Organ Systems in Animals Book Back Questions

9th Standard

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Science

Time : 00:45:00 Hrs
Total Marks : 30
    4 x 1 = 4
  1. Which of the following is not a salivary gland?

    (a)

    Sublingual

    (b)

    Lachrymal

    (c)

    Submaxillary

    (d)

    Parotid

  2. The structural and functional unit of the kidney is__________

    (a)

    villi

    (b)

    liver

    (c)

    nephron

    (d)

    ureter

  3. The common passage meant for transporting urine and sperms in male is___________

    (a)

    ureter

    (b)

    urethra

    (c)

    vas deferens

    (d)

    scrotum

  4. Which of the following is not a part of female reproductive system?

    (a)

    Ovary

    (b)

    Uterus

    (c)

    Testes

    (d)

    Fallopian tube

  5. 4 x 1 = 4
  6. The opening of the stomach into the intestine is called_________

    ()

    pylorus

  7. Bile, secreted by liver is stored temporarily in___________________

    ()

    Gall bladder]

  8. The human body functions normally at a temperature of about____________

    ()

    37°C

  9. The largest cell in the human body of a female is___________

    ()

    Ovum

  10. 3 x 1 = 3
  11. Nitric acid in the stomach kills micro-organisms in the food.

    (a) True
    (b) False
  12. Glomerular filtrate consists of many substances like amino acids, vitamins, hormones, salts, glucose and other essential substances.

    (a) True
    (b) False
  13. The process of release of ovum from ovary is called gestation

    (a) True
    (b) False
  14. 4 x 1 = 4
  15. -----------------------------------------------------------------------------------QuestionNotFound-------------------------------------------
  16. 1 x 2 = 2
  17. Skin

  18. (1)

    Sweat

    1 x 1 = 1
  19. Assertion: Urea is excreted out through the kidneys
    Reason: Urea is a toxic substance. Excess accumulation of urea in blood may lead to death

  20. 3 x 2 = 6
  21. Complete the following table:

    Enzymes Nutrient (Substrate) End products of digestion
    Erepsin
    (peptidase)
    proteins and peptides  
    Maltase   glucose
    Sucrase sucrose  
    Lactase   glucose and galactose
      fats fatty acids and glycerol
  22. Arrange the following five steps of nutrition in correct sequence: (digestion, assimilation, ingestion, egestion, absorption)

  23. Why do we sweat?

  24. 2 x 3 = 6
  25. Write the names of male and female sex hormone.

  26. Define the following terms:
    a. Digestion
    b. Osmoregulation
    c. Emulsification
    d. Ovulation

  27. What are the functions of ovaries and uterus in female reproductive system?

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