Free MCQs & Online Quiz Practice for Exams

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

A) Emphysema

B) Asthma

C) Pneumonia

D) Lung cancer

Q: Chemotherapy is a treatment of

A) Emphysema

B) Bronchitis

C) Asthma

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

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

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

Q: From a nephron wastes enter into the

A) Collecting tubules

B) Ureter

C) Convoluted tubules

D) Medulla

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

A) Ureter

B) Urethra

C) Renal tubule

D) Nephron

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

Q: Secretion of urea in sweat makes skin a

A) Respiratory organ

B) Breathing organ

C) Excretory organ

D) Digestive 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

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

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

A) Uric acid

B) Ammonia

C) Carbon dioxide

D) Amino acids

Q: Insulin is a hormone and is secreted by

A) Liver

B) Pancreas

C) Stomach

D) By both liver and pancreas

Q: One of the following is a muscular layer of the eyeball

A) Retina

B) Sclera

C) Cornea

D) Choroid

Q: The part of neuron that carries the signals away from the cell body is:

A) Axon

B) Dendrite

C) Schwann cell

D) Myelin sheath

Q: One of the following is responsible for the detection of changes in the environment

A) Receptors

B) Neurons

C) Effectors

D) All of them

Q: Which of the following is true about the cerebral cortex?

A) It is located deep in the brain

B) It is the folded outer covering of the brain

C) It is located at the back of the brain

D) It is part of the peripheral nervous system

Q: Light rays focus behind the retina instead of focusing on the surface of the retina. This condition is known as

A) Myopia

B) Hypermetropia

C) Short sightedness

D) Normal vision

Q: Microscopic gaps between the neuron endings are

A) Transmitters

B) Synapses

C) Nodes

D) Axons

Q: The largest part of the brain is

A) Cerebrum

B) Cerebellum

C) Medulla oblongata

D) Thalamus