Popular Categories

Matric Subjects

FSc Subjects

English Language

Entry Test

Other Categories

Quiz Game
Puzzle Game

Free MCQs & Online Quiz Practice for Exams

Review Mode Quiz Mode

Q: The correct order of the structures involved in the flow of air in the human body is

A) Pharynx→Trachea→Larynx→Bronchi→Bronchioles

B) Larynx→Pharynx→Trachea→Bronchi→Bronchioles

C) Trachea→Pharynx→Larynx→Bronchi→Bronchioles

D) Pharynx→Larynx→Trachea→Bronchi→Bronchioles

Answer: D. Pharynx→Larynx→Trachea→Bronchi→Bronchioles

Q: Food is prevented from entering into the Larynx by

A) Glottis

B) Epiglottis

C) Vocal cords

D) Internal nostrils

Answer: B. Epiglottis

Q: Oxygen from the lungs enters into the blood due to

A) Diffusion

B) Higher affinity of CO₂ for air

C) Less affinity of O₂ for air

D) Osmosis

Answer: A. Diffusion

Q: Which part of the air passageway is also called the windpipe?

A) Bronchus

B) Alveolus

C) Larynx

D) Trachea

Answer: D. Trachea

Q: In which disease are the walls of the alveoli broken?

A) Pneumonia

B) Bronchitis

C) Emphysema

D) Asthma

Answer: C. Emphysema

Q: The diaphragm is flat and the ribs move out; this occurs during

A) Expiration

B) Inspiration

C) Lungs expansion

D) Breathing

Answer: B. Inspiration

Q: The chest cavity is separated from the abdominal cavity by a muscle called

A) Larynx

B) Trachea

C) Bronchus

D) Diaphragm

Answer: D. Diaphragm

Q: Respiration at cellular level is known as

A) Breathing

B) Ventilation

C) Oxidation

D) Inhalation

Answer: C. Oxidation

Q: High fever cold and cough with sputum production are symptoms of

A) Emphysema

B) Asthma

C) Pneumonia

D) Lung cancer

Answer: C. Pneumonia

Q: Chemotherapy is a treatment of

A) Emphysema

B) Bronchitis

C) Asthma

D) Lung cancer

Answer: D. Lung cancer

Q: Organisms have the ability to change and modify their internal conditions according to the environment through

A) Osmoregulation

B) Excretion

C) Thermoregulation

D) All of the above

Answer: D. All of the above

Q: All of the following are adaptations of xerophytes except

A) Thick cuticle

B) Sunken stomata

C) Large number of stomata

D) Deep root system

Answer: C. Large number of stomata

Q: The loss of water from the plants in the form of small droplets is

A) Stomatal transpiration

B) Lenticular transpiration

C) Cuticular transpiration

D) Guttation

Answer: D. Guttation

Q: From a nephron wastes enter into the

A) Collecting tubules

B) Ureter

C) Convoluted tubules

D) Medulla

Answer: A. Collecting tubules

Q: The tube between the kidney and urinary bladder is the

A) Ureter

B) Urethra

C) Renal tubule

D) Nephron

Answer: A. Ureter

Q: Waste products excreted by the kidneys are Urea water and salts

A) Urea, water and Salts

B) water and carbon dioxide

C) Urea and water

D) digestive organ

Answer: A. Urea, water and Salts

Q: Secretion of urea in sweat makes skin a

A) Respiratory organ

B) Breathing organ

C) Excretory organ

D) Digestive organ

Answer: C. Excretory organ

Q: The two main functions of sweat are to

A) Keep the body cool and to remove excess proteins

B) Keep the body warm and to filter the blood

C) Filter the blood and to remove waste product

D) Remove waste products and to cool the body

Answer: D. Remove waste products and to cool the body

Q: Which is NOT present in the filtrate entering the Bowman's capsule of a nephron?

A) Water

B) Calcium ions

C) Blood cells

D) Urea

Answer: C. Blood cells

Q: Liver also plays a role in excretion. It makes urea from

A) Uric acid

B) Ammonia

C) Carbon dioxide

D) Amino acids

Answer: D. Amino acids