NEET · Biology —

Human Health and Disease appeared 2 times across 1 year — 2.2% of Biology. This question is from Drugs and Alcohol Abuse.

Year 2024 Total
Questions 2 2
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Match List I with List II:
List I (Drug)List II (Effect)
A. NicotineI. Causes sense of euphoria and increased energy
B. MorphineII. Stimulates adrenal gland to release catecholamines into blood circulation
C. HeroinIII. Effective sedative and painkiller
D. CocaineIV. A depressant; slows down body function
Choose the correct answer from the options given below:

Solution & Explanation

Core Logic

Nicotine is present in tobacco and it activates the adrenal medulla to release catecholamines into blood circulation, so (A) arrow II. Morphine acts as an effective sedative and painkiller. It is an opioid, so (B) arrow III. Heroin acts as a depressant and slows down body function, so (C) arrow IV. Cocaine acts as a stimulant and causes a sense of euphoria and increased energy, so (D) arrow I.

Step 1: Final Conclusion

Thus, the matching is (A) arrow II, (B) arrow III, (C) arrow IV, (D) arrow I.

Pattern Recognition

Heroin is a depressant. Cocaine is a strong stimulant (euphoria). Morphine is a clinical sedative. Nicotine triggers adrenaline (catecholamines).

Chapter Mix

Class 12 Biology: Human Health and Disease

Reference Study Guides

Human Health And Disease

More Human Health and Disease Previous-Year Questions

Q170 neet_2026_03_may_morning Life Cycle of Plasmodium
The following are the stages of life cycle of Plasmodium. Arrange the stages in the proper order. A. The parasites reproduce asexually in RBCs, bursting the cells. B. The parasites reproduce asexually in liver cells, bursting the cells and releasing into blood. C. Gametocytes develop in RBCs. D. Sporozoites reach the liver through the blood. E. Female mosquito injects sporozoites into humans during bite. Choose the correct answer from the options given below:
  • A. A, B, C, D, E
  • B. E, D, B, A, C
  • C. C, A, B, D, E
  • D. E, C, D, B, A

Solution

Core Logic

Plasmodium enters the human body as sporozoites through the bite of an infected female Anopheles mosquito (E). The sporozoites travel through the blood to reach the liver (D). The parasites initially multiply asexually within the liver cells (B) and then enter the blood stream to attack the RBCs resulting in their rupture (A). Sexual stages (gametocytes) eventually develop in red blood cells (C).

Step 1: Final Conclusion

The correct sequence is E arrow D arrow B arrow A arrow C.

Pattern Recognition

Bite (E) arrow Blood to Liver (D) arrow Hepatic phase (B) arrow Erythrocytic phase (A) arrow Gametocyte formation (C).

Chapter Mix

Class 12 Biology: Human Health and Disease

More Human Health and Disease Questions — neet_2026_03_may_morning

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Rankbit System
JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)