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) Eutrophication
D) Eutropication
  • 2. The following are the processes involved in the formation of urine except.......
A) Glomerulus in the bowman's capsule
B) Ultra filteration
C) Selective reabsorption
D) Hormonal secretion
  • 3. Effects of food shortage on the size of a population include the following except.......
A) Decline in the rate of reproduction
B) Increased supply of a particular type of food
C) Competition
D) Emigration
  • 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) Increased risk of STDs
B) Prevention of indiscriminate abortion
C) Prevention of population explosion
D) Promotion of maternal and mother's health
  • 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 fluid
B) Synovial cavity
C) Synovial membrane
D) Cartilage
  • 8. ------------- joint allows movement in almost all directions
A) Hinge
B) Gliding
C) Pivot
D) Ball and socket
  • 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) Lysin
B) Antitoxins
C) Agglutinins
D) Precipitins
  • 11. What is the main function of the kidney?
A) Regulation of body temperature
B) Filtration of blood
C) Digestion of food
D) Production of hormones
  • 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) 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) Osteoporosis
C) Malaria
D) Pneumonia
  • 15. What are the effects of liver diseases on the body?
A) Increased muscle strength
B) Accelerated wound healing
C) Improved memory
D) Impaired digestion
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Meditation
B) Liver transplantation
C) Vitamin supplements
D) Physical therapy
  • 17. What is the structure and function of the mammalian skin?
A) Muscle contraction and relaxation
B) Digestion and absorption
C) Vision and hearing
D) Protection and temperature regulation
  • 18. Where are the hormonal glands located?
A) Pancreas
B) Lungs
C) Endocrine system
D) Stomach
  • 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) 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) Production of hormones
C) Digestion and absorption of nutrients
D) Communication between the brain and body
  • 22. Which of the following is a component of the brain?
A) Nephrons
B) Alveoli
C) Red blood cells
D) Neurons
  • 23. What are the functions of the central nervous system?
A) Maintenance of body temperature
B) Digestion of food
C) Regulation of hormone production
D) Control of voluntary and involuntary body movements
  • 24. What is the somatic nervous system responsible for?
A) Coordinating voluntary movements
B) Controlling involuntary body functions
C) Regulating hormone production
D) Maintaining body temperature
  • 25. What is the structure and function of neurons?
A) Neurons are found only in the brain and spinal cord.
B) Neurons are specialized cells that transmit electrical impulses.
C) Neurons produce hormones that regulate body functions.
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 electrical signals
B) Through hormonal secretions
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) Controlling involuntary body functions
C) Shaping and modifying learned behaviors
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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