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) Eutropication
C) Eutrophication
D) Eutriphication
  • 2. The following are the processes involved in the formation of urine except.......
A) Hormonal secretion
B) Glomerulus in the bowman's capsule
C) Selective reabsorption
D) Ultra filteration
  • 3. Effects of food shortage on the size of a population include the following except.......
A) Emigration
B) Competition
C) Increased supply of a particular type of food
D) Decline in the rate of reproduction
  • 4. The following are biotic factors affecting a population except......
A) Food
B) Mortality
C) Light
D) Competition
  • 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) Increased risk of STDs
D) Prevention of population explosion
  • 6. The maintenance of a fairly constant internal environment in an organism is known as .........
A) Homeostasis
B) Neutralisation
C) Osmotic pressure balance
D) Concentration gradient
  • 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) Gliding
D) Ball and socket
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Tonsil
B) Ligament
C) Tendons
D) Cartilage
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Antitoxins
B) Precipitins
C) Lysin
D) Agglutinins
  • 11. What is the main function of the kidney?
A) Production of hormones
B) Digestion of food
C) Filtration of blood
D) Regulation of body temperature
  • 12. Which of the following is a remedy for the effects of kidney diseases?
A) Dialysis
B) Chemotherapy
C) Antibiotics
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) Osteoporosis
C) Cirrhosis
D) Pneumonia
  • 15. What are the effects of liver diseases on the body?
A) Improved memory
B) Impaired digestion
C) Accelerated wound healing
D) Increased muscle strength
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Meditation
B) Liver transplantation
C) Vitamin supplements
D) Physical therapy
  • 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) Lungs
C) Stomach
D) Pancreas
  • 19. What is the effect of over-secretion of hormones?
A) Decreased heart rate
B) Weakened immune system
C) Weight loss
D) Increased blood pressure
  • 20. What is the effect of under-secretion (deficiency) of hormones?
A) Improved cognitive function
B) Accelerated wound healing
C) Enhanced muscle strength
D) Reduced growth rate
  • 21. What is the structure and function of the spinal cord?
A) Oxygen exchange in the lungs
B) Digestion and absorption of nutrients
C) Production of hormones
D) Communication between the brain and body
  • 22. Which of the following is a component of the brain?
A) Nephrons
B) Red blood cells
C) Neurons
D) Alveoli
  • 23. What are the functions of the central nervous system?
A) Maintenance of body temperature
B) Regulation of hormone production
C) Control of voluntary and involuntary body movements
D) Digestion of food
  • 24. What is the somatic nervous system responsible for?
A) Regulating hormone production
B) Coordinating voluntary movements
C) Controlling involuntary body functions
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 produce hormones that regulate body functions.
C) Neurons are specialized cells that transmit electrical impulses.
D) Neurons control voluntary muscle movements.
  • 26. How are neurons classified?
A) Based on their ability to produce hormones
B) Based on the direction of nerve impulse transmission
C) Based on their size
D) Based on their location in the body
  • 27. How are nervous impulses transmitted between neurons?
A) Through hormonal secretions
B) Through the bloodstream
C) Through the digestive system
D) Through electrical signals
  • 28. What is the role of conditional reflexes in behavior?
A) Controlling involuntary body functions
B) Coordinating voluntary muscle movements
C) Regulating hormone production
D) Shaping and modifying learned behaviors
  • 29. Which of the following is an example of a conditional reflex?
A) Salivating at the smell of food
B) Blinking in response to a bright light
C) Withdrawing a hand from a hot surface
D) Regulating body temperature through shivering
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