Please refer to Assignments Class 11 Biology Chemical Coordination and Integration Chapter 22 with solved questions and answers. We have provided Class 11 Biology Assignments for all chapters on our website. These problems and solutions for Chapter 22 Chemical Coordination and Integration Class 11 Biology have been prepared as per the latest syllabus and books issued for the current academic year. Learn these solved important questions to get more marks in your class tests and examinations.
Chemical Coordination and Integration Assignments Class 11 Biology
Question. Which one is secreted from hypothalamus and inhibits mitotic divisions of bones?
(a) Growth hormone
(b) Thyroxine
(c) Cortisol
(d) Somatostatin
Answer
D
Question. Find out the incorrect match :-
(A) PTH ? Decreases Ca+2 absorption from intestine
(B) Adrenaline ? Piloerection
(C) Glucocorticoids ? Immune system supression
(D) Melatonin – T-cell differentiation options :-
(a) (A), (B)
(b) (B), (C)
(c) (A), (C)
(d) (A), (C)
Answer
D
Question. Hormone is :-
(a) Non nutrient chemical
(b) Intercellular messengers
(c) Produced in traces
(d) All of these
Answer
D
Question. Find out the correct match :-
(a) Oxytocin ? Milk synthesis
(b) FSH ? Maintains corpus luteum
(c) Thyroxine ? Requires I2 and glycin
(d) Vasopressin ? Transport through neural axon
Answer
D
Question. Which one is not an organised endocrine gland of human body ?
(a) Pancreas
(b) Pituitary gland
(c) Adrenal gland
(d) Kidney
Answer
D
Question. Hormones of fight and flight are :-
(a) Cortisol and adrenaline
(b) Only adrenaline
(c) Adrenaline and noradrenaline
(d) Insulin and glucagon
Answer
C