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


Comments

Popular posts from this blog

Human Muscular System – Complete Muscles Chart with Explanation

NEET 2025 Chapter-wise MCQs in Hindi – Physics, Chemistry, Biology with Answers

NEET Biology Chapter 2: Biological Classification | NCERT Notes & Five Kingdom System