NEET Zoology - MCQ Practice Questions

Which class of animals exhibits the phenomenon of holometabolous development?

Which of the following organisms possesses both a radula and a muscular foot?

Which of the following represents an adaptation for flight in birds that is NOT found in other vertebrates?

A newly discovered organism has the following characteristics: exoskeleton, jointed appendages, and open circulatory system. To which phylum does it belong?

In cnidarians, the tentacles surrounding the mouth region contain specialized cells called cnidocytes. What is their primary function?

A researcher observes an animal with chitinous exoskeleton, book lungs, and eight walking legs. Which class does this organism belong to?

Which of the following is the primary function of the glomerulus in the nephron?

The hormone that increases blood glucose concentration is:

Which enzyme initiates protein digestion in the stomach?

The cardiac cycle duration in a normal adult is approximately:

Which structure in the brain is responsible for maintaining body equilibrium and balance?

During inspiration, the diaphragm contracts and moves:

Which hormone is primarily responsible for increasing blood glucose levels during the fight-or-flight response?

The blood-brain barrier is primarily composed of which type of cell?

Which of the following enzymes is responsible for breaking down acetylcholine at the neuromuscular junction?

The phenomenon where a nerve impulse can jump from one node of Ranvier to the next is called:

Which structure in the kidney is responsible for ultrafiltration?

Which of the following hormones is primarily responsible for increasing blood glucose levels during the fasting state?

The sinoatrial (SA) node is considered the pacemaker of the heart because:

Which of the following best describes the function of the loop of Henle in the kidney?