This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 38 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cytosine always pairs with A) Adenine. B) Thymine. C) Uracil. D) Guanine. Show Answer Correct Answer: D) Guanine. 2. Complete the sentence.Pollen fertilises the ovum. This produces ..... A) Ovary. B) Egg. C) Zygote. D) Baby plant. Show Answer Correct Answer: C) Zygote. 3. Comparison of working of lever and limbs of animals will be studied under A) Biometry. B) Biophysics. C) Biochemistry. D) Bioeconomic. Show Answer Correct Answer: B) Biophysics. 4. Fill in the missing word:Nitrogen has to be in the form of? ? ? ? ? for plants to absorb it. A) Phosphates. B) Carbon. C) Nitrates. D) Sulphated. Show Answer Correct Answer: C) Nitrates. 5. Which tissue allows plants to develop wider stems and roots? A) Phloem. B) Xylem. C) Lateral meristems. D) Apical meristems. Show Answer Correct Answer: C) Lateral meristems. 6. One example of a prokaryote is a ..... A) Fungus. B) Bacteria. C) Animal. D) Plant. Show Answer Correct Answer: B) Bacteria. 7. When death rate is equal to birth rate ..... A) Population increases. B) Population decreases. C) Population stays the same. D) Population rapidly increases then becomes stable. Show Answer Correct Answer: C) Population stays the same. 8. What does the word root "Bio" mean? A) Life. B) Living. C) Existing. D) Moving. Show Answer Correct Answer: A) Life. 9. Organs transplant fails if the A) Excess heparin found in blood. B) Recipient is not ready for transplant. C) Organ is perceived as a toxin by the recipient body. D) None of above. Show Answer Correct Answer: C) Organ is perceived as a toxin by the recipient body. 10. Later in cell division, the two sister chromatids of each duplicated chromosome separate and move into two new ..... A) Nuclei. B) Cytoplasms. C) They don't move. D) None of above. Show Answer Correct Answer: A) Nuclei. 11. Which most directly controls the rate at which food is broken down to release energy? A) Enzymes. B) Hormones. C) Nucleic acids. D) Vitamins. Show Answer Correct Answer: A) Enzymes. 12. Biology is the study of .....? A) Animals. B) Plants. C) Bacteria. D) All living things. Show Answer Correct Answer: D) All living things. 13. Which kingdom is multicellular and autotrophic? A) Animalia. B) Fungi. C) Prokaryote. D) Protista. Show Answer Correct Answer: D) Protista. 14. Who discovered cell from a cork made from bark of an Oak tree? A) Robert Brown. B) Robert Hooke. C) Carl Watson. D) Charles Darwin. Show Answer Correct Answer: B) Robert Hooke. 15. It deals with the practical application of living organisms to make substances for the welfare of mankind. A) Entomology. B) Immunology. C) Biotechnology. D) Pharmacology. Show Answer Correct Answer: C) Biotechnology. 16. What charge does water (H2O) have? A) Positive. B) Negative. C) Neutral. D) Positive and negative. Show Answer Correct Answer: C) Neutral. 17. What is the purpose of cytology? A) Management and Control. B) Examines the structure of a cell. C) The examination of cells from the body under a microscope. D) None of above. Show Answer Correct Answer: C) The examination of cells from the body under a microscope. 18. The source of energy plants use to make food A) Photosynthesis. B) Air. C) Sunlight. D) Soil. Show Answer Correct Answer: C) Sunlight. 19. WHAT IS AFTER THE SMALL INTESTINE? A) Large intestine. B) Nothing. C) Liver. D) Pancreas. Show Answer Correct Answer: A) Large intestine. 20. The shortest stage of mitosis. Begins with the two sister chromatids of each pair suddenly part. Each chromatid thus becomes a chromosome. What phase is this? A) Telophase. B) Anaphase. C) Prophase. D) Metaphase. Show Answer Correct Answer: B) Anaphase. ← PreviousNext →Related QuizzesScience QuizzesBiology Quiz 1Biology Quiz 2Biology Quiz 3Biology Quiz 4Biology Quiz 5Biology Quiz 6Biology Quiz 7Biology Quiz 8Biology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books