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Sex hormones are secreted by endocrine glands. Consider the following statements regarding the same.
1. Estrogen and testosterone are sex hormones. These are responsible for the secondary sexual characters in the human body.
2. Estrogen is the male hormone, while testosterone is the female hormone.
3. The secretion of these hormones is regulated by a separate hormone, secreted by the pituitary.
Which of the above given statements/statements is/are correct?
  • a)
    1 Only
  • b)
    2 Only
  • c)
    1 and 3 Only
  • d)
    1, 2 and 3
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Sex hormones are secreted by endocrine glands. Consider the following...
Introduction
Understanding sex hormones and their roles is essential in human biology. Let’s analyze the statements provided regarding sex hormones, particularly estrogen and testosterone.

Statement 1: Correct
- Estrogen and testosterone are indeed sex hormones.
- They play crucial roles in the development of secondary sexual characteristics:
- **Estrogen**: Promotes breast development, wider hips, and menstrual cycle regulation in females.
- **Testosterone**: Responsible for muscle mass, voice deepening, and facial hair growth in males.

Statement 2: Incorrect
- This statement incorrectly identifies the hormones:
- **Estrogen** is primarily a female hormone associated with female characteristics.
- **Testosterone** is primarily a male hormone associated with male characteristics.
- Therefore, the characterization in this statement is reversed.

Statement 3: Correct
- The secretion of estrogen and testosterone is regulated by hormones from the pituitary gland:
- **Follicle-stimulating hormone (FSH)** and **Luteinizing hormone (LH)** are secreted by the anterior pituitary.
- These hormones stimulate the gonads (ovaries in females and testes in males) to produce sex hormones.

Conclusion
- Based on the analysis:
- **Correct Statements**: 1 and 3
- **Incorrect Statement**: 2
- Hence, the correct answer is **option 'C': 1 and 3 only**.
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Community Answer
Sex hormones are secreted by endocrine glands. Consider the following...
  • Endocrine glands release hormones directly into the bloodstream, and hence are also called ductless glands. Sex hormones are also secreted through endocrine/ductless glands.
  • Estrogen and testosterone are sex hormones which are responsible for secondary sexual characters. Estrogen is the female hormone and testosterone is the male hormone, secreted by ovary in females and testes in males respectively.
  • This sex hormone is responsible for the development of facial hair, enlargement of voice box (larynx, Adam’s apple) etc in males.
  • Due to an enlarged voice box, boys have a deeper voice and girls have a high pitched voice. Secondary sexual characteristics like development of breasts and mammary glands in females is caused by estrogen.
  • The secretion of these sex hormones is regulated by a separate hormone, secreted by the pituitary. It regulates the maturation of egg/ovum in the ovary and sperms in the testes.
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Sex hormones are secreted by endocrine glands. Consider the following statements regarding the same.1. Estrogen and testosterone are sex hormones. These are responsible for the secondary sexual characters in the human body.2. Estrogen is the male hormone, while testosterone is the female hormone.3. The secretion of these hormones is regulated by a separate hormone, secreted by the pituitary.Which of the above given statements/statements is/are correct?a) 1 Onlyb) 2 Onlyc) 1 and 3 Onlyd) 1, 2 and 3Correct answer is option 'C'. Can you explain this answer?
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