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) Eutrophication
C) Eutropication
D) Etrophication
  • 2. The following are the processes involved in the formation of urine except.......
A) Glomerulus in the bowman's capsule
B) Selective reabsorption
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) Emigration
D) Competition
  • 4. The following are biotic factors affecting a population except......
A) Food
B) Light
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) 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) Osmotic pressure balance
B) Neutralisation
C) Homeostasis
D) Concentration gradient
  • 7. One of the following secrets synovial fluid which acts as a shock absorber.
A) Synovial cavity
B) Synovial membrane
C) Cartilage
D) Synovial fluid
  • 8. ------------- joint allows movement in almost all directions
A) Gliding
B) Hinge
C) Pivot
D) Ball and socket
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Ligament
B) Tendons
C) Tonsil
D) Cartilage
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Agglutinins
B) Precipitins
C) Antitoxins
D) Lysin
  • 11. What is the main function of the kidney?
A) Regulation of body temperature
B) Production of hormones
C) Digestion of food
D) Filtration of blood
  • 12. Which of the following is a remedy for the effects of kidney diseases?
A) Physical exercise
B) Antibiotics
C) Chemotherapy
D) Dialysis
  • 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) Malaria
B) Osteoporosis
C) Cirrhosis
D) Pneumonia
  • 15. What are the effects of liver diseases on the body?
A) Improved memory
B) Accelerated wound healing
C) Impaired digestion
D) Increased muscle strength
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Vitamin supplements
B) Physical therapy
C) Meditation
D) Liver transplantation
  • 17. What is the structure and function of the mammalian skin?
A) Protection and temperature regulation
B) Muscle contraction and relaxation
C) Vision and hearing
D) Digestion and absorption
  • 18. Where are the hormonal glands located?
A) Lungs
B) Stomach
C) Pancreas
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) Enhanced muscle strength
B) Improved cognitive function
C) Reduced growth rate
D) Accelerated wound healing
  • 21. What is the structure and function of the spinal cord?
A) Digestion and absorption of nutrients
B) Production of hormones
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) Control of voluntary and involuntary body movements
B) Regulation of hormone production
C) Digestion of food
D) Maintenance of body temperature
  • 24. What is the somatic nervous system responsible for?
A) Controlling involuntary body functions
B) Regulating hormone production
C) Coordinating voluntary movements
D) Maintaining body temperature
  • 25. What is the structure and function of neurons?
A) Neurons control voluntary muscle movements.
B) Neurons produce hormones that regulate body functions.
C) Neurons are specialized cells that transmit electrical impulses.
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 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 the digestive system
B) Through the bloodstream
C) Through electrical signals
D) Through hormonal secretions
  • 28. What is the role of conditional reflexes in behavior?
A) Coordinating voluntary muscle movements
B) Shaping and modifying learned behaviors
C) Controlling involuntary body functions
D) Regulating hormone production
  • 29. Which of the following is an example of a conditional reflex?
A) Salivating at the smell of food
B) Regulating body temperature through shivering
C) Blinking in response to a bright light
D) Withdrawing a hand from a hot surface
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