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) Eutropication
B) Eutriphication
C) Eutrophication
D) Etrophication
  • 2. The following are the processes involved in the formation of urine except.......
A) Hormonal secretion
B) Selective reabsorption
C) Glomerulus in the bowman's capsule
D) Ultra filteration
  • 3. Effects of food shortage on the size of a population include the following except.......
A) Emigration
B) Increased supply of a particular type of food
C) Decline in the rate of reproduction
D) Competition
  • 4. The following are biotic factors affecting a population except......
A) Food
B) Competition
C) Mortality
D) Light
  • 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) 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 cavity
B) Cartilage
C) Synovial membrane
D) Synovial fluid
  • 8. ------------- joint allows movement in almost all directions
A) Pivot
B) Gliding
C) Hinge
D) Ball and socket
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Ligament
B) Cartilage
C) Tendons
D) Tonsil
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Antitoxins
B) Precipitins
C) Lysin
D) Agglutinins
  • 11. What is the main function of the kidney?
A) Production of hormones
B) Filtration of blood
C) Digestion of food
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) Chemotherapy
D) Dialysis
  • 13. What are the functions of the liver?
A) Protection of the lungs
B) Regulation of body temperature
C) Production of red blood cells
D) Detoxification of harmful substances
  • 14. Which of the following is a disease of the liver?
A) Osteoporosis
B) Malaria
C) Pneumonia
D) Cirrhosis
  • 15. What are the effects of liver diseases on the body?
A) Improved memory
B) Impaired digestion
C) Accelerated wound healing
D) Increased muscle strength
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Physical therapy
B) Meditation
C) Vitamin supplements
D) Liver transplantation
  • 17. What is the structure and function of the mammalian skin?
A) Vision and hearing
B) Digestion and absorption
C) Muscle contraction and relaxation
D) Protection and temperature regulation
  • 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) Increased blood pressure
B) Weight loss
C) Decreased heart rate
D) Weakened immune system
  • 20. What is the effect of under-secretion (deficiency) of hormones?
A) Accelerated wound healing
B) Improved cognitive function
C) Reduced growth rate
D) Enhanced muscle strength
  • 21. What is the structure and function of the spinal cord?
A) Communication between the brain and body
B) Digestion and absorption of nutrients
C) Oxygen exchange in the lungs
D) Production of hormones
  • 22. Which of the following is a component of the brain?
A) Alveoli
B) Neurons
C) Nephrons
D) Red blood cells
  • 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) 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 found only in the brain and spinal cord.
B) Neurons are specialized cells that transmit electrical impulses.
C) Neurons control voluntary muscle movements.
D) Neurons produce hormones that regulate body functions.
  • 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 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) Regulating hormone production
B) Coordinating voluntary muscle movements
C) Controlling involuntary body functions
D) Shaping and modifying learned behaviors
  • 29. Which of the following is an example of a conditional reflex?
A) Regulating body temperature through shivering
B) Salivating at the smell of food
C) Blinking in response to a bright light
D) Withdrawing a hand from a hot surface
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