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