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ICSE Class 10 Human Anatomy and Physiology: endocrine system — practice questions

Explore 68 free Human Anatomy and Physiology: endocrine system questions in ICSE Class 10 Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Human Anatomy and Physiology: endocrine system questions and exercises with answers

Showing questions 1–30 of 68.

After endocrine hormones leave the gland, they enter what before the blood?Read the answer and worked solution →How do hormones commonly reach distant organs?Read the answer and worked solution →Which feature distinguishes an endocrine gland from an exocrine gland?Read the answer and worked solution →Which is an endocrine gland?Read the answer and worked solution →Which gland secretes thyroxine?Read the answer and worked solution →What hormone does the pineal gland produce?Read the answer and worked solution →Which gland produces growth hormone?Read the answer and worked solution →Which hormone is secreted by the testes?Read the answer and worked solution →Which ovarian hormones are secreted as a pair?Read the answer and worked solution →What does ADH help the body do?Read the answer and worked solution →Where is ADH synthesized?Read the answer and worked solution →What is one action of oxytocin?Read the answer and worked solution →Which thyroid hormones are T3 and T4?Read the answer and worked solution →Which pituitary hormone stimulates the thyroid?Read the answer and worked solution →Which hormone is released when blood glucose is high?Read the answer and worked solution →Which pancreatic cells secrete insulin when blood sugar is high?Read the answer and worked solution →Which hormone prompts liver glycogen stores to release sugar?Read the answer and worked solution →What is glucagon’s effect when blood sugar is low?Read the answer and worked solution →What happens to blood glucose under insulin’s action?Read the answer and worked solution →Which pancreatic cells produce somatostatin?Read the answer and worked solution →Low levels of which blood substance stimulate parathyroid hormone release?Read the answer and worked solution →Parathyroid hormone helps the body reabsorb which mineral?Read the answer and worked solution →What is a feedback loop in endocrine regulation used for?Read the answer and worked solution →What do negative-feedback loops regulate in the endocrine system?Read the answer and worked solution →A hormone acts on a target cell by binding to what?Read the answer and worked solution →Which signalling uses blood to reach distant target organs?Read the answer and worked solution →A cell’s chemical signal binds back to that same cell. What is this?Read the answer and worked solution →A chemical signal affects nearby cells. What is this called?Read the answer and worked solution →Which listed hormone is a steroid?Read the answer and worked solution →Where do steroid hormones act after entering a target cell?Read the answer and worked solution →

Worked practice questions

After endocrine hormones leave the gland, they enter what before the blood?

  1. Hair follicles
  2. Digestive ducts
  3. Body surfaces
  4. Interstitial spaces
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Correct answer: D. Interstitial spaces

Endocrine glands release hormones into interstitial spaces, from which they are absorbed into the blood.

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How do hormones commonly reach distant organs?

  1. Through bone canals
  2. Across nerve synapses
  3. Along glandular ducts
  4. In blood circulation
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Correct answer: D. In blood circulation

Hormones travel in the circulatory system to distant target organs.

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Which feature distinguishes an endocrine gland from an exocrine gland?

  1. It uses one duct
  2. It opens onto skin
  3. It releases enzymes
  4. It is ductless
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Correct answer: D. It is ductless

Endocrine glands are ductless and release hormones into surrounding spaces and blood.

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