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) Eutrophication
B) Etrophication
C) Eutropication
D) Eutriphication
  • 2. The following are the processes involved in the formation of urine except.......
A) Glomerulus in the bowman's capsule
B) Selective reabsorption
C) Hormonal secretion
D) Ultra filteration
  • 3. Effects of food shortage on the size of a population include the following except.......
A) Decline in the rate of reproduction
B) Emigration
C) Increased supply of a particular type of food
D) Competition
  • 4. The following are biotic factors affecting a population except......
A) Food
B) Light
C) Competition
D) Mortality
  • 5. One of the following is not an importance of family planning to a nation.
A) Prevention of indiscriminate abortion
B) Prevention of population explosion
C) Promotion of maternal and mother's health
D) Increased risk of STDs
  • 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) Synovial membrane
B) Synovial fluid
C) Cartilage
D) Synovial cavity
  • 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) Ligament
B) Cartilage
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) Lysin
C) Agglutinins
D) Precipitins
  • 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) Antibiotics
C) Chemotherapy
D) Physical exercise
  • 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) Pneumonia
C) Malaria
D) Cirrhosis
  • 15. What are the effects of liver diseases on the body?
A) Improved memory
B) Increased muscle strength
C) Accelerated wound healing
D) Impaired digestion
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Liver transplantation
B) Physical therapy
C) Meditation
D) Vitamin supplements
  • 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) Stomach
B) Pancreas
C) Lungs
D) Endocrine system
  • 19. What is the effect of over-secretion of hormones?
A) Weakened immune system
B) Increased blood pressure
C) Weight loss
D) Decreased heart rate
  • 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) Production of hormones
D) Communication between the brain and body
  • 22. Which of the following is a component of the brain?
A) Alveoli
B) Nephrons
C) Red blood cells
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) Regulation of hormone production
D) Maintenance of body temperature
  • 24. What is the somatic nervous system responsible for?
A) Coordinating voluntary movements
B) Regulating hormone production
C) Maintaining body temperature
D) Controlling involuntary body functions
  • 25. What is the structure and function of neurons?
A) Neurons are specialized cells that transmit electrical impulses.
B) Neurons produce hormones that regulate body functions.
C) Neurons are found only in the brain and spinal cord.
D) Neurons control voluntary muscle movements.
  • 26. How are neurons classified?
A) Based on the direction of nerve impulse transmission
B) Based on their location in the body
C) Based on their ability to produce hormones
D) Based on their size
  • 27. How are nervous impulses transmitted between neurons?
A) Through hormonal secretions
B) Through the digestive system
C) Through the bloodstream
D) Through electrical signals
  • 28. What is the role of conditional reflexes in behavior?
A) Shaping and modifying learned behaviors
B) Coordinating voluntary muscle movements
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) Blinking in response to a bright light
C) Salivating at the smell of food
D) Withdrawing a hand from a hot surface
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