NEET Zoology - MCQ Practice Questions

Tidal volume in a healthy adult human is approximately:

Which neurotransmitter is responsible for the transmission of signals across the neuromuscular junction?

Which of the following is the primary function of the loop of Henle in the nephron?

Which organ produces erythropoietin (EPO) in response to low oxygen levels?

Which of the following best describes the role of surfactant in respiratory physiology?

Which hormone primarily regulates sodium reabsorption in the distal convoluted tubule and collecting duct?

During gastric digestion, what is the primary function of pepsin?

A person experiences tremors and rigidity due to dopamine deficiency in the basal ganglia. What is this condition?

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

The functional unit of the kidney responsible for ultrafiltration is:

During muscle contraction, which protein binds to myosin heads to allow cross-bridge cycling?

Which of the following represents the correct sequence of blood flow through the heart?

The resting membrane potential of a neuron is approximately:

Which of the following is the primary site of digestion of carbohydrates?

In the visual pathway, the structure responsible for focusing light onto the retina is:

Which of the following is the basic unit of heredity?

What is the chromosome number in a normal human somatic cell?

Which law states that traits are inherited through discrete units?

In a monohybrid cross between two heterozygous individuals (Aa × Aa), what is the probability of homozygous recessive offspring?

Which of the following best describes alleles?