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) Etrophication
C) Eutrophication
D) Eutriphication
  • 2. The following are the processes involved in the formation of urine except.......
A) Selective reabsorption
B) Hormonal secretion
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) Increased supply of a particular type of food
B) Emigration
C) Competition
D) Decline in the rate of reproduction
  • 4. The following are biotic factors affecting a population except......
A) Food
B) Mortality
C) Light
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) Promotion of maternal and mother's health
D) Prevention of population explosion
  • 6. The maintenance of a fairly constant internal environment in an organism is known as .........
A) Homeostasis
B) Neutralisation
C) Osmotic pressure balance
D) Concentration gradient
  • 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) Gliding
B) Hinge
C) Ball and socket
D) Pivot
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Tendons
B) Ligament
C) Cartilage
D) Tonsil
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Antitoxins
B) Lysin
C) Precipitins
D) Agglutinins
  • 11. What is the main function of the kidney?
A) Digestion of food
B) Production of hormones
C) Filtration of blood
D) Regulation of body temperature
  • 12. Which of the following is a remedy for the effects of kidney diseases?
A) Chemotherapy
B) Antibiotics
C) Physical exercise
D) Dialysis
  • 13. What are the functions of the liver?
A) Detoxification of harmful substances
B) Production of red blood cells
C) Protection of the lungs
D) Regulation of body temperature
  • 14. Which of the following is a disease of the liver?
A) Cirrhosis
B) Pneumonia
C) Malaria
D) Osteoporosis
  • 15. What are the effects of liver diseases on the body?
A) Impaired digestion
B) Accelerated wound healing
C) Improved memory
D) Increased muscle strength
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Vitamin supplements
B) Meditation
C) Liver transplantation
D) Physical therapy
  • 17. What is the structure and function of the mammalian skin?
A) Muscle contraction and relaxation
B) Protection and temperature regulation
C) Vision and hearing
D) Digestion and absorption
  • 18. Where are the hormonal glands located?
A) Pancreas
B) Lungs
C) Stomach
D) Endocrine system
  • 19. What is the effect of over-secretion of hormones?
A) Weakened immune system
B) Increased blood pressure
C) Decreased heart rate
D) Weight loss
  • 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) Communication between the brain and body
B) Production of hormones
C) Oxygen exchange in the lungs
D) Digestion and absorption of nutrients
  • 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) Regulation of hormone production
B) Digestion of food
C) Control of voluntary and involuntary body movements
D) Maintenance of body temperature
  • 24. What is the somatic nervous system responsible for?
A) Controlling involuntary body functions
B) Coordinating voluntary movements
C) Regulating hormone production
D) Maintaining body temperature
  • 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 are found only in the brain and spinal cord.
D) Neurons produce hormones that regulate body functions.
  • 26. How are neurons classified?
A) Based on their ability to produce hormones
B) Based on their location in the body
C) Based on their size
D) Based on the direction of nerve impulse transmission
  • 27. How are nervous impulses transmitted between neurons?
A) Through the bloodstream
B) Through electrical signals
C) Through hormonal secretions
D) Through the digestive system
  • 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) Blinking in response to a bright light
B) Salivating at the smell of food
C) Regulating body temperature through shivering
D) Withdrawing a hand from a hot surface
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