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. Which of the following activities benefit in maintaining a healthy heart? Practicing Yoga Walking everyday Quitting smoking All of the above None 2. The separation of the atria and ventricles helps to: Both A and C. Pump blood only to lower parts of the body. Pump blood only to upper parts of the body. Prevent mixing of the blood. None 3. Arteries can be distinguished from veins because the arteries have: Thicker walls More plasma More blood cells Thinner walls None 4. The correct sequence of urine movement is Kidney -->Bladder -->Ureter --> Urethra Kidney -->Ureter -->Bladder -->Urethra Bladder -->Urethra -->Kidney -->Ureter Bladder --> Kidney --> Ureter -->Urethra None 5. The tubes which connect the kidney and urinary bladder is known as None of the above Urethra Ureter Kidney None 6. The capillaries join up to form _____ which empty into the _____. Arteries, Lungs Arteries, Heart Veins, Heart Veins, Lungs None 7. Urine is stored in the Urethra Kidney Urinary bladder Ureter None 8. Pulmonary vein carries oxygenated blood from: Heart to all body parts Lungs to heart Heart to lungs Heart to its walls None 9. 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 Statement 3 and 1 are true Statement 2 and 3 are true All the statements are true Statement 1 and 2 are true None 10. Why is the blood from the heart should be transported to the lungs? For removal of water For removal of oxygen None of the above For removal of carbon dioxide None 11. The relatively clear fluid medium which carries various other suspended cells of blood is called________. Platelets RBC WBC Plasma None 12. The stethoscope was discovered by Antonie van Leeuwenhoek Rene Laennec Jean-Nicolas Corvisart Leopold Auenbrugger None 13. 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- 1 and 4 are correct. 1, 2 and 4 are correct. 3 and 4 are incorrect. All statements are correct. None 14. The composition of urine is: 95% water, 2.5 % urea and 2.5% other waste 95% water, 2.5 % urea and 12.5% other waste None of the above 25% water, 2.5 % urea and 2.5% other waste None 15. Arteries are best defined as the vessels which Carry blood from one visceral organ to another visceral organ Supply oxygenated blood to the different organs Break up into capillaries which reunite to form a vein Carry blood away from the heart to different organs None 16. Which of the following is likely to increase in number when the body is under attack from bacteria? Bone cells WBCs Platelets RBCs None 17. The walls of veins are not thick as those of arteries because? The blood is thicker. The blood is deoxygenated. The blood is in less quantity. The blood is under low pressure. None 18. Due to the presence of hemoglobin, ____________. Arteries appear blue Veins appear red Veins appear blue Arteries appear red None 19. Which among the following is/are function of blood vessels? Blood vessels are the tube-like structures which carry the blood through cells, tissues and organs. All of the above. Blood vessels absorbs oxygen from air in the heart. Blood vessels are the flat structures which transport oxygen to different parts of the body. None 20. None 21. Which of the following is used as artificial kidney in the patients suffering from kidney failure?, Ventilation Dialysis Filteration Circulation 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.
