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