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) Eutriphication
D) Eutrophication
  • 2. The following are the processes involved in the formation of urine except.......
A) Ultra filteration
B) Selective reabsorption
C) Hormonal secretion
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) Competition
C) Decline in the rate of reproduction
D) Increased supply of a particular type of food
  • 4. The following are biotic factors affecting a population except......
A) Light
B) Food
C) Mortality
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) Osmotic pressure balance
B) Homeostasis
C) Concentration gradient
D) Neutralisation
  • 7. One of the following secrets synovial fluid which acts as a shock absorber.
A) Cartilage
B) Synovial cavity
C) Synovial fluid
D) Synovial membrane
  • 8. ------------- joint allows movement in almost all directions
A) Ball and socket
B) Hinge
C) Gliding
D) Pivot
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Ligament
B) Tendons
C) Cartilage
D) Tonsil
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Precipitins
B) Antitoxins
C) Agglutinins
D) Lysin
  • 11. What is the main function of the kidney?
A) Digestion of food
B) Production of hormones
C) Filtration of blood
D) Regulation of body temperature
  • 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) 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) Cirrhosis
B) Osteoporosis
C) Pneumonia
D) Malaria
  • 15. What are the effects of liver diseases on the body?
A) Increased muscle strength
B) Accelerated wound healing
C) Impaired digestion
D) Improved memory
  • 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) Digestion and absorption
B) Protection and temperature regulation
C) Muscle contraction and relaxation
D) Vision and hearing
  • 18. Where are the hormonal glands located?
A) Endocrine system
B) Stomach
C) Pancreas
D) Lungs
  • 19. What is the effect of over-secretion of hormones?
A) Weight loss
B) Increased blood pressure
C) Decreased heart rate
D) Weakened immune system
  • 20. What is the effect of under-secretion (deficiency) of hormones?
A) Reduced growth rate
B) Improved cognitive function
C) Enhanced muscle strength
D) Accelerated wound healing
  • 21. What is the structure and function of the spinal cord?
A) Oxygen exchange in the lungs
B) Digestion and absorption of nutrients
C) Communication between the brain and body
D) Production of hormones
  • 22. Which of the following is a component of the brain?
A) Nephrons
B) Red blood cells
C) Alveoli
D) Neurons
  • 23. What are the functions of the central nervous system?
A) Control of voluntary and involuntary body movements
B) Regulation of hormone production
C) Maintenance of body temperature
D) Digestion of food
  • 24. What is the somatic nervous system responsible for?
A) Regulating hormone production
B) Controlling involuntary body functions
C) Maintaining body temperature
D) Coordinating voluntary movements
  • 25. What is the structure and function of neurons?
A) Neurons are specialized cells that transmit electrical impulses.
B) Neurons are found only in the brain and spinal cord.
C) Neurons produce hormones that regulate body functions.
D) Neurons control voluntary muscle movements.
  • 26. How are neurons classified?
A) Based on their size
B) Based on their location in the body
C) Based on the direction of nerve impulse transmission
D) Based on their ability to produce hormones
  • 27. How are nervous impulses transmitted between neurons?
A) Through hormonal secretions
B) Through the digestive system
C) Through electrical signals
D) Through the bloodstream
  • 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) 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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