Free MCQs & Online Quiz Practice for Exams

Q: The least toxic excretory product is: (Entry test 2012 , 2019)

A) Ammonia

B) Urea

C) Uric acid

D) Fatty acid

Q: The birds excrete: (Entry test 2013)

A) Ammonia

B) Urea

C) Uric acid

D) Acetic acid

Q: Human body thermostat is: (Entry test 2015)

A) Medulla

B) Medulla oblongata

C) Body fluid

D) Hypothalamus

Q: Which of the following animal is not endothermic: (Entry test 2015)

A) Salamander

B) Great white shark

C) Polar bear

D) Butterfly

Q: Each kidney of human being weighs about: (Entry test 2016)

A) 140 grams

B) 160 grams

C) 130 grams

D) 150 grams

Q: The number of cortical nephrons are: (Entry test 2016)

A) 70–80%

B) 80–90%

C) 60–70%

D) 60–80%

Q: Which of the following are components of homeostatic mechanism: (Effectors)

A) Receptors

B) Regulators

C) Effectors

D) Receptors

Q: A condition called goose pimples is caused by: (Entry test 2018)

A) Overcooled body

B) Bacteria

C) Environmental changes

D) Pollution

Q: Which of the following is not isotonic to sea water: (Entry test 2018)

A) Myxine

B) Skates

C) Sharks

D) Teleost

Q: Mg²⁺ and Ca²⁺ are excreted in fishes through: (Entry test 2018)

A) Kidney

B) Gills

C) Skin

D) All of them

Q: Some marine fishes possess salt excreting organ known as: (Entry test 2019)

A) Thyroid gland

B) Pituitary gland

C) Adrenal gland

D) Rectal gland

Q: To regulate the body temperature: (Entry test 2019)

A) Hypothalamus

B) Thalamus

C) Hippocampus

D) Amygdala

Q: The inner surface of a kidney has a deep notch called: (Entry test 2019)

A) Renal pelvis

B) Hilus

C) Medulla

D) Pyramid

Q: In humans, the temperature regulation control center is located in: (Entry test 2020)

A) Kidneys

B) Brain

C) Lungs

D) Liver

Q: The number of vertebrae in Coccyx is: (Entry test 2005)

A) 2

B) 3

C) 4

D) 5

Q: The cartilage present in trachea is: (Entry test 2006)

A) Fibrous

B) Hyaline

C) Elastic

D) Neurotic

Q: The human sacrum consists of how many vertebrae: (Entry test 2008)

A) Two

B) Three

C) Four

D) Five

Q: Bones are held together at the joints by: (Entry test 2008)

A) Tendons

B) Smooth muscles

C) Ligaments

D) Nerves

Q: Heart muscles are called: (Entry test 2010)

A) Smooth muscles

B) Myogenic muscles

C) Striated muscles

D) Skeletal muscles

Q: A network of tubules that runs through compact bone is called the: (Entry test 2011)

A) Haversian canal

B) Periosteum

C) Marrow

D) Joint