This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 7 Transportation In Animals And Plants – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 44 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is the only artery that carries carbon di-oxide rich blood. A) Pulmonary artery. B) Capillary. C) Pulmonary Vein. D) Arota. Show Answer Correct Answer: A) Pulmonary artery. 2. A plant's green color is due to the presence of which organelle? A) Nucleus. B) Chloroplast. C) Vacuole. D) Mitochondrion. Show Answer Correct Answer: B) Chloroplast. 3. When you are grown up, your heart will beat about, A) 70 times a minute. B) 17 times a minute. C) 30 times a minute. D) None of the above. Show Answer Correct Answer: A) 70 times a minute. 4. The two upper chambers of the heart are called the atria A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. Arteries and veins are joined by a network of ..... / arteries and veins ..... A) Kidney. B) Capillaries. C) Lungs. D) Heart. Show Answer Correct Answer: B) Capillaries. 6. Which blood cells fight against germs? A) Black blood cell. B) Red blood cells. C) Platelets. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 7. How does the structure of arteries differ from that of veins? A) Arteries have thinner walls and valves, while veins have thicker walls and no valves. B) Arteries have thicker, muscular walls and no valves, while veins have thinner walls, larger lumens, and valves. C) Arteries have larger lumens and valves, while veins have thicker, muscular walls. D) Veins carry oxygenated blood, while arteries carry deoxygenated blood. Show Answer Correct Answer: B) Arteries have thicker, muscular walls and no valves, while veins have thinner walls, larger lumens, and valves. 8. Which of the following is not a function of blood? A) Blood cells, especially the WBCs, help fight infections. B) Blood helps to distribute the digested food to all parts of the body. C) Circulation of blood helps to maintain the body temperature. D) Blood removes the carbon dioxide, produced during respiration. Show Answer Correct Answer: D) Blood removes the carbon dioxide, produced during respiration. 9. Vascular tissue called ..... carries the food from the leaves to all other parts of the plants(including roots). A) Flam. B) Xylem. C) Haemoglobin. D) None of the above. Show Answer Correct Answer: A) Flam. 10. Which one of these is not a part of our circulatory sytem? A) Veins. B) Arteries. C) Heart. D) Legs. Show Answer Correct Answer: D) Legs. 11. Upper chamber of the heart is called? A) Atria. B) Ventricles. C) All the above. D) None of the above. Show Answer Correct Answer: A) Atria. 12. Red blood cells contains a pigment called ..... which make RBC appear red. A) Ribs. B) Chemical. C) Haemoglobin. D) None of these. Show Answer Correct Answer: C) Haemoglobin. 13. What is the process by which plants convert light energy into chemical energy to produce food? A) Transpiration. B) Respiration. C) Photosynthesis. D) Fermentation. Show Answer Correct Answer: C) Photosynthesis. 14. What is the FIRST stage in a chicken life cycle? A) Chick. B) Hatchling. C) Egg. D) Adult. Show Answer Correct Answer: C) Egg. 15. The plant tissue that carries food materials DOWNWARD from the leaves to the rest of the pant is the ..... A) Flam. B) Stomata. C) Chlorophyll. D) Xylem. Show Answer Correct Answer: A) Flam. 16. What is the other name of RBC? A) Lymphocytes. B) Eosinophils. C) Monocytes. D) Erythrocytes. Show Answer Correct Answer: D) Erythrocytes. 17. Which of the following mainly excretes CO$_{2}$? A) Skin. B) Kidney. C) Lungs. D) Urethra. Show Answer Correct Answer: C) Lungs. 18. Cactus plants in the desert have this to keep animals away from eating them A) Shallow Roots. B) Spines/Thorns. C) Drip-tips. D) Xylem. Show Answer Correct Answer: B) Spines/Thorns. 19. Membrane surrounding the heart is filled with A) Pericardium. B) Interstitial fluid. C) Pleural fluid. D) Pericardial fluid. Show Answer Correct Answer: D) Pericardial fluid. 20. Instrument used to hear heartbeat A) Stethoscope. B) Telescope. C) Microscope. D) All of these. Show Answer Correct Answer: A) Stethoscope. 21. Water is used to generate ..... A) Electricity. B) Flowers. C) Machines. D) None of the above. Show Answer Correct Answer: A) Electricity. 22. A red pigment of red blood cell which transport oxygen to all parts of the body is called A) Haemoglobin. B) Platelets. C) Plasma. D) None of the above. Show Answer Correct Answer: A) Haemoglobin. 23. Which one of the following favours the fastest transpiration rate? A) A cool, humid, windy day. B) A hot, humid, windy day. C) A hot, humid, still day. D) A hot, dry, windy day. Show Answer Correct Answer: D) A hot, dry, windy day. 24. What were the easiest animals to domesticate? A) Carnivores that hunt other animals. B) Herbivores that graze on vegetation. C) Insects that pollinate plants. D) Omnivores that eat both plants and animals. Show Answer Correct Answer: B) Herbivores that graze on vegetation. 25. The process in which an organism produces more of its own kind is called- A) Genetics. B) Reproduction. C) Adaptive behavior. D) Offspring. Show Answer Correct Answer: B) Reproduction. ← PreviousNext →Related QuizzesClass 7 Science Chapter 7 Transportation In Animals And Plants Quiz 1Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 2Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 3Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 4Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 5Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 6Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 7Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 8Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 9Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books