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Published on: 28/05/2021
QB365 Provides the NCERT Exemplar Question Papers for Class 11 Biology , and also provide the detail solution for each and every ncert exemplar papers. Ncert Exemplar papers will help to get more idea about question pattern in every exams and also will help to get more marks in Exams
Download CBSE Class 11th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 11th Standard CBSE Biology
Questions + Answers key
Take MCQ Biology Test1.
Mention the different between hypothyroidism and hyperthyroidism
2.
Inflammatory responses can be controlled by a certain steroid.Name the steroid, its source and also its other important functions.
3.
old people have a weak immune system. What could be the reason?
4.
Mention the difference between hypothyroidism and hyperthyroidism.
5.
Correct the following statements by replacing the term underlined.
(i) Insulin is a steroid hormone.
(ii) TSH is secreted from the corpus luteum
(iii) Tetraiodothyronine is an emergency hormone.
(iv) The pineal gland is located on the anterior part of the kidney.
1.
Hypothyroidism is low secretion of thyroxine hormone. Hyperthyroidism is oversecretion of thyroid hormones. It occurs due to low or hyperactivity of the thyroid gland
2.
Inflammatory responses are controlled by steroid hormones called glucocorticoids. Which are secreted by adrenal cortex. Its other functions are to stimulate gluconeogenesis, lipolysis and proteolysis and inhibit cellular uptake and utilisation of amino acids.
3.
Thymus is degenerated in old individuals resulting in a decreased production of thymosins. Due to which the immune responses of old persons become weak.
4.
Hypothyroidism is low secretion of thyroxine hormone. Hyperthyroidism is oversecretion of thyroid hormones. It occurs due to low or hyper activity of the thyroid gland.
5.
(i) Insulin is a proteinaceous hormone.
(ii) TSH is secreted from the thyroid glands.
(iii) Adrenaline is an emergency hormone.
(iv) The pineal gland is located on the dorsal side of the forebrain.
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