NEET Study Guide 2026
Everything you need to pass the NEET exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 NEET Exam Format at a Glance
📚 NEET Topics to Study (45)
✍️ Sample NEET Questions & Answers
1. Which of the following provides the strongest molecular evidence for evolution from a common ancestor?
Highly conserved DNA sequences shared across vastly different species indicate descent from a common ancestor, as random mutation would have altered these sequences if species evolved independently.
2. Which of the following is NOT a product of the light reactions of photosynthesis?
Glucose is synthesized in the Calvin cycle (dark reactions) using ATP and NADPH produced by the light reactions, not directly from light reactions.
3. Which gland is often called the 'master gland' of the endocrine system?
The pituitary gland is called the master gland because it secretes hormones that regulate other endocrine glands throughout the body.
4. Which type of receptor detects changes in blood pressure?
Baroreceptors are pressure-sensitive receptors located in blood vessel walls (especially carotid sinus and aortic arch) that detect blood pressure changes.
5. This organ is neuroendocrine.
The hypothalamus is a critical neuroendocrine organ because it serves as the primary link between the nervous and endocrine systems. It receives neural signals and, in response, produces and secretes various releasing and inhibiting hormones that control the secretion of hormones from the anterior pituitary gland. It also produces ADH and oxytocin, which are stored and released by the posterior pituitary.
6. The transition metals become increasingly abundant when interstitial compounds form.
Interstitial compounds are formed when small non-metal atoms, such as carbon, nitrogen, or hydrogen, occupy the interstitial voids within the crystal lattice of transition metals. The formation of these compounds typically makes the transition metals significantly harder, more rigid, and increases their melting points. However, they generally become less ductile and less malleable, not more so.