This quiz works best with JavaScript enabled. Home > Science > Biology > Biology – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biology Quiz 29 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simple squamous cells are found lining the alveoli of the lungs due to being small and flat, what is likely their function? A) Diffusion. B) Secretion. C) Absorption. D) Fight infection. Show Answer Correct Answer: A) Diffusion. 2. The most abundant bio element in the protoplasm is A) Carbon. B) Hydrogen. C) Oxygen. D) Nitrogen. Show Answer Correct Answer: C) Oxygen. 3. In the reactions of photosynthesis, simple sugar molecules are manufactured in the A) Chloroplasts. B) Mitochondria. C) Stomates. D) Vacuoles. Show Answer Correct Answer: A) Chloroplasts. 4. Which one of the items below is a living thing? A) Plant. B) Paper. C) PS4. D) Textbook. Show Answer Correct Answer: A) Plant. 5. What structure carries that amino acid to the ribosome? A) MRNA. B) RRNA. C) TRNA. D) DNA. Show Answer Correct Answer: C) TRNA. 6. Tumors may proliferate and form new tumors by entering blood vessels and lymph vessels, this spread of cancer is called A) Benign. B) Malignant. C) Metastasis. D) None of above. Show Answer Correct Answer: C) Metastasis. 7. Which of the following are responsible for transpiration? I. adhesionII. cohesionIII. evaporationIV. active transport A) I and II only. B) I, II and III only. C) I, and III only. D) I, II, III and IV. Show Answer Correct Answer: B) I, II and III only. 8. WHO SAID VIRUS MEANS POISONOUS FLUID A) D J IVANOWSKY. B) W M STANLEY. C) PASTEUR. D) M BEIJERINEK. Show Answer Correct Answer: C) PASTEUR. 9. What is Transcription? A) The making DNA segment.from mRNA. B) The making of an RNA strand into a protein. C) The making of an mRNA strand from the DNA template. D) None of above. Show Answer Correct Answer: C) The making of an mRNA strand from the DNA template. 10. Mode of nutrition in green plants is A) Heterotrophic. B) Autotrophic. C) Parasitic. D) Saprotrophic. Show Answer Correct Answer: B) Autotrophic. 11. A stimulus is ..... A) A change in an organisms surroundings that causes a reaction. B) Process in which organisms grow larger. C) A reaction to a change in surroundings. D) The result of sexual reproduction. Show Answer Correct Answer: A) A change in an organisms surroundings that causes a reaction. 12. If the concentration of Greenhouse Gases rises, then ..... A) More heat will be retained. B) More heat will be released. C) More water vapor will be retained. D) More nitrogen will be released. Show Answer Correct Answer: A) More heat will be retained. 13. Every organism needs this in order to function? A) Organization. B) Energy. C) Organization. D) Adaptation. Show Answer Correct Answer: B) Energy. 14. Why do plants need to open stomata? I. To get rid of excess CO2II. To allow transpirationIII. To exchange gases with the environment A) I only. B) I and II only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 15. Which of these problems can be caused by air pollution? A) Respiratory problems. B) Reduced food sources for humans. C) Increased disease for humans. D) Decrease in global temperatures. Show Answer Correct Answer: A) Respiratory problems. 16. Structure and function of cells. A) Biochemistry. B) Anatomy. C) Cytology. D) Morphology. Show Answer Correct Answer: C) Cytology. 17. What compound in the blood can act as an indicator of the risk of coronary heart disease. A) Water. B) Cholesterol. C) Na+. D) Jam. Show Answer Correct Answer: B) Cholesterol. 18. Which of the following are true of phloem tissue? I. plasmodesmata separate each sieve elementII. companion cells contain many mitochondria for active transportIII. the lumen of sieve elements has no organelles A) I and II only. B) I and III only. C) II and III only. D) I, II and III. Show Answer Correct Answer: C) II and III only. 19. Which characteristic do all living organisms show? A) Breathing. B) Photosynthesis. C) Tropism. D) Excretion. Show Answer Correct Answer: D) Excretion. 20. What macromolecule is made up of waxes, oils and fats? A) Carbohydrate. B) Protein. C) Lipid. D) Nucleic acid. Show Answer Correct Answer: C) Lipid. ← 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