Top 10 mcqs

MCQ Quiz Q1. What is the basic unit of life? A. Tissue B. Cell C. Organ D. System Show Answer ✅ Answer: B. Cell Q2. Which m…

Q. Which of the following phytohormone is responsible for regulating the opening and closing of stomata ? A) GA B) ABA C) IBA D) k…

Q. The amount of water to be added to 10 ml of 10 N HCL solution to make it decinormal solution is A) 1000 ml B) 990 ml C) 100 ml …

Q. At which stage of mitosis do you find chromosomes being first visible under the microscope ? A) Metaphase B) Telophase C) Prophase …

Q. Which one of the following is not a water soluble vitamin ? A) Cyanocobalamine B) Ascorbic acid C) Retinol D) Niacin ... …

Q. Histamine is released by which of these cells ? A) Macrophages B) Lymphocytes C) Mast cells D) Basophils ... Answer is …

Q. An allosteric inhibitor of an enzyme usually A) binds to the active site B) participates in feedback regulation C) denatures the en…