🧬 BIOLOGY CLASS 10 – CHAPTER-WISE DEEP PAPER (2026)
🟢 CHAPTER 10 – GASEOUS EXCHANGE
✅ MCQs
- Gas exchange occurs in:
- A) Bronchi
- B) Trachea
- C) Alveoli ✅
- D) Larynx
- Hemoglobin carries:
- A) CO₂
- B) O₂ ✅
- C) Nitrogen
- D) Hydrogen
✏️ Short Questions
- Define gaseous exchange.
- What is the function of alveoli?
- Difference between inhalation and exhalation.
- Why lungs are spongy?
📝 Long Questions
- Explain the mechanism of breathing.
- Describe the structure of lungs with diagram.
🔵 CHAPTER 11 – HOMEOSTASIS
✅ MCQs
- Functional unit of kidney:
- A) Neuron
- B) Nephron ✅
- C) Alveoli
- D) Glomerulus
- Hormone controlling water balance:
- A) Insulin
- B) ADH ✅
- C) Thyroxine
- D) Estrogen
✏️ Short Questions
- Define homeostasis.
- What is dialysis?
- Function of kidney.
- Role of ADH.
📝 Long Questions
- Explain structure of nephron with diagram.
- Describe urine formation.
🟣 CHAPTER 12 – COORDINATION & CONTROL
✅ MCQs
- Basic unit of nervous system:
- A) Nephron
- B) Neuron ✅
- C) Hormone
- D) Synapse
- Reflex action is:
- A) Slow
- B) Automatic ✅
- C) Voluntary
- D) Controlled
✏️ Short Questions
- Define neuron.
- What is synapse?
- Difference between hormones and nerves.
- What is reflex action?
📝 Long Questions
- Explain reflex arc with diagram.
- Describe human brain parts and functions.
🟡 CHAPTER 13 – SUPPORT & MOVEMENT
✅ MCQs
- Bone to bone connection:
- A) Tendon
- B) Ligament ✅
- C) Muscle
- D) Cartilage
- Joint allowing movement in all directions:
- A) Hinge
- B) Ball and socket ✅
- C) Fixed
- D) Pivot
✏️ Short Questions
- Define joint.
- What is tendon?
- Function of skeleton.
- Define arthritis.
📝 Long Questions
- Explain types of joints with examples.
- Describe human skeleton system.
🔴 CHAPTER 14 – REPRODUCTION
✅ MCQs
- Male gamete:
- A) Ovum
- B) Sperm ✅
- C) Zygote
- D) Embryo
- Fusion of gametes:
- A) Pollination
- B) Fertilization ✅
- C) Germination
- D) Reproduction
✏️ Short Questions
- Define fertilization.
- What is pollination?
- Difference between sexual & asexual reproduction.
- Define zygote.
📝 Long Questions
- Describe human reproductive system.
- Explain life cycle of flowering plant.
⚫ CHAPTER 15 – INHERITANCE
✅ MCQs
- Father of genetics:
- A) Darwin
- B) Mendel ✅
- C) Lamarck
- D) Watson
- Trait that appears:
- A) Recessive
- B) Dominant ✅
- C) Hidden
- D) Weak
✏️ Short Questions
- Define gene.
- What is allele?
- Define dominant trait.
- What is Punnett square?
📝 Long Questions
- Explain Mendel’s law of segregation.
- Describe monohybrid cross with diagram.
⚪ CHAPTER 16 – MAN AND HIS ENVIRONMENT
✅ MCQs
- Study of environment:
- A) Biology
- B) Ecology ✅
- C) Physics
- D) Chemistry
- Chain of energy transfer:
- A) Food web
- B) Food chain ✅
- C) Ecosystem
- D) Habitat
✏️ Short Questions
- Define ecosystem.
- What is food chain?
- Causes of pollution.
- Define global warming.
📝 Long Questions
- Explain components of ecosystem.
- Describe carbon cycle / water cycle.
🎯 BONUS: IMPORTANT EXPECTED QUESTIONS 2026
- Nephron diagram 🌟
- Reflex arc 🌟
- Mendel experiment 🌟
- Human reproductive system 🌟
- Breathing mechanism 🌟
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