Grade 7 Integrated Science – Human excretory system Quiz

1. The system that removes waste products from the body of a human being is called........

Skin
Excretory system
Excretory organ
Excretion
Explanation:

2. The removal of waste products from the body is known as ........

Sweat glands
Excretory system
Excretory organ
Excretion
Explanation:

3. ____ is an organ that aid in excretion.

Excretion system
Excretory organ
Excretion organ
Excretory system
Explanation:

4. The following are functions of a skin.Which one is not?

Used as an excretory organ.
Protects internal organs from injuries.
Sense organ of Hearing
Is the sense organ of touch
Explanation:

5. ......is the outermost layer of the skin.

Epidermis
Sweat duct
Hair
Dermis
Explanation:

6. ..........and........ are visible on the epidermis.

sweat duct and sweat pore
Sweat pores and hair
Root hair and sweat glands
Sweat duct and hair
Explanation:

7. .......protects the body from harmful rays from the sun.

Sweat duct
Melanin
Hair
Sweat glands
Explanation:

8. ..............protects the skin from ultraviolet rays from the sun.

Sweat duct
Root hair
Hair
Sweat glands
Explanation:

9. ....are found in the inner part of the skin.

Sweat glands
Implantation
Epidermis
Sweat pole
Explanation:

10. Sweat contains..... and ......

salts and excess water
sugar and salt
skin and water
lotion and water
Explanation:

11. .........are products that are used on the skin to enhance appearance.

Nephritis
Epidermis
Dermis
Cosmetics
Explanation:

12. Which one is not an example of cosmetics?

Lipsticks
Body lotion
Deodorant
Salt
Explanation:

13. Which one is not a healthy lifestyle that we can adopt to promote skin health?

Avoid too much direct sunlight on the skin.
Washing the skin with clean water and soap.
Drink enough water to dehydrate the skin.
Drink enough water to hydrate the skin.
Explanation:

14. Which part is not a urinary system?

Renal vein
Ureter
Renal artery
windpipe
Explanation:

15. Which one is not parts of the kidney?

Ureter
Renal artery
Bladder
Renal vein
Explanation:

16. Which one is not a disorder related to the kidney?

Kidney stones
Nephritis
kidney failure
Heart attack
Explanation:

17. The following are parts of urinary system except..........

Urethra
Oviduct
Kidney
Ureter
Explanation:

18. Where does bladder receive urine from?

Urethra
Kidney
Renal vein
Ureter
Explanation:

19. Blood drains from the kidney through the .............

Ureter
Renal vein
Bladder
Renal artery
Explanation:

20. Blood enters the kidney through the.........

Renal vein
Renal artery
Urethra
Ureter
Explanation:

21. The following are parts of urinary system except..........

Kidney
Oviduct
Ureter
Urethra
Explanation:

22. The waste products from the kidney in form of urine leaves the kidney through the ........

Ureter
Renal vein
Urethra
Renal artery
Explanation:

23. Where does bladder receive urine from?

Renal vein
Kidney
Ureter
Urethra
Explanation:

24. ............is a tube from the bladder to the outside of the body that provides a passage for urine from the bladder.

Renal vein
Urethra
Renal artery
Ureter
Explanation:

25. Blood drains from the kidney through the .............

Ureter
Bladder
Renal artery
Renal vein
Explanation:

26. What waste us produced by the kidneys?

Urine
Blood
Food waste
Kidney stones
Explanation:

27. Blood enters the kidney through the.........

Renal vein
Renal artery
Urethra
Ureter
Explanation:

28. What is contained in the waste product from the kidneys?

Stones
Fruits
Salts and excess water
Sweat
Explanation:

29. The waste products from the kidney in form of urine leaves the kidney through the ........

Renal vein
Ureter
Renal artery
Urethra
Explanation:

30. Which of the following are kidney disorders?

Nephritis and kidney failure
Kidney failure and Marasmus
Nephritis and tuberculosis
Kidney stones and Anaemia
Explanation:

31. ............is a tube from the bladder to the outside of the body that provides a passage for urine from the bladder.

Ureter
Urethra
Renal artery
Renal vein
Explanation:

32. .........are caused by excess salts in the kidney.

Nephritis
Kidney failure
Tuberculosis
Kidney stones
Explanation:

33. What waste us produced by the kidneys?

Food waste
Kidney stones
Blood
Urine
Explanation:

34. ......is also called chronic disease.

Kidney stones
Nephritis
Tuberculosis
Kidney failure
Explanation:

35. What is contained in the waste product from the kidneys?

Sweat
Fruits
Stones
Salts and excess water
Explanation:

36. .............is caused by prolonged use of over-the-counter medications or smoking.

Kidney failure
Nephritis
Tuberculosis
Kidney stones
Explanation:

37. Which of the following are kidney disorders?

Kidney stones and Anaemia
Kidney failure and Marasmus
Nephritis and kidney failure
Nephritis and tuberculosis
Explanation:

38. ........is caused an allergic reaction to certain medicine or infection in the kidney.

Nephritis
Marasmus
Kidney failure
Kidney stones
Explanation:

39. .........are caused by excess salts in the kidney.

Kidney failure
Tuberculosis
Nephritis
Kidney stones
Explanation:

40. Which one is not a sign of kidney stones?

Frequent urination
Smelling urine
Kidney becomes inflamed
Blood in urine
Explanation:

41. ......is also called chronic disease.

Tuberculosis
Kidney failure
Kidney stones
Nephritis
Explanation:

42. Bellow are prevention of kidney stones.Which one is not?

Restricting healthy protein in the diet
Reducing intake of salt
Restricting unhealthy protein in the diet
Drinking enough water
Explanation:

43. .............is caused by prolonged use of over-the-counter medications or smoking.

Kidney failure
Kidney stones
Nephritis
Tuberculosis
Explanation:

44. Which one of the following is not a sign of kidney failure?

Muscle cramps
Sleep problem
Hypertension
Frequent urination
Explanation:

45. ........is caused an allergic reaction to certain medicine or infection in the kidney.

Marasmus
Kidney failure
Nephritis
Kidney stones
Explanation:

46. Below are prevention of kidney failure.Which one is not?

Maintain a healthy weight.
Avoid smoking
Drinking enough water
Consulting a doctor before taking medication
Explanation:

47. Which one is not a sign of kidney stones?

Smelling urine
Frequent urination
Kidney becomes inflamed
Blood in urine
Explanation:

48. which one of the following is not a sign and symptom of Nephritis?

Swelling of the body
High blood pressure
Muscle cramps
Blood in the urine
Explanation:

49. Bellow are prevention of kidney stones.Which one is not?

Restricting healthy protein in the diet
Restricting unhealthy protein in the diet
Drinking enough water
Reducing intake of salt
Explanation:

50. Which one of the following is not a sign of kidney failure?

Hypertension
Sleep problem
Muscle cramps
Frequent urination
Explanation:

51. Below are prevention of kidney failure.Which one is not?

Consulting a doctor before taking medication
Maintain a healthy weight.
Drinking enough water
Avoid smoking
Explanation:

52. which one of the following is not a sign and symptom of Nephritis?

Swelling of the body
Muscle cramps
High blood pressure
Blood in the urine
Explanation:

53. Which organ is responsible for filtering waste products from the blood?

Kidneys
Liver
Stomach
Lungs
Explanation:

The kidneys filter waste products from the blood to form urine, which is then excreted from the body.

54. What is the main waste product excreted by the human excretory system?

Oxygen
Glucose
Carbon dioxide
Urea
Explanation:

Urea is the main waste product excreted by the human excretory system. It is formed in the liver as a byproduct of protein metabolism.

55. Which of the following is NOT a part of the human excretory system?

Bladder
Ureter
Pancreas
Lungs
Explanation:

The pancreas is not part of the human excretory system. It is involved in producing digestive enzymes and insulin.

56. What is the function of the urethra in the excretory system?

To filter blood
To absorb nutrients
To transport urine out of the body
To store urine
Explanation:

The urethra is the tube through which urine is transported out of the body during the process of urination.

57. Which of the following is a common condition affecting the kidneys?

Diabetes mellitus
Asthma
Hypertension
Cystic fibrosis
Explanation:

Diabetes mellitus is a common condition that can affect the kidneys, leading to diabetic nephropathy if not managed properly.

58. What is the role of the bladder in the excretory system?

To store urine
To filter waste products
To produce urine
To reabsorb water
Explanation:

The bladder acts as a temporary storage reservoir for urine until it is excreted from the body through urination.

59. Which substance is reabsorbed by the kidneys back into the bloodstream during urine formation?

Water
Salt
Glucose
Urea
Explanation:

Water is reabsorbed by the kidneys to maintain the body's water balance and prevent dehydration.

60. What is the tube that connects the kidneys to the bladder called?

Ureter
Pancreas
Urethra
Small intestine
Explanation:

The ureters are the tubes that connect the kidneys to the bladder, allowing urine to pass from the kidneys to the bladder.

61. Which of the following is a function of the excretory system?

Regulating body temperature
Digesting food
Filtering waste products
Transporting oxygen
Explanation:

One of the key functions of the excretory system is to filter waste products from the blood and eliminate them from the body through urine.

62. What is the liquid waste product formed by the kidneys called?

Feces
Sweat
Blood
Urea
Explanation:

Urea is the liquid waste product formed by the kidneys as a result of filtering waste products from the blood.