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Human Health and Disease NEET PYQs

Class XII Biology • NCERT Based • NEET Practice

📘 Concept Based 📝 Exam Level 🤖 AI Explanations
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24 questions in this chapter
Question 21 of 24
🟢 Re NEET 2026 📘 CLASS XII
Colostrum, secreted by the mother during the initial days of lactation, is abundant in
Colostrum is rich in IgA antibodies that provide passive immunity to the newborn.
Question 22 of 24
🟢 Re NEET 2026 📘 CLASS XII
Which of the following statements is correct about Plasmodium?
The asexual life cycle occurs in humans, whereas fertilization and sexual reproduction occur inside the gut of the female Anopheles mosquito.
Question 23 of 24
🟢 NEET 2026 📘 CLASS XII
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
Nicotine stimulates catecholamine release. Morphine is a sedative and painkiller. Heroin is a depressant. Cocaine causes euphoria and increased energy.
Question 24 of 24
🟢 NEET 2026 📘 CLASS XII
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:
Female Anopheles injects sporozoites into humans. They first infect liver cells, then RBCs where repeated asexual multiplication occurs, followed by formation of gametocytes.