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(English Medium) ICSE Class 10 - CISCE Important Questions for Biology

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Biology
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The diagram give below represents an endocrine gland in the human body. Study the diagram and answer the following questions:

Which lobe of the above gland secretes?
1. Oxytocin

2. ACTH

3. Growth hormone 

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pituitary Gland or Hypophysis Gland
Explain briefly, why adrenaline is called the emergency hormone?
Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Adrenal Gland (Suprarenal Gland)

State the Function of Relaxin.

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine System

The mineral element needed for the functioning of the Thyroid gland:

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Thyroid Gland

Mention three functions of Adrenaline.

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Adrenal Gland (Suprarenal Gland)

Name any two hormones secreted by the Pituitary gland?

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pituitary Gland or Hypophysis Gland

Complete the following table by filling in the blanks (a) to (c):

GLAND HORMONE
SECRETED
EFFECT OF
OVERSECRETION
Pancreas (a) ______ Hypoglycemia
Thyroid (b) ______ (c) ______
Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pancreas (Islets of Langerhans)

Alpha cells of the Pancreas secrete ______.

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pancreas (Islets of Langerhans)

Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct Matching pairs:

Column I Column II
(a) Hyposecretion of Thyroxine in adults 1. Diabetes insipidus
(b) Hyposecretion of Insulin 2. Myxedema
(c) Hypersecretion of Growth Hormone in Childhood 3. Dwarfism
(d) Hyposecretion of ADH 4. Gigantism
(e) Hypersecretion of Thyroxine 5. Diabetes mellitus
    6. Exophthalmic goitre
    7. Cretinism
Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Thyroid Gland

State the exact location of the following structure.

Islets of Langerhans

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pancreas (Islets of Langerhans)

The hormone that affects urination is ______.

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pituitary Gland or Hypophysis Gland

Distinguish between Diabetes mellitus and Diabetes insipidus (endocrine gland concerned).

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine System

Name the mineral element required for the synthesis of thyroxine.

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Thyroid Gland

Mention the significance of the following mineral:

Iodine in our food

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Thyroid Gland

Write the full for of ACTH.

Appears in 1 question paper
Chapter: [12] The Endocrine System
Concept: Human Endocrine Glands >> Pituitary Gland or Hypophysis Gland

Name the function of the following:

Corpus luteum

Appears in 1 question paper
Chapter: [13] The Reproductive System
Concept: Menstrual Cycle (Ovarian Cycle)

The pituitary hormone which stimulates contraction of uterus during  child birth.

Appears in 1 question paper
Chapter: [13] The Reproductive System
Concept: Human Reproduction

The Graafian follicle, after ovulation turns into a hormone producing issue called Corpus callosum.

Appears in 1 question paper
Chapter: [13] The Reproductive System
Concept: Menstrual Cycle (Ovarian Cycle)

Uterus, Parturition, Fertilisation, Gestation, Implantation.

Appears in 1 question paper
Chapter: [13] The Reproductive System
Concept: Menstrual Cycle (Ovarian Cycle)

ACTH, TSH, ADH, FSH

Appears in 1 question paper
Chapter: [13] The Reproductive System
Concept: The Male Reproductive System
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