Animal Physiology
Biology ⇒ Animal Biology
Animal Physiology starts at 9 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Animal Physiology.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Describe how the structure of capillaries facilitates their function in the circulatory system.
Describe the process of synaptic transmission in the nervous system.
Describe the role of alveoli in the mammalian respiratory system.
Describe the role of antidiuretic hormone (ADH) in osmoregulation.
Describe the role of the hypothalamus in the endocrine system.
Explain how countercurrent exchange in fish gills maximizes oxygen uptake.
Explain how negative feedback helps maintain homeostasis in animals, using body temperature regulation as an example.
Explain the difference between innate and adaptive immunity in animals.
Which hormone is primarily responsible for regulating blood glucose levels?
(1) Insulin
(2) Thyroxine
(3) Adrenaline
(4) Estrogen
Which of the following animals excretes uric acid as its main nitrogenous waste product?
(1) Fish
(2) Mammals
(3) Birds
(4) Amphibians
Which of the following animals has a three-chambered heart?
(1) Fish
(2) Amphibians
(3) Birds
(4) Mammals
Which of the following best describes the function of bile in digestion?
(1) Breaks down proteins
(2) Emulsifies fats
(3) Absorbs water
(4) Neutralizes acids
The contraction of the heart is initiated by electrical impulses generated in the __________.
The functional unit of the kidney is called the __________.
The gap between two neurons where neurotransmitters are released is called the __________.
The hormone __________ is released by the adrenal medulla in response to stress.
True or False: Ectothermic animals rely on external sources to regulate their body temperature.
True or False: Myelin sheaths increase the speed of nerve impulse transmission.
True or False: The pancreas has both endocrine and exocrine functions.
True or False: The primary function of red blood cells is to defend the body against pathogens.
