BOTANY & ZOOLOGY – Top 25 Most Important MCQs for NEET & Exams
🌿 BOTANY & 🐾 ZOOLOGY – Top 25 Most Important MCQs (Exam Oriented)
Introduction
यह पोस्ट NEET, SSC, UPSC, Railway, Nursing और अन्य competitive exams के लिए बेहद उपयोगी है। इसमें Botany और Zoology के सबसे महत्वपूर्ण MCQs दिए गए हैं, जो बार-बार परीक्षाओं में पूछे जाते हैं।
🌿 BOTANY – Top 25 Most Important MCQs
1. Light reaction of photosynthesis occurs in
A. Stroma
B. Grana
C. Cytoplasm
D. Mitochondria
✅ Answer: B
2. CO₂ fixation in Calvin cycle is done by
A. PEP carboxylase
B. RuBisCO
C. ATP synthase
D. NADP reductase
✅ Answer: B
3. First stable product of C₄ cycle is
A. PGA
B. RuBP
C. Oxaloacetic acid
D. Malic acid
✅ Answer: C
4. Nitrogen fixation enzyme is
A. Catalase
B. Nitrogenase
C. Dehydrogenase
D. Nitrate reductase
✅ Answer: B
5. Transpiration pull occurs through
A. Phloem
B. Xylem
C. Cambium
D. Cortex
✅ Answer: B
6. Leading strand in DNA replication is synthesized
A. Discontinuously
B. Continuously
C. Both
D. None
✅ Answer: B
7. Genetic code is
A. Ambiguous
B. Overlapping
C. Universal
D. Non-degenerate
✅ Answer: C
8. Thymine is replaced by which base in RNA?
A. Cytosine
B. Uracil
C. Adenine
D. Guanine
✅ Answer: B
9. Double fertilization occurs in
A. Gymnosperms
B. Bryophytes
C. Angiosperms
D. Pteridophytes
✅ Answer: C
10. Endosperm is generally
A. Haploid
B. Diploid
C. Triploid
D. Tetraploid
✅ Answer: C
🐾 ZOOLOGY – Top 25 Most Important MCQs
26. Human heart is
A. Two chambered
B. Three chambered
C. Four chambered
D. Five chambered
✅ Answer: C
27. Universal donor blood group is
A. AB⁺
B. O⁺
C. O⁻
D. AB⁻
✅ Answer: C
28. Oxygen is transported by
A. Plasma
B. Hemoglobin
C. Platelets
D. RBC membrane
✅ Answer: B
29. Functional unit of kidney is
A. Neuron
B. Nephron
C. Alveolus
D. Villus
✅ Answer: B
30. Insulin is secreted by
A. Alpha cells
B. Beta cells
C. Delta cells
D. Acinar cells
✅ Answer: B
🎯 Why These MCQs Are Important?
NEET & medical entrance exams में बार-बार पूछे जाते हैं
Concept-based और factual दोनों प्रश्न शामिल
Revision के लिए perfect
📌 Tips for Students
✔ Daily 20–30 MCQs practice करें
✔ Wrong answers की explanation जरूर पढ़ें
✔ NCERT lines से connect करें
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