English MCQ Feed

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📊 Biology
Q. Which process forms gametes?
  • (A) Mitosis
  • (B) Meiosis
  • (C) Binary fission
  • (D) Budding
💬 Discuss
✅ Correct Answer: (B) Meiosis

Explanation: Meiosis produces haploid gametes.

📊 Biology
Q. Which part of nephron filters blood?
  • (A) Loop of Henle
  • (B) Glomerulus
  • (C) Collecting duct
  • (D) Tubule
💬 Discuss
✅ Correct Answer: (B) Glomerulus

Explanation: Glomerulus performs filtration.

📊 Biology
Q. Which gas is released during respiration?
  • (A) Oxygen
  • (B) Carbon dioxide
  • (C) Nitrogen
  • (D) Hydrogen
💬 Discuss
✅ Correct Answer: (B) Carbon dioxide

Explanation: CO2 is waste product.

📊 Biology
Q. Which ecological pyramid is always upright?
  • (A) Energy
  • (B) Biomass
  • (C) Numbers
  • (D) Population
💬 Discuss
✅ Correct Answer: (A) Energy

Explanation: Energy flow decreases at each level.

📊 Biology
Q. Which structure carries genetic information?
  • (A) Protein
  • (B) DNA
  • (C) Lipid
  • (D) Carbohydrate
💬 Discuss
✅ Correct Answer: (B) DNA

Explanation: DNA stores genetic code.

📊 Biology
Q. Which phase involves chromosome separation?
  • (A) Prophase
  • (B) Metaphase
  • (C) Anaphase
  • (D) Telophase
💬 Discuss
✅ Correct Answer: (C) Anaphase

Explanation: Chromatids separate in anaphase.

📊 Biology
Q. Which part of heart pumps oxygenated blood?
  • (A) Right atrium
  • (B) Left atrium
  • (C) Right ventricle
  • (D) Left ventricle
💬 Discuss
✅ Correct Answer: (D) Left ventricle

Explanation: Left ventricle pumps oxygenated blood to body.

📊 Biology
Q. Which hormone is responsible for fight or flight?
  • (A) Insulin
  • (B) Adrenaline
  • (C) Thyroxine
  • (D) Estrogen
💬 Discuss
✅ Correct Answer: (B) Adrenaline

Explanation: Adrenaline prepares body for emergency.

📊 Biology
Q. Assertion (A): DNA replication is semiconservative.
Reason (R): Each daughter DNA contains one parental and one newly synthesized strand.
  • (A) Both A and R are true and R is the correct explanation of A
  • (B) Both A and R are true but R is not the correct explanation of A
  • (C) A is true but R is false
  • (D) A is false but R is true
💬 Discuss
✅ Correct Answer: (A) Both A and R are true and R is the correct explanation of A

Explanation: Semiconservative replication means each daughter DNA has one old and one new strand.

📊 Biology
Q. Assertion (A): DNA polymerase can initiate DNA synthesis.
Reason (R): DNA polymerase requires a free 3'-OH group to add nucleotides.
  • (A) Both A and R are true and R is correct
  • (B) Both A and R are true but R is not correct
  • (C) A is true but R is false
  • (D) A is false but R is true
💬 Discuss
✅ Correct Answer: (D) A is false but R is true

Explanation: DNA polymerase cannot initiate synthesis; it needs a primer with free 3'-OH.

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