Which of the following are not steroid hormones but still do not act through second messenger system, are small, nonpolar and can be taken orally?
1. prostaglandins
2. estrogen and progesterone
3. insulin and glucagon
4. thyroid hormones (T3 and T4)

Hyperthyroidism [Graves' disease] is characterized by all the following except:

1. Toxic goiter

2. Exopthalmos

3. Bradycardia

4. Muscle weakness and termors

Graves disease is caused due to?
1. hyposecretion of thyroid gland
2. hypersecretion of thyroid gland
3. hyposecretion of adrenal gland
4. hypersecretion of adrenal gland

Select the answer which correctly matches the endocrine gland with the hormone it

secretes and its function/deficiency symptom

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       Endocrine gland       Hormone                 Function/deficiency symptoms
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1. Anterior pituitary        Oxytocin                 Stimulates uterus contraction during
                                                                    child birth

2. Posterior pituitary       Growth                    Oversecretion stimulates abnormal
                                      Hormone(GH)            growth

3. Thyroid gland             Thyroxine                 Lack of iodine in diet results in goitre

4. Corpus Luteum            Testosterone             Stimulates spermatogenesis
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Assertion   :       The tadpoles become giant tadpoles when fed on thiourea.

Reason      :       Thiourea is an antithyroid substance.