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CBSE 11th Standard Biology Subject Chemical Coordination and Integration Ncert Exemplar 2 Marks Questions 2021

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

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Std: 11th Standard CBSE - Biology

chapter: - NCERT Exemplers

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Questions:

Match the following

1 x 1 = 1

Rearrange the following hormones in column I so as to match with their chemical nature in Column II

Column I	Column II
A. Oxytocin	1.Amnio acid derivative
B. Epinephrine	2.Steroid
C. Progesterone	3.Protein
D. Growth hormone	4.Peptide

Generic 2

4 x 2 = 8

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.

What are the effects of hypothyroidism (observed during pregnancy) on the development and maturation of a growing baby?

Mention the different between hypothyroidism and hyperthyroidism

A milkman is very upset one morning as his cow refuses to give any milk. The milkman's wife gets the calf from the shed. On fondling by the calf, the cow gave sufficient milk.
Describe the role of endocrine gland and pathway associated with this response.

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Answers Key:

Match the following

1 x 1 = 1

Column I	Column II
A. Oxytocin	1.Peptide
B. Epinephrine	2.Amnio acid derivative
C. Progesterone	3.Steroid
D. Growth hormone	4. Protein

Generic 2

4 x 2 = 8

(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.

Hypothyroidism during pregnancy causes defective development and maturation f the growing baby leading to stunned growth (cretinism), mental retardation, low intelligence, abnormal skin, deaf-mutism, etc

Hypothyroidism is low secretion of thyroxine hormone. Hyperthyroidism is oversecretion of thyroid hormones. It occurs due to low or hyperactivity of the thyroid gland

The fondling by the calf stimulates the release of oxytocin brings about contraction of the smooth muscles of the mammary glands that causes ejection of milk.