NEET Cheat Sheet 2026

The 30 highest-yield NEET facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which of the following is an example of mutualism? → Mycorrhizae with plant roots
2. Among the most widely used drugs in medicine iodex is → methyl salicylate
3. Which of the following correctly describes the work done by a conservative force in a closed path? → Always zero
4. The responsibility for new messenger RNA transcription is taken up by . → steroid hormones
5. What is biomagnification? → Accumulation of toxins at higher trophic levels in a food chain
6. Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature? → Boyle's Law
7. Woodiness in plant tissues is caused by a process called . → Lignification
8. In Young's double slit experiment, if the distance between the slits is halved and the distance to the screen is doubled, the fringe width becomes: → 4 times
9. Which part of the brain is primarily responsible for regulating body temperature, hunger, and thirst? → Hypothalamus
10. What is the process of gas exchange between blood and body cells called? → Internal (tissue) respiration
11. The electric field inside a charged hollow spherical conductor is: → Zero
12. What is the hybridization of carbon atoms in ethylene (ethene, CH2=CH2)? → sp2
13. Which of the following is an example of a syncarpous gynoecium? → Tomato
14. Which of these plants might not be suitable for hydroponic cultivation? → Carrot
15. What is the term for the variety of life on Earth, including genetic, species, and ecosystem diversity? → Biodiversity
16. What is the IUPAC name of the compound CH₃-CH₂-OH? → Ethanol
17. What is the correct name for the compound CH3-CO-CH3? → Acetone (Propanone)
18. What is the product when a carboxylic acid reacts with an alcohol in the presence of acid catalyst? → Ester
19. What is true about the following statements? → All Chondrichthyes are marine animals with a streamlined body with some exceptions
20. Which layer of the atmosphere contains the ozone layer? → Stratosphere
21. Which type of immunity is acquired through vaccination? → Artificial active immunity
22. This trait of a hormone prevents it from exerting its full action in the absence of another hormone. → permissiveness
23. Which of the following correctly describes the lac operon in the presence of lactose and absence of glucose? → CAP-cAMP activates; operon ON
24. What is the name of the protein that carries oxygen in red blood cells? → Hemoglobin
25. What is the name of the reaction where an organic halide reacts with aqueous KOH to form an alcohol? → Nucleophilic substitution
26. The transition metals become increasingly abundant when interstitial compounds form. → none of the above
27. The work function of a metal is 2 eV. What is the threshold frequency for the photoelectric effect? (h = 6.6 × 10⁻³⁴ J·s) → 4.83 × 10¹⁴ Hz
28. In a dihybrid cross between AaBb × AaBb, what fraction of offspring will show both dominant traits? → 9/16
29. In angiosperms, the endosperm is: → Triploid (3n)
30. Which type of bond involves the sharing of electrons between atoms? → Covalent bond