STD 11 - 16. Excretory product and their elimination — NEET STD 11 Science — Question

Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.

Which one of the following is not matched with Medal's law of dominance

Regeneration power can best be studied in

Which of the following disease results from endocrine disorder

Mendel crossed a pure white-flowered recessive pea plant with a dominant pure red-flowered plant. The first generation of hybrids from the cross should show

Which is the correct sequence in the development of man

Read the following and choose the option with all incorrect statements.
(i) The number of parathyroid gland present in human is four.
(ii) Parathyroid hormone decreases the Ca²⁺ levels in the blood and so its called hypocalcemic hormone.
(iii) Thymus glands secretes the peptide hormones called thymosins.
(iv) Adrenaline and nonadrenaline hormones are commonly called catecholamines, secreted by cortex part of adrenal gland and are called emergency hormones.
(v) The adrenal cortex can be divided into three layers called zona reticularis (outer layer); zona glomerulosa (middle layer) and zona fasciculata (inner layer). It secretes many hormones commonly called as corticoids.
(vi) The corticoids involved in carbohydrate metabolism are called glucocorticoid.
(vii) In our body, cortisol is the main glucocorticoid.
(viii) Aldosterone is the main mineralocorticoid in our body.
(ix) In pancreas, the α-cells secrete a hormone called glucagon, while ẞ-cells secrete insulin.
(x) Glucagon is peptide hormone which decrease blood sugar level and so called hypoglycemic hormone.

A normal­visioned man whose father was colour­ blind, marries a woman whose father was also colour­blind. They have their first child as a daughter. What are the chances that this child would be colour­ blind ?