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Class 10/Question Bank

Endocrine System

Questions on Endocrine System

Endocrine System - Question Paper

Total Questions: 350

100 Multiple Choice Questions (MCQs)
100 Short Answer Questions (1 Mark)
100 Medium Answer Questions (2 Marks)
50 Long Answer Questions (3 Marks)

SECTION A: MULTIPLE CHOICE QUESTIONS (100 MCQs)

Choose the correct answer from the given options.

The endocrine system uses which type of messengers? a) Electrical signals b) Chemical messengers c) Physical signals d) Sound waves

Endocrine glands are characterized by being: a) Having ducts b) Ductless c) Located outside the body d) Non-functional

Hormones are released directly into the: a) Digestive system b) Respiratory system c) Circulatory system d) Nervous system

Which hormone lowers blood glucose levels? a) Glucagon b) Insulin c) Thyroxine d) Adrenaline

Glucagon is produced by which gland? a) Thyroid b) Adrenal c) Pancreas d) Pituitary

The thyroid gland produces: a) Insulin b) Thyroxine c) Adrenaline d) Growth hormone

What does thyroxine primarily regulate? a) Blood sugar b) Metabolism c) Water balance d) Growth

Adrenaline prepares the body for: a) Sleep b) Digestion c) Fight or flight response d) Growth

Which gland produces adrenaline? a) Pancreas b) Thyroid c) Adrenal d) Pituitary

Growth hormone is secreted by: a) Thyroid b) Adrenal c) Pancreas d) Pituitary

Tropic hormones control: a) Blood sugar only b) Other endocrine glands c) Muscle movement d) Digestion

ADH stands for: a) Anti-digestive hormone b) Antidiuretic hormone c) Anti-depressive hormone d) Adaptive hormone

What does ADH regulate? a) Blood sugar b) Metabolism c) Water balance d) Growth

Oxytocin stimulates: a) Growth b) Metabolism c) Uterine contractions d) Blood sugar regulation

Hyposecretion means: a) Normal hormone production b) Overproduction of hormone c) Underproduction of hormone d) No hormone production

Hypersecretion refers to: a) Normal hormone levels b) Underproduction of hormone c) Overproduction of hormone d) Absence of hormone

Feedback mechanisms control: a) Only positive responses b) Hormone production levels c) Only negative responses d) External factors only

TSH is controlled by the level of: a) Insulin b) Glucagon c) Thyroxine d) Adrenaline

Exocrine glands differ from endocrine glands by having: a) No secretions b) Ducts c) Direct blood supply d) Multiple hormones

The pancreas functions as both: a) Endocrine and exocrine gland b) Only endocrine gland c) Only exocrine gland d) Neither type of gland

Which hormone raises blood glucose levels? a) Insulin b) Thyroxine c) Glucagon d) ADH

Cortical hormones are produced by: a) Thyroid cortex b) Adrenal cortex c) Pituitary cortex d) Pancreatic cortex

The 'master gland' is commonly referred to as: a) Thyroid b) Adrenal c) Pancreas d) Pituitary

Milk letdown is stimulated by: a) Growth hormone b) Oxytocin c) ADH d) Thyroxine

Target organs are regulated by hormones through: a) Direct contact b) Bloodstream transport c) Nerve impulses d) Physical pressure

The endocrine system works through: a) Immediate responses b) Feedback loops c) One-way communication d) Random secretion

Hormone levels in blood are maintained by: a) External factors only b) Feedback mechanisms c) Physical activity only d) Dietary intake only

Which gland regulates the 'fight or flight' response? a) Thyroid b) Pancreas c) Adrenal d) Pituitary

Internal glands of the endocrine system: a) Have external openings b) Release products into ducts c) Secrete directly into blood d) Are non-functional

The primary function of insulin is to: a) Increase metabolism b) Decrease blood glucose c) Stimulate growth d) Regulate water balance

Glucagon and insulin work: a) Together in same direction b) Antagonistically c) Only during sleep d) Independent of blood sugar

Thyroxine deficiency leads to: a) Increased metabolism b) Decreased metabolism c) No change in metabolism d) Complete metabolic shutdown

Excess thyroxine causes: a) Hypothyroidism b) Hyperthyroidism c) Normal thyroid function d) Thyroid removal

Cortical hormones help in: a) Growth only b) Metabolism and stress response c) Water balance only d) Blood sugar only

The adrenal gland has: a) Only cortex b) Only medulla c) Both cortex and medulla d) Neither cortex nor medulla

Growth hormone excess in children causes: a) Dwarfism b) Gigantism c) Normal growth d) No effect

Growth hormone deficiency results in: a) Gigantism b) Dwarfism c) Normal growth d) Accelerated growth

Diabetes mellitus is caused by: a) Excess insulin b) Insulin deficiency c) Excess glucagon d) Glucagon deficiency

The pituitary gland is located: a) In the neck b) In the abdomen c) At the base of brain d) In the chest

Hormones are: a) Proteins only b) Lipids only c) Chemical messengers d) Carbohydrates only

The endocrine system coordinates with: a) Digestive system only b) Nervous system c) Respiratory system only d) Circulatory system only

Hormone receptors are found: a) Only in blood b) On target cells c) Only in glands d) Nowhere specific

The thyroid gland is located in the: a) Brain b) Abdomen c) Neck d) Chest

Iodine is essential for: a) Insulin production b) Thyroxine synthesis c) Adrenaline formation d) Growth hormone

The pancreatic islets contain: a) Only insulin-producing cells b) Only glucagon-producing cells c) Both insulin and glucagon cells d) No hormone-producing cells

Stress hormones are produced by: a) Thyroid b) Pancreas c) Adrenal glands d) Pituitary

The anterior pituitary produces: a) Only growth hormone b) Only tropic hormones c) Multiple hormones d) No hormones

The posterior pituitary releases: a) Growth hormone b) ADH and oxytocin c) Insulin d) Thyroxine

Hormone imbalance can cause: a) Normal function b) Disease conditions c) No effects d) Improved health

The endocrine system regulates: a) Only growth b) Only metabolism c) Multiple body functions d) Only reproduction

Positive feedback in hormones: a) Decreases hormone production b) Increases hormone production c) Maintains constant levels d) Stops hormone production

Negative feedback typically: a) Increases hormone levels b) Maintains hormone balance c) Stops all production d) Has no effect

Hormone transport occurs via: a) Lymphatic system b) Blood circulation c) Nerve pathways d) Direct diffusion

Endocrine disorders result from: a) Perfect hormone balance b) Hormone imbalances c) External factors only d) Genetic factors only

The half-life of hormones refers to: a) Time to reach target b) Time for 50% breakdown c) Total active time d) Production time

Hormone specificity depends on: a) Blood flow b) Receptor binding c) Gland size d) Production rate

Circadian rhythms affect: a) All hormone production b) Some hormone secretion c) No hormone activity d) Only stress hormones

The hypothalamus controls: a) Only thyroid b) Pituitary gland c) Only adrenals d) Only pancreas

Releasing hormones are produced by: a) Target organs b) Hypothalamus c) Blood cells d) Muscles

Inhibiting hormones: a) Increase secretion b) Decrease secretion c) Maintain levels d) Have no effect

Gonadotropins control: a) Growth b) Metabolism c) Reproductive organs d) Water balance

ACTH stimulates: a) Thyroid b) Pancreas c) Adrenal cortex d) Growth

TSH targets the: a) Adrenals b) Pancreas c) Thyroid d) Liver

Prolactin is involved in: a) Growth b) Milk production c) Metabolism d) Water balance

Vasopressin is another name for: a) Growth hormone b) ADH c) Oxytocin d) Insulin

Steroid hormones are: a) Water-soluble b) Lipid-soluble c) Protein-based d) Carbohydrate-based

Protein hormones are: a) Lipid-soluble b) Water-soluble c) Fat-based d) Alcohol-soluble

Hormone cascades involve: a) Single hormone action b) Multiple hormone sequence c) No hormone interaction d) Reverse hormone flow

Paracrine signaling occurs: a) At distant sites b) At nearby cells c) In blood only d) In nerves only

Autocrine signaling affects: a) Distant cells b) Same cell type c) Different organs d) Blood cells only

Hormone degradation occurs in: a) Target cells only b) Liver and kidneys c) Blood only d) Glands only

Metabolic hormones include: a) Only insulin b) Insulin and glucagon c) Only thyroxine d) Multiple hormones

Catecholamines include: a) Only adrenaline b) Adrenaline and noradrenaline c) Only insulin d) Only thyroxine

The fight-or-flight response involves: a) Parasympathetic activation b) Sympathetic activation c) No nervous involvement d) Sleep responses

Aldosterone regulates: a) Blood sugar b) Electrolyte balance c) Growth d) Metabolism

Cortisol is a: a) Growth hormone b) Stress hormone c) Sex hormone d) Digestive hormone

Melatonin controls: a) Growth b) Sleep-wake cycles c) Metabolism d) Reproduction

Parathyroid hormone regulates: a) Blood sugar b) Calcium levels c) Water balance d) Growth

Calcitonin is produced by: a) Parathyroid b) Thyroid c) Adrenal d) Pituitary

Endocrine hypertension results from: a) Low blood pressure b) Hormone excess c) Normal hormones d) No hormones

Diabetes insipidus involves: a) Insulin deficiency b) ADH deficiency c) Growth hormone excess d) Thyroxine excess

Myxedema is caused by: a) Hyperthyroidism b) Hypothyroidism c) Normal thyroid d) Thyroid removal

Graves' disease involves: a) Hypothyroidism b) Hyperthyroidism c) Normal thyroid d) No thyroid function

Addison's disease affects: a) Thyroid b) Pancreas c) Adrenal cortex d) Pituitary

Cushing's syndrome results from: a) Cortisol deficiency b) Cortisol excess c) Normal cortisol d) No cortisol

Acromegaly is caused by: a) Growth hormone deficiency b) Growth hormone excess c) Normal growth hormone d) No growth hormone

Gigantism occurs in: a) Adults only b) Children only c) Elderly only d) All ages equally

Hormone replacement therapy is used for: a) Hormone excess b) Hormone deficiency c) Normal hormones d) No specific condition

Endocrine disruptors are: a) Natural hormones b) Environmental chemicals c) Normal body products d) Medical treatments

Puberty is controlled by: a) Growth hormones only b) Sex hormones c) Stress hormones d) Metabolic hormones

Menopause involves changes in: a) Growth hormones b) Sex hormones c) Stress hormones d) Metabolic hormones

Thyroid function tests measure: a) Only TSH b) Only T4 c) Multiple thyroid markers d) No specific markers

Blood glucose regulation involves: a) Only insulin b) Only glucagon c) Both insulin and glucagon d) Neither hormone

Hormone therapy side effects include: a) No effects b) Potential complications c) Only benefits d) Immediate cures

Endocrine system aging affects: a) No hormone production b) Some hormone changes c) All hormones equally d) Only growth hormones

Stress affects hormone levels by: a) No change b) Altering production c) Stopping production d) Increasing all hormones

Exercise influences: a) No hormones b) Some hormones c) All hormones equally d) Only stress hormones

Diet affects endocrine function through: a) No influence b) Nutrient availability c) Only calories d) Only proteins

Sleep patterns influence: a) No hormones b) Some hormone rhythms c) All hormones d) Only growth hormone

The endocrine system's role in homeostasis is: a) Minor b) Major c) Negligible d) Harmful

SECTION B: SHORT ANSWER QUESTIONS (100 Questions - 1 Mark Each)

Define the endocrine system.

What are hormones?

Name two endocrine glands.

What is the difference between endocrine and exocrine glands?

Which hormone lowers blood glucose?

Which hormone raises blood glucose?

Name the gland that produces insulin.

What does thyroxine regulate?

Which gland produces adrenaline?

What is the function of growth hormone?

Define hyposecretion.

Define hypersecretion.

What are tropic hormones?

What does ADH stand for?

What is the function of oxytocin?

Name the 'master gland' of the body.

What is a feedback mechanism?

Which hormone controls TSH levels?

Where are target organs located?

What type of gland is the pancreas?

Name two functions of cortical hormones.

What response does adrenaline prepare the body for?

List two pituitary hormones.

What is the primary target of insulin?

Name the gland located in the neck.

What element is essential for thyroxine production?

Where is the pituitary gland located?

What are the two parts of the adrenal gland?

Name a disorder caused by insulin deficiency.

What causes gigantism?

What causes dwarfism?

Name two stress hormones.

What is the function of parathyroid hormone?

Which hormone regulates sleep cycles?

What is the target of growth hormone?

Name a thyroid disorder.

What is diabetes insipidus?

Which system works closely with the endocrine system?

What are hormone receptors?

Name a steroid hormone.

Name a protein hormone.

What is autocrine signaling?

What is paracrine signaling?

Where are hormones degraded?

What controls the hypothalamus?

Name a releasing hormone.

What is ACTH?

What does prolactin do?

Another name for vasopressin?

What are catecholamines?

Function of aldosterone?

What is cortisol?

What causes Addison's disease?

What is Cushing's syndrome?

Name an endocrine disruptor.

What controls puberty?

What happens during menopause?

Name a thyroid function test.

What affects hormone half-life?

Role of circadian rhythms in endocrine function?

How does stress affect hormones?

Name a metabolic hormone.

What is hormone specificity?

Function of calcitonin?

What is myxedema?

Cause of Graves' disease?

What is acromegaly?

Purpose of hormone replacement therapy?

Effect of exercise on hormones?

How does diet affect endocrine function?

Role of sleep in hormone production?

What are gonadotropins?

Function of inhibiting hormones?

What is a hormone cascade?

Define negative feedback.

Define positive feedback.

Role of liver in hormone metabolism?

Function of kidneys in endocrine system?

What is endocrine hypertension?

Cause of thyrotoxicosis?

What is hyperinsulinemia?

Function of growth factors?

Role of prostaglandins?

What are neurohormones?

Function of adipose tissue in endocrine system?

What is leptin?

Function of ghrelin?

What is resistin?

Role of vitamin D as hormone?

Function of erythropoietin?

What is atrial natriuretic peptide?

Function of gastrin?

What is secretin?

Role of cholecystokinin?

What is somatostatin?

Function of vasoactive intestinal peptide?

What are incretins?

Role of melatonin in seasonal changes?

Function of pineal gland?

What is endocrine aging?

SECTION C: MEDIUM ANSWER QUESTIONS (100 Questions - 2 Marks Each)

Explain the difference between endocrine and exocrine glands with examples.

Describe the dual function of the pancreas as both endocrine and exocrine gland.

Explain how insulin and glucagon work together to regulate blood glucose levels.

Describe the role of thyroxine in metabolism regulation.

Explain the 'fight or flight' response and the role of adrenaline.

Discuss the functions of the pituitary gland as the 'master gland'.

Explain the concept of feedback mechanism in hormone regulation.

Describe the relationship between TSH and thyroxine levels.

Compare hyposecretion and hypersecretion with examples.

Explain the role of ADH in water balance regulation.

Describe the functions of oxytocin in reproduction.

Discuss the role of growth hormone in human development.

Explain how tropic hormones control other endocrine glands.

Describe the structure and function of the adrenal glands.

Explain the causes and effects of diabetes mellitus.

Discuss the relationship between the hypothalamus and pituitary gland.

Describe how hormone receptors determine target specificity.

Explain the difference between steroid and protein hormones.

Discuss the role of the liver in hormone metabolism.

Describe the circadian rhythm's effect on hormone secretion.

Explain how stress affects the endocrine system.

Discuss the role of calcium-regulating hormones.

Describe the endocrine changes during puberty.

Explain the hormonal control of the menstrual cycle.

Discuss the endocrine aspects of aging.

Describe the role of melatonin in sleep regulation.

Explain the causes and symptoms of hyperthyroidism.

Discuss the effects of hypothyroidism on the body.

Describe Addison's disease and its treatment.

Explain Cushing's syndrome and its manifestations.

Discuss the hormonal causes of hypertension.

Describe the role of cortisol in stress response.

Explain the function of aldosterone in electrolyte balance.

Discuss the endocrine control of metabolism.

Describe the hormonal regulation of growth in children.

Explain the concept of hormone replacement therapy.

Discuss the environmental factors affecting endocrine function.

Describe the role of prostaglandins in body functions.

Explain the endocrine functions of adipose tissue.

Discuss the hormonal control of appetite.

Describe the role of vitamin D as a hormone.

Explain the function of erythropoietin in blood formation.

Discuss the endocrine control of blood pressure.

Describe the hormonal aspects of bone metabolism.

Explain the role of incretins in glucose homeostasis.

Discuss the endocrine functions of the heart.

Describe the hormonal control of kidney function.

Explain the role of gasotrin in digestion.

Discuss the endocrine aspects of wound healing.

Describe the hormonal changes in menopause.

Explain the endocrine control of lactation.

Discuss the role of hormones in pregnancy.

Describe the endocrine aspects of sexual development.

Explain the hormonal control of ovulation.

Discuss the endocrine regulation of sperm production.

Describe the role of hormones in parturition.

Explain the endocrine aspects of maternal behavior.

Discuss the hormonal control of male sexual behavior.

Describe the endocrine changes in andropause.

Explain the role of hormones in seasonal reproduction.

Discuss the endocrine control of hibernation.

Describe the hormonal aspects of migration in animals.

Explain the role of hormones in social behavior.

Discuss the endocrine control of territorial behavior.

Describe the hormonal aspects of aggression.

Explain the role of hormones in learning and memory.

Discuss the endocrine aspects of depression.

Describe the hormonal control of anxiety.

Explain the role of hormones in addiction.

Discuss the endocrine aspects of eating disorders.

Describe the hormonal control of body temperature.

Explain the role of hormones in immune function.

Discuss the endocrine aspects of inflammation.

Describe the hormonal control of healing processes.

Explain the role of hormones in cancer development.

Discuss the endocrine therapy for cancer treatment.

Describe the hormonal aspects of autoimmune diseases.

Explain the role of hormones in allergic reactions.

Discuss the endocrine control of pain perception.

Describe the hormonal aspects of chronic diseases.

Explain the role of exercise in hormone regulation.

Discuss the dietary influences on endocrine function.

Describe the impact of sleep disorders on hormones.

Explain the role of meditation in hormone balance.

Discuss the effects of smoking on endocrine system.

Describe the impact of alcohol on hormone production.

Explain the role of caffeine in endocrine function.

Discuss the effects of obesity on hormone levels.

Describe the hormonal aspects of weight management.

Explain the role of hormones in athletic performance.

Discuss the endocrine aspects of space travel.

Describe the hormonal adaptations to high altitude.

Explain the role of hormones in deep-sea diving.

Discuss the endocrine aspects of shift work.

Describe the hormonal control of jet lag.

Explain the role of light therapy in hormone regulation.

Discuss the endocrine aspects of seasonal affective disorder.

Describe the hormonal changes in extreme weather.

Explain the role of hormones in evolutionary adaptation.

Discuss the future prospects of endocrine research.

SECTION D: LONG ANSWER QUESTIONS (50 Questions - 3 Marks Each)

Describe the complete mechanism of blood glucose regulation involving insulin and glucagon. Include the roles of different organs and feedback mechanisms.

Explain the structure and comprehensive functions of the pituitary gland. Discuss how it controls other endocrine glands and maintains body homeostasis.

Analyze the complete thyroid hormone system including synthesis, regulation, functions, and disorders. Discuss the role of iodine and feedback mechanisms.

Discuss the adrenal gland's structure, hormone production, and physiological effects. Explain both cortical and medullary functions in detail.

Compare and contrast the endocrine and nervous systems in terms of structure, function, speed of response, and duration of effects.

Explain the concept of hormone action at the cellular level. Discuss receptor types, signal transduction, and gene expression changes.

Analyze the role of the hypothalamus in endocrine regulation. Discuss releasing and inhibiting hormones and their target effects.

Describe the complete pathophysiology of diabetes mellitus. Include types, causes, symptoms, complications, and management strategies.

Explain the hormonal control of growth and development from infancy to adulthood. Discuss factors affecting normal growth patterns.

Analyze the endocrine changes during pregnancy. Discuss hormonal adaptations, their functions, and effects on maternal physiology.

Describe the complete mechanism of stress response involving the HPA axis. Explain both acute and chronic stress effects on health.

Explain the hormonal control of calcium homeostasis. Discuss the roles of parathyroid hormone, calcitonin, and vitamin D in bone metabolism.

Analyze the endocrine aspects of aging. Discuss hormonal changes, their effects on body systems, and potential interventions.

Describe the complete reproductive endocrine system in females. Include menstrual cycle regulation, ovulation, and hormonal contraception.

Explain the male reproductive endocrine system. Discuss hormone production, regulation, and effects on sexual development and function.

Analyze the role of environmental factors in endocrine disruption. Discuss chemicals, their mechanisms, and health implications.

Describe the endocrine control of metabolism. Explain how different hormones coordinate energy production, storage, and utilization.

Explain the pathophysiology of thyroid disorders. Compare and contrast hyperthyroidism and hypothyroidism in detail.

Analyze the adrenal disorders including Addison's disease and Cushing's syndrome. Discuss causes, symptoms, and treatment approaches.

Describe the hormonal aspects of water and electrolyte balance. Explain the roles of ADH, aldosterone, and atrial natriuretic peptide.

Explain the endocrine control of blood pressure. Discuss multiple hormonal systems involved in cardiovascular regulation.

Analyze the role of hormones in immune system regulation. Discuss interactions between endocrine and immune systems.

Describe the complete mechanism of lactation including hormonal control, milk production, and the let-down reflex.

Explain the endocrine aspects of sleep regulation. Discuss melatonin, circadian rhythms, and sleep disorders.

Analyze the hormonal control of appetite and satiety. Discuss leptin, ghrelin, and other regulatory molecules.

Describe the endocrine functions of non-traditional glands like heart, kidneys, and adipose tissue. Explain their hormonal contributions.

Explain the concept of hormone resistance. Discuss mechanisms, examples, and clinical implications of receptor insensitivity.

Analyze the role of prostaglandins and other local hormones. Discuss their synthesis, functions, and therapeutic applications.

Describe the endocrine aspects of cancer. Explain hormone-dependent cancers and endocrine therapy approaches.

Explain the developmental aspects of the endocrine system. Discuss how glands develop and when they become functional.

Analyze the effects of nutrition on endocrine function. Discuss how deficiencies and excesses affect hormone production and action.

Describe the hormonal adaptations to exercise. Explain both acute responses and chronic adaptations to physical training.

Explain the endocrine aspects of mood regulation. Discuss hormonal influences on depression, anxiety, and other mood disorders.

Analyze the role of hormones in learning and memory. Discuss how endocrine factors affect cognitive function.

Describe the hormonal control of bone remodeling. Explain the balance between bone formation and resorption throughout life.

Explain the endocrine regulation of body temperature. Discuss thermoregulatory hormones and their mechanisms of action.

Analyze the hormonal aspects of wound healing. Discuss how different hormones promote tissue repair and regeneration.

Describe the endocrine control of kidney function. Explain hormonal regulation of filtration, reabsorption, and secretion.

Explain the role of hormones in gastrointestinal function. Discuss gut hormones and their effects on digestion and metabolism.

Analyze the endocrine aspects of seasonal biological rhythms. Discuss how photoperiod affects hormone production and behavior.

Describe the hormonal control of parturition. Explain the cascade of events leading to labor and delivery.

Explain the endocrine basis of sexual differentiation. Discuss how hormones determine male and female development during embryogenesis and puberty.

Analyze the role of hormones in social behavior. Discuss how oxytocin, vasopressin, and other hormones influence bonding and social interactions.

Describe the endocrine aspects of addiction. Explain how drugs affect hormone systems and how hormonal imbalances contribute to addictive behaviors.

Explain the hormonal control of circadian rhythms. Discuss the role of the suprachiasmatic nucleus, melatonin, and other factors in maintaining biological clocks.

Analyze the endocrine responses to different types of stress. Compare acute versus chronic stress effects on various hormone systems.

Describe the role of epigenetics in endocrine function. Explain how environmental factors can modify hormone gene expression across generations.

Explain the endocrine aspects of longevity and healthy aging. Discuss hormonal interventions and their potential benefits and risks.

Analyze the interaction between the endocrine system and microbiome. Discuss how gut bacteria influence hormone production and metabolism.

Describe the future directions in endocrine research and therapy. Discuss emerging technologies, personalized medicine approaches, and potential breakthrough treatments.

Cite:Titas Mallick. "Endocrine System" in BioNotes.

source:

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Endocrine System - Question Paper SECTION A: MULTIPLE CHOICE QUESTIONS (100 MCQs)SECTION B: SHORT ANSWER QUESTIONS (100 Questions - 1 Mark Each)SECTION C: MEDIUM ANSWER QUESTIONS (100 Questions - 2 Marks Each)SECTION D: LONG ANSWER QUESTIONS (50 Questions - 3 Marks Each)