Ncert- science – class 7- Chapter 7 – Transportation in Animals and Plants 1 Welcome to your Ncert- science – class 7- Chapter 7 – Transportation in Animals and Plants 1 1. Urine is stored in the Ureter Urinary bladder Urethra Kidney None 2. The capillaries join up to form _____ which empty into the _____. Veins, Lungs Arteries, Heart Arteries, Lungs Veins, Heart None 3. None 4. Due to the presence of hemoglobin, ____________. Arteries appear blue Veins appear red Veins appear blue Arteries appear red None 5. The correct sequence of urine movement is Bladder --> Kidney --> Ureter -->Urethra Kidney -->Ureter -->Bladder -->Urethra Kidney -->Bladder -->Ureter --> Urethra Bladder -->Urethra -->Kidney -->Ureter None 6. The relatively clear fluid medium which carries various other suspended cells of blood is called________. RBC Platelets WBC Plasma None 7. The heart is an organ that beats continuously to act as a pump for the transport of blood, which carries other substances with it.The heart is located in the chest cavity with its lower tip slightly tilted towards the left.The two upper chambers are called the atria.the two lower chambers are called the ventricles.Correct statements about the human heart are- All statements are correct. 1 and 4 are correct. 3 and 4 are incorrect. 1, 2 and 4 are correct. None 8. The walls of veins are not thick as those of arteries because? The blood is under low pressure. The blood is in less quantity. The blood is deoxygenated. The blood is thicker. None 9. Which of the following is likely to increase in number when the body is under attack from bacteria? Platelets RBCs Bone cells WBCs None 10. The tubes which connect the kidney and urinary bladder is known as Kidney Ureter Urethra None of the above None 11. Arteries are best defined as the vessels which Break up into capillaries which reunite to form a vein Supply oxygenated blood to the different organs Carry blood from one visceral organ to another visceral organ Carry blood away from the heart to different organs None 12. Which of the following is used as artificial kidney in the patients suffering from kidney failure?, Ventilation Dialysis Circulation Filteration None 13. Which among the following is/are function of blood vessels? All of the above. Blood vessels are the tube-like structures which carry the blood through cells, tissues and organs. Blood vessels are the flat structures which transport oxygen to different parts of the body. Blood vessels absorbs oxygen from air in the heart. None 14. Which of the following statements are true-Pulmonary artery carries blood from the heart, so it is called an artery and not a vein.It carries carbon dioxide-rich blood to the lungs.Pulmonary vein carries oxygen-rich b All the statements are true Statement 2 and 3 are true Statement 1 and 2 are true Statement 3 and 1 are true None 15. Which of the following activities benefit in maintaining a healthy heart? All of the above Walking everyday Practicing Yoga Quitting smoking None 16. The separation of the atria and ventricles helps to: Pump blood only to upper parts of the body. Prevent mixing of the blood. Both A and C. Pump blood only to lower parts of the body. None 17. Why is the blood from the heart should be transported to the lungs? For removal of carbon dioxide For removal of water For removal of oxygen None of the above None 18. The stethoscope was discovered by Leopold Auenbrugger Rene Laennec Jean-Nicolas Corvisart Antonie van Leeuwenhoek None 19. Arteries can be distinguished from veins because the arteries have: Thicker walls More blood cells Thinner walls More plasma None 20. Pulmonary vein carries oxygenated blood from: Heart to lungs Heart to its walls Heart to all body parts Lungs to heart None 21. The composition of urine is: 25% water, 2.5 % urea and 2.5% other waste None of the above 95% water, 2.5 % urea and 12.5% other waste 95% water, 2.5 % urea and 2.5% other waste None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
