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41 questions · timed · auto-graded

Question 11 Mark
Identify the odd one in each of the following and mention what the rest are: myxedema………………………………….
Answer
Iodine
Reason- Iodine is required for the synthesis of thyroxine hormone. While cretinism, goitre, myxoedema are the deficiencies occur due to the deficiency of thyroxine.
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Question 21 Mark
Identify the odd one in each of the following and mention what the rest are:
TSH; GH; ADH; Insulin…………………………………….
Answer
Insulin
Reason- Insulin is secreted by the pancreas while TSH, GH, ADH are the hormones
secreted by the pituitary gland.
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Question 31 Mark
Identify the odd one in each of the following and mention what the rest are:
Stomach ; ileum; liver; adrenaline…………………………………..
Answer
Adrenaline
Reason - Adrenaline is a hormone while the stomach, ileum and liver are the organs of the
digestive system.
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Question 41 Mark
Identify the odd one in each of the following and mention what the rest are:
Adrenaline; penicillin; insulin; thyroxin…………………………………
Answer
Penicillin
Reason - Penicillin is an antibiotic while adrenaline; insulin; thyroxine are hormones.
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Question 51 Mark
Identify the odd one in each of the following and mention what the rest are:
Larynx; glucagon; testosterone; prolactin……………………………………..
Answer
Larynx
Reason- Larynx is the sound box while the rest three i.e. glucagon; testosterone and prolactin are hormones.
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Question 61 Mark
What would a child suffer from, if there was hyposecretion from his thyroid? 
Answer
If there was hyposecretion of the thyroid gland in a child; the child will suffer from cretinism. The symptoms of cretinism are dwarfism, mental retardation, etc.
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Question 121 Mark
Given below are two diagram (one is correct the other is some hwat incorrect) showing the transport of a hormone from its source gland/ cell to the target organ/ cell.

Which one has the error A or B ?
Answer
A
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Question 131 Mark
Given below is an outline diagram of human body showing position of certain organs.

Name the nutrient element which is essential for the normal working of part 2.
Answer
Iodine is essential for the normal working of thyroxine.
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Question 141 Mark
Given below is an outline diagram of human body showing position of certain organs.

What is common to all these parts in regard to the nature of their functions?
Answer
All the glands shown in the above diagram are endocrine glands. They secrete essential hormones and pour their secretions directly into the blood.
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Question 151 Mark
Given below is a portion from the human body showing some important structure in ventral (front) view.

Is there any duct to carry the secretions from the structure numbered 2 ? If so, give its name.
Answer
Structure 2 is the thyroid gland. It is an endocrine gland, so it is ductless and pours its secretions directly into the blood. Hence, there is no duct.
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Question 161 Mark
Given alongside is a portion from the human body showing some important structure in ventral (front) view.

Where is this portion located in the body?
Answer
This portion is located in the neck region above the sternum.
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Question 171 Mark
Study the diagram given below and then answer the question that follows:

Where in the body is the pancreas located?
Answer
The pancreas is located in the abdomen behind the stomach.
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Question 181 Mark
Study the diagram given below and then answer the question that follows:

What is the technical term for the cells of the pancreas that produce endocrine hormones?
Answer
Islets of Langerhans
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Question 191 Mark
Study the diagram given below and then answer the question that follow:

Why is insulin not given orally but is injected into the body?
Answer
Insulin is not administered orally because the digestive juices degrade insulin, and thus the insulin is ineffective in the body.
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Question 201 Mark
If one adrenal gland is removed, the other one gets enlarged to some extent. How do you explain this change?
Answer
If one adrenal gland is removed, the other one gets enlarged. This is to meet the requirement of hormones produced by the body.
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Question 221 Mark
Name the Following :
Hormone which controls the development of male secondary sexual characters.
Answer
Androgens (Testosterone)
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Question 241 Mark
Name the Following :
The condition which results in the abnormally long bones, long lower jaw bone due to hyper secretion of growth hormone.
Answer
Acromegaly
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Question 311 Mark
Name the Following :
Hormone that controls reabsorption of water from kidney tubules.
Answer
ADH or Vasopressin
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Question 321 Mark
Name the Following :
The master gland of the body, which controls the activity of other endocrine glands.
Answer
Pituitary
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Question 341 Mark
Name the Following :
The hormone which abnormally increases the urine formation.
Answer
Antidiuretic hormone (ADH)
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Question 411 Mark
Name the Following :
The gland which behaves both as an exocrine as well as an endocrine gland.
Answer
Pancreas
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[1 Mark Question Answer] - Biology STD 10 Questions - Vidyadip