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