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11th Standard Zoology - Chemical Coordination and Integration English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

11th Standard

    Reg.No. :
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Zoology

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. Which of the following are exclusive endocrine glands?

    (a)

    Thymus and Testis

    (b)

    Adrenal and Ovary

    (c)

    Parathyroid and Adrenal

    (d)

    Pancreas and Parathyroid

  2. Iodised salt is essential to prevent

    (a)

    rickets

    (b)

    scurvy

    (c)

    goitre

    (d)

    acromegaly

  3. Which of the following statement about sex hormones is correct

    (a)

    Testosterone is produced by Leydig cells under the influence of luteinizing hormone.

    (b)

    Progesterone is secreted by corpus luteum and softens pelvic ligaments during child birth.

    (c)

    Oestrogen is secreted by both Sertoli cells and corpus luteum

    (d)

    Progesterone produced by corpus luteum is biologically different from the one produced by placenta

  4. Which one of the following statement is correct

    (a)

    Calcitonin and thymosin are thyroid hormones

    (b)

    Pepsin and prolactin are secreted in stomach

    (c)

    Secretin and rhodopsin are polypeptide hormones

    (d)

    Cortisol and aldosterone are steroid hormones

  5. The hormone _____________is insignificant in mammals.

    (a)

    TSH

    (b)

    MSH

    (c)

    CCK

    (d)

    ICSH

  6. Prolactin or luteotropin refers to___________________

    (a)

    TSH

    (b)

    GH

    (c)

    LTH

    (d)

    LH

  7. ADH refers to_________________

    (a)

    Insulin

    (b)

    Glucagon

    (c)

    Thymosin

    (d)

    Vasopressin

  8. The normal sleep-wake cycle of human body is regulated by_________________

    (a)

    Melatonin

    (b)

    Melanin

    (c)

    Thyroxine

    (d)

    Growth hormone

  9. Choose the correct statement

    (a)

    Mineralocorticoids regulate water and electrolyte balance

    (b)

    Aldosteron stimulates reabsorption of chloride ions

    (c)

    Cortisol is a mineralocorticoid

    (d)

    Laughing increases the adrenaline levels in the body.

  10. The disease _____________ is not related to malfunctioning of Thyroid gland

    (a)

    Gull's disease

    (b)

    Grave's disease

    (c)

    Cretinism

    (d)

    Tetany

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TN 11th Standard Biology free Online practice tests

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