme initiates protein digestion in the stomach?
Answer: Pepsin
Pepsin, activated from pepsinogen by hydrochloric acid in the stomach, breaks down proteins into smaller peptides.
What is the scientific name for the 'voice box' in humans?
Answer: Larynx
The larynx contains the vocal cords and is responsible for producing sound and protecting the airway during swallowing.
In humans, how many pairs of spinal nerves are present?
Answer: 31 pairs
The human spinal cord gives rise to 31 pairs of spinal nerves: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal.
Which connective tissue connects muscle to bone?
Answer: Tendon
Tendons are tough, fibrous connective tissues composed mainly of collagen that attach muscles to bones.
What is the primary nitrogenous waste product excreted by humans?
Answer: Urea
Humans are ureotelic organisms that convert ammonia to urea in the liver via the urea cycle, which is then excreted by the kidneys.

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