M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which blood cells are responsible for immunity? (A) RBC (B) Platelets (C) WBC (D) Plasma 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (C) WBC Explanation: WBCs defend against pathogens.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which hormone is secreted by pancreas? (A) Thyroxine (B) Insulin (C) Adrenaline (D) Estrogen 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) Insulin Explanation: Insulin regulates glucose levels.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which type of joint is present in shoulder? (A) Hinge joint (B) Ball and socket (C) Pivot joint (D) Fixed joint 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) Ball and socket Explanation: Shoulder joint allows maximum movement.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which part of plant transports food? (A) Xylem (B) Phloem (C) Cambium (D) Epidermis 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) Phloem Explanation: Phloem transports sugars.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which stage of mitosis shows chromosome alignment? (A) Prophase (B) Metaphase (C) Anaphase (D) Telophase 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) Metaphase Explanation: Chromosomes align at equatorial plate.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which of the following is the functional unit of life? (A) Cell (B) Tissue (C) Organ (D) Organ system 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (A) Cell Explanation: Cell is the smallest unit capable of performing all life processes.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which pigment is responsible for photosynthesis? (A) Chlorophyll (B) Carotene (C) Xanthophyll (D) Anthocyanin 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (A) Chlorophyll Explanation: Chlorophyll captures light energy for photosynthesis.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. What is the product of light reaction of photosynthesis? (A) Glucose (B) ATP and NADPH (C) CO2 (D) Starch 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) ATP and NADPH Explanation: Light reactions produce ATP and NADPH.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. DNA replication is: (A) Conservative (B) Semiconservative (C) Dispersive (D) Random 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) Semiconservative Explanation: Each daughter DNA has one parental strand.
M Mr. Dubey 🎓 Coach ⭐ 104.48K Points 📊 Biology Q. Which part of brain controls balance? (A) Cerebrum (B) Cerebellum (C) Medulla (D) Hypothalamus 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) Cerebellum Explanation: Cerebellum maintains posture and balance.