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) Etrophication
B) Eutriphication
C) Eutrophication
D) Eutropication
  • 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) 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) Mortality
B) Competition
C) Light
D) Food
  • 5. One of the following is not an importance of family planning to a nation.
A) Prevention of indiscriminate abortion
B) Promotion of maternal and mother's health
C) Prevention of population explosion
D) Increased risk of STDs
  • 6. The maintenance of a fairly constant internal environment in an organism is known as .........
A) Homeostasis
B) Neutralisation
C) Concentration gradient
D) Osmotic pressure balance
  • 7. One of the following secrets synovial fluid which acts as a shock absorber.
A) Synovial cavity
B) Synovial membrane
C) Synovial fluid
D) Cartilage
  • 8. ------------- joint allows movement in almost all directions
A) Pivot
B) Gliding
C) Ball and socket
D) Hinge
  • 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) Antitoxins
B) Lysin
C) Agglutinins
D) Precipitins
  • 11. What is the main function of the kidney?
A) Production of hormones
B) Regulation of body temperature
C) Digestion of food
D) Filtration of blood
  • 12. Which of the following is a remedy for the effects of kidney diseases?
A) Antibiotics
B) Physical exercise
C) Dialysis
D) Chemotherapy
  • 13. What are the functions of the liver?
A) Detoxification of harmful substances
B) Production of red blood cells
C) Regulation of body temperature
D) Protection of the lungs
  • 14. Which of the following is a disease of the liver?
A) Osteoporosis
B) Pneumonia
C) Malaria
D) Cirrhosis
  • 15. What are the effects of liver diseases on the body?
A) Accelerated wound healing
B) Improved memory
C) Increased muscle strength
D) Impaired digestion
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Vitamin supplements
B) Liver transplantation
C) Physical therapy
D) Meditation
  • 17. What is the structure and function of the mammalian skin?
A) Protection and temperature regulation
B) Vision and hearing
C) Muscle contraction and relaxation
D) Digestion and absorption
  • 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) Weight loss
B) Decreased heart rate
C) Increased blood pressure
D) Weakened immune system
  • 20. What is the effect of under-secretion (deficiency) of hormones?
A) Accelerated wound healing
B) Enhanced muscle strength
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) Alveoli
B) Neurons
C) Nephrons
D) Red blood cells
  • 23. What are the functions of the central nervous system?
A) Digestion of food
B) Maintenance of body temperature
C) Control of voluntary and involuntary body movements
D) Regulation of hormone production
  • 24. What is the somatic nervous system responsible for?
A) Coordinating voluntary movements
B) Controlling involuntary body functions
C) Maintaining body temperature
D) Regulating hormone production
  • 25. What is the structure and function of neurons?
A) Neurons are specialized cells that transmit electrical impulses.
B) Neurons are found only in the brain and spinal cord.
C) Neurons control voluntary muscle movements.
D) Neurons produce hormones that regulate body functions.
  • 26. How are neurons classified?
A) Based on their location in the body
B) Based on the direction of nerve impulse transmission
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 the bloodstream
C) Through the digestive system
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) Regulating hormone production
D) Controlling involuntary body functions
  • 29. Which of the following is an example of a conditional reflex?
A) Withdrawing a hand from a hot surface
B) Regulating body temperature through shivering
C) Blinking in response to a bright light
D) Salivating at the smell of food
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