XII Biology Chemical Coordination Online Test Mdcat-2024

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mdcat Bioogy Xii Chapter Chemical Coordination online test

Instructions for XII Chemical Coordination Online Test Mdcat-2024:

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    XII Biology Chemical Coordination Online Test Mdcat-2024



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    1 / 50

    1. Among the Steroid hormones, which one is primarily responsible for the development of male secondary sexual characteristics?

    2 / 50

    2. Which hormone is essential for the development of female secondary sexual characteristics and regulation of the menstrual cycle?

    3 / 50

    3. What condition is associated with an under-active thyroid gland, leading to symptoms like weight gain, fatigue, and cold intolerance?

    4 / 50

    4. What is the primary role of Growth Hormone Releasing Hormone (GHRH) in the Endocrine System?

    5 / 50

    5. Which system is responsible for releasing hormones like insulin and cortisol?

    6 / 50

    6. Which of the following is an example of a gland in the Exocrine System?

    7 / 50

    7. Where do hormones in the Endocrine System act?

    8 / 50

    8. In which system do glands like the thyroid and pituitary belong?

    9 / 50

    9. How does the Exocrine System transport its secretions?

    10 / 50

    10. How do hormones travel to their target cells?

    11 / 50

    11. Where are hormones produced?

    12 / 50

    12. During childbirth, a positive feedback loop involving hormones plays a crucial role. Which of the following accurately describes this process?

    13 / 50

    13. An example of negative feedback in chemical coordination is the regulation of blood sugar levels by insulin and glucagon. When blood sugar rises:

    14 / 50

    14. Why are hormones considered complex molecules in chemical coordination?

    15 / 50

    15. What is the main difference between how hormones and neurotransmitters function in cell communication?

    16 / 50

    16. In chemical coordination, how do hormones reach their target cells?

    17 / 50

    17. Tick the incorrect Statement:

    18 / 50

    18. Tick the Correct Statement:

    19 / 50

    19. Select the accurate statement(s) regarding the key points and hormone production of Gonads, focusing on the Testes (Male) and Ovaries (Female).

    20 / 50

    20. Choose the accurate statement(s) regarding Gonads:

    21 / 50

    21. Select the accurate statement(s) regarding the Adrenal Gland, specifically focusing on the Adrenal Cortex and Adrenal Medulla, considering their locations, hormones produced, functions, and associated conditions.

    22 / 50

    22. Choose the accurate statement(s) concerning the Adrenal Gland, specifically focusing on the Adrenal Cortex and Adrenal Medulla, considering their locations, hormones produced, functions, and associated conditions.

    23 / 50

    23. Select the accurate statement(s) regarding Diabetes Type-I and Diabetes Type-II, considering their descriptions, causes, and treatments.

    i) Diabetes Type-I is primarily associated with a lack of insulin production, leading to the need for insulin injections.

    ii) In Diabetes Type-II, body cells do not respond to insulin

     

    iii) Diabetes Type-I and Type-II  are both autoimmune disorders

    24 / 50

    24. Select the accurate statement(s) regarding insulin and glucagon, considering their types, functions, and associated concepts.

    25 / 50

    25. What deficiency can lead to goiter, an enlargement of the thyroid?

    26 / 50

    26. What is the role of Parathyroid Hormone (PTH) produced by the parathyroid gland?

    27 / 50

    27. Which condition is characterized by excessive secretion of thyroid hormones, leading to symptoms such as sweating, weight loss, heat intolerance, irritability, and high blood pressure?

    28 / 50

    28. What is another term for the pituitary gland?

    29 / 50

    29. Which part of the pituitary gland contains nerve endings from the hypothalamus and releases hormones like oxytocin and vasopressin?

    30 / 50

    30. What is the term for the hormones produced by the anterior pituitary that regulate the activity of other endocrine glands?

    31 / 50

    31. What are the two main lobes of the pituitary gland?

    32 / 50

    32. Where is the pituitary gland located?

    33 / 50

    33. The hormone GH or STH, produced by the Anterior Pituitary, has a direct role in:

    34 / 50

    34. Which hormone, produced by the Posterior Pituitary, is involved in the synthesis of melanin?

    35 / 50

    35. Which Statement is correct about prolactin?

    i. Produced by Anterior Pituitary

    ii. Helps in Milk Production

    iii.Helps In Milk ejection

    iv. Maintains Pregnancy

    36 / 50

    36. Which hormone, stored in the Posterior Pituitary, is produced by the Hypothalamus and promotes water reabsorption in the renal tubule of kidneys?

    37 / 50

    37. What is the primary function of Vasopressin or ADH, a hormone produced by the Hypothalamus and stored in the Posterior Pituitary?

    38 / 50

    38. Among the hormones listed for the Anterior Pituitary, which one is required for the maturation of sperm in males and ovarian follicles in females?

    39 / 50

    39. Which hormone, produced by the Anterior Pituitary, is responsible for stimulating the thyroid gland to produce thyroxin?

    40 / 50

    40. What is the function of Oxytocin, a hormone stored in the Posterior Pituitary?

    41 / 50

    41. Certain medications can mimic the action of hormones. A drug is designed to stimulate the release of insulin from the pancreas. Based on the target and desired effect, this drug most likely affects the:

    42 / 50

    42. The pancreas is a unique organ that plays a role in both digestion and blood sugar regulation. Which of the following statements accurately describes the pancreas in this context?

    43 / 50

    43. A hormone which is fat-soluble and Functions by binding to receptors within the nucleus. Based on this information, the hormone is most likely classified as a:

    44 / 50

    44. A hormone regulates blood sugar levels and is secreted by the pancreas. It cannot directly enter target cells due to its chemical structure. How does this hormone most likely exert its effect?

    45 / 50

    45. A hormone is responsible for the development of female secondary sex characteristics and plays a crucial role in the menstrual cycle. Based on its function and origin, this hormone is most likely classified as:

    46 / 50

    46. A hormone produced by the posterior pituitary gland regulates water reabsorption by the kidneys. Chemically, it is likely to be a:

    47 / 50

    47. A signal molecule is released from the adrenal medulla in response to stress. It increases heart rate, and blood sugar levels, and prepares the body for action. This hormone is most likely classified as:

    48 / 50

    48. Select the Correct Row:

    Question about testes and Ovaries

    49 / 50

    49. What is Correct about Melatonin?

    i. Amino acid derivative hormone
    ii. involved in the regulation of the sleep-wake cycle
    iii. derived from Tryptophan
    iv. is a pigment responsible for skin, hair, and eye color

    50 / 50

    50. Identify the incorrect statement regarding Peptide and Protein hormones.

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