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) Ultra filteration
C) Selective reabsorption
D) Glomerulus in the bowman's capsule
  • 3. Effects of food shortage on the size of a population include the following except.......
A) Competition
B) Increased supply of a particular type of food
C) Emigration
D) Decline in the rate of reproduction
  • 4. The following are biotic factors affecting a population except......
A) Light
B) Food
C) Competition
D) Mortality
  • 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) Concentration gradient
B) Osmotic pressure balance
C) Neutralisation
D) Homeostasis
  • 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) Hinge
C) Gliding
D) Ball and socket
  • 9. Muscles are attached to bones by means of strong whitish cord called ----------
A) Ligament
B) Tendons
C) Cartilage
D) Tonsil
  • 10. One of the following antibodies cause microorganisms to stick together in the body and reduce their pathogenic actions.
A) Precipitins
B) Antitoxins
C) Agglutinins
D) Lysin
  • 11. What is the main function of the kidney?
A) Digestion of food
B) Regulation of body temperature
C) Production of hormones
D) Filtration of blood
  • 12. Which of the following is a remedy for the effects of kidney diseases?
A) Physical exercise
B) Dialysis
C) Chemotherapy
D) Antibiotics
  • 13. What are the functions of the liver?
A) Regulation of body temperature
B) Protection of the lungs
C) Production of red blood cells
D) Detoxification of harmful substances
  • 14. Which of the following is a disease of the liver?
A) Pneumonia
B) Malaria
C) Osteoporosis
D) Cirrhosis
  • 15. What are the effects of liver diseases on the body?
A) Accelerated wound healing
B) Increased muscle strength
C) Impaired digestion
D) Improved memory
  • 16. Which of the following is a remedy for the effects of liver diseases?
A) Liver transplantation
B) Meditation
C) Physical therapy
D) Vitamin supplements
  • 17. What is the structure and function of the mammalian skin?
A) Protection and temperature regulation
B) Muscle contraction and relaxation
C) Digestion and absorption
D) Vision and hearing
  • 18. Where are the hormonal glands located?
A) Endocrine system
B) Pancreas
C) Lungs
D) Stomach
  • 19. What is the effect of over-secretion of hormones?
A) Weight loss
B) Weakened immune system
C) Increased blood pressure
D) Decreased heart rate
  • 20. What is the effect of under-secretion (deficiency) of hormones?
A) Enhanced muscle strength
B) Reduced growth rate
C) Accelerated wound healing
D) Improved cognitive function
  • 21. What is the structure and function of the spinal cord?
A) Production of hormones
B) Communication between the brain and body
C) Digestion and absorption of nutrients
D) Oxygen exchange in the lungs
  • 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) Control of voluntary and involuntary body movements
B) Regulation of hormone production
C) Maintenance of body temperature
D) Digestion of food
  • 24. What is the somatic nervous system responsible for?
A) Maintaining body temperature
B) Coordinating voluntary movements
C) Controlling involuntary body functions
D) Regulating hormone production
  • 25. What is the structure and function of neurons?
A) Neurons are found only in the brain and spinal cord.
B) Neurons control voluntary muscle movements.
C) Neurons are specialized cells that transmit electrical impulses.
D) Neurons produce hormones that regulate body functions.
  • 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 size
D) Based on their ability to produce hormones
  • 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) Shaping and modifying learned behaviors
B) Regulating hormone production
C) Controlling involuntary body functions
D) Coordinating voluntary muscle movements
  • 29. Which of the following is an example of a conditional reflex?
A) Regulating body temperature through shivering
B) Blinking in response to a bright light
C) Salivating at the smell of food
D) Withdrawing a hand from a hot surface
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