SS 2 AIC Biology Exam Questions - 3rd Term
  • 1. The excessive growth of plant life or algae in water courses or bodies caused by an increase in organic nutrients or minerals leading to the death of aquatic organisms is called ...........
A) Eutriphication
B) Eutrophication
C) Etrophication
D) Eutropication
  • 2. The following are the processes involved in the formation of urine except.......
A) Hormonal secretion
B) Ultra filteration
C) Selective reabsorption
D) Glomerulus in the bowman's capsule
  • 3. Effects of food shortage on the size of a population include the following except.......
A) Emigration
B) Decline in the rate of reproduction
C) Competition
D) Increased supply of a particular type of food
  • 4. The following are biotic factors affecting a population except......
A) Competition
B) Light
C) Mortality
D) Food
  • 5. One of the following is not an importance of family planning to a nation.
A) Promotion of maternal and mother's health
B) Prevention of indiscriminate abortion
C) Prevention of population explosion
D) Increased risk of STDs
  • 6. The maintenance of a fairly constant internal environment in an organism is known as .........
A) Concentration gradient
B) Homeostasis
C) Osmotic pressure balance
D) Neutralisation
  • 7. One of the following secrets synovial fluid which acts as a shock absorber.
A) Synovial cavity
B) Cartilage
C) Synovial fluid
D) Synovial membrane
  • 8. ------------- joint allows movement in almost all directions
A) Ball and socket
B) Pivot
C) Hinge
D) Gliding
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Ligament
B) Cartilage
C) Tendons
D) Tonsil
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Precipitins
B) Lysin
C) Agglutinins
D) Antitoxins
  • 11. What is the main function of the kidney?
A) Digestion of food
B) Filtration of blood
C) Production of hormones
D) Regulation of body temperature
  • 12. Which of the following is a remedy for the effects of kidney diseases?
A) Antibiotics
B) Physical exercise
C) Dialysis
D) Chemotherapy
  • 13. What are the functions of the liver?
A) Regulation of body temperature
B) Detoxification of harmful substances
C) Production of red blood cells
D) Protection of the lungs
  • 14. Which of the following is a disease of the liver?
A) Osteoporosis
B) Malaria
C) Pneumonia
D) Cirrhosis
  • 15. What are the effects of liver diseases on the body?
A) Increased muscle strength
B) Accelerated wound healing
C) Improved memory
D) Impaired digestion
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Vitamin supplements
B) Meditation
C) Physical therapy
D) Liver transplantation
  • 17. What is the structure and function of the mammalian skin?
A) Vision and hearing
B) Digestion and absorption
C) Protection and temperature regulation
D) Muscle contraction and relaxation
  • 18. Where are the hormonal glands located?
A) Endocrine system
B) Pancreas
C) Lungs
D) Stomach
  • 19. What is the effect of over-secretion of hormones?
A) Weight loss
B) Weakened immune system
C) Increased blood pressure
D) Decreased heart rate
  • 20. What is the effect of under-secretion (deficiency) of hormones?
A) Accelerated wound healing
B) Improved cognitive function
C) Reduced growth rate
D) Enhanced muscle strength
  • 21. What is the structure and function of the spinal cord?
A) Communication between the brain and body
B) Production of hormones
C) Digestion and absorption of nutrients
D) Oxygen exchange in the lungs
  • 22. Which of the following is a component of the brain?
A) Red blood cells
B) Alveoli
C) Nephrons
D) Neurons
  • 23. What are the functions of the central nervous system?
A) Control of voluntary and involuntary body movements
B) Digestion of food
C) Maintenance of body temperature
D) Regulation of hormone production
  • 24. What is the somatic nervous system responsible for?
A) Controlling involuntary body functions
B) Coordinating voluntary movements
C) Regulating hormone production
D) Maintaining body temperature
  • 25. What is the structure and function of neurons?
A) Neurons produce hormones that regulate body functions.
B) Neurons are found only in the brain and spinal cord.
C) Neurons are specialized cells that transmit electrical impulses.
D) Neurons control voluntary muscle movements.
  • 26. How are neurons classified?
A) Based on their size
B) Based on the direction of nerve impulse transmission
C) Based on their ability to produce hormones
D) Based on their location in the body
  • 27. How are nervous impulses transmitted between neurons?
A) Through the bloodstream
B) Through the digestive system
C) Through hormonal secretions
D) Through electrical signals
  • 28. What is the role of conditional reflexes in behavior?
A) Coordinating voluntary muscle movements
B) Shaping and modifying learned behaviors
C) Regulating hormone production
D) Controlling involuntary body functions
  • 29. Which of the following is an example of a conditional reflex?
A) Regulating body temperature through shivering
B) Salivating at the smell of food
C) Blinking in response to a bright light
D) Withdrawing a hand from a hot surface
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