AIC SS 2 Biology Revision Test for 3rd Term 2022/23
  • 1. The major zones of the marine habitat include all except.........
A) Supratidal zone
B) Neptunic zone
C) Benthic zone
D) Littoral zone
  • 2. 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
  • 3. 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
  • 4. Selective reabsorption occurs in one of the following.
A) Urethra
B) Distal tubule
C) Henle's loop
D) Bowman's capsule
  • 5. Effects of food shortage on the size of a population include the following except.......
A) Decline in the rate of reproduction
B) Competition
C) Emigration
D) Increased supply of a particular type of food
  • 6. Abiotic factors affecting a population include the following except......
A) Heat
B) Parasites
C) Space
D) Water
  • 7. The following are biotic factors affecting a population except......
A) Light
B) Food
C) Competition
D) Mortality
  • 8. A factor which limits the population growth is called .......
A) Limiting factor
B) Balance in nature
C) Dispersal
D) Environmental resistance
  • 9. One of the following is not an importance of family planning to a nation.
A) Increased risk of STDs
B) Prevention of population explosion
C) Promotion of maternal and mother's health
D) Prevention of indiscriminate abortion
  • 10. The organelle used for osmoregulation in unicellular organisms such as amoeba and paramecium is called ..........
A) Cytoplasm
B) Endoplasmic reticulum
C) Ribosome
D) Contractile vacuole
  • 11. The maintenance of a fairly constant internal environment in an organism is known as .........
A) Neutralisation
B) Homeostasis
C) Concentration gradient
D) Osmotic pressure balance
  • 12. One of the following secrets synovial fluid which acts as a shock absorber.
A) Synovial membrane
B) Synovial fluid
C) Cartilage
D) Synovial cavity
  • 13. ------------- joint allows movement in almost all directions
A) Pivot
B) Hinge
C) Ball and socket
D) Gliding
  • 14. Muscles are attached to bones by means of strong whitish cord called ----------
A) Ligament
B) Tendons
C) Cartilage
D) Tonsil
  • 15. One of the following is not a sucking mouth part of animals exhibiting a sucking mechanism
A) Labella
B) Probosics
C) Scolex
D) Stylet
  • 16. 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
  • 17. The following are the characteristics of leucocytes except -------
A) Colourless
B) Nucleated
C) Amoeboid in shape
D) Concave and circular
  • 18. One of the following is not peculiar to the red blood cell
A) Microscopic
B) Old ones are destroyed in the liver
C) Circular and concave
D) Colourless when seen singly
  • 19. The following are parts of the chewing and biting mouth parts except ---------
A) Mandibles
B) Labrum
C) Probosics
D) Labium
E) Maxillae
  • 20. Pulmonary artery is the blood vessel connected to -------------.
A) Right auricle
B) Left ventricle
C) Left auricle
D) Right ventricle
  • 21. What is the main function of the kidney?
A) Regulation of body temperature
B) Digestion of food
C) Filtration of blood
D) Production of hormones
  • 22. Which of the following is a disease of the kidney?
A) Influenza
B) Asthma
C) Diabetes
D) Arthritis
  • 23. What are the effects of kidney diseases on the body?
A) Enhanced vision
B) Strengthened immune system
C) Increased blood pressure
D) Improved digestion
  • 24. Which of the following is a remedy for the effects of kidney diseases?
A) Physical exercise
B) Chemotherapy
C) Antibiotics
D) Dialysis
  • 25. What are the functions of the liver?
A) Production of red blood cells
B) Protection of the lungs
C) Detoxification of harmful substances
D) Regulation of body temperature
  • 26. Which of the following is a disease of the liver?
A) Pneumonia
B) Cirrhosis
C) Osteoporosis
D) Malaria
  • 27. What are the effects of liver diseases on the body?
A) Impaired digestion
B) Increased muscle strength
C) Accelerated wound healing
D) Improved memory
  • 28. Which of the following is a remedy for the effects of liver diseases?
A) Vitamin supplements
B) Meditation
C) Liver transplantation
D) Physical therapy
  • 29. What is the structure and function of the mammalian skin?
A) Protection and temperature regulation
B) Digestion and absorption
C) Muscle contraction and relaxation
D) Vision and hearing
  • 30. Where are the hormonal glands located?
A) Stomach
B) Lungs
C) Endocrine system
D) Pancreas
  • 31. What is the function of hormones?
A) Strengthening of bones
B) Transmission of nerve impulses
C) Regulation of body functions
D) Production of energy
  • 32. What is the effect of over-secretion of hormones?
A) Weight loss
B) Decreased heart rate
C) Increased blood pressure
D) Weakened immune system
  • 33. What is the effect of under-secretion (deficiency) of hormones?
A) Enhanced muscle strength
B) Accelerated wound healing
C) Improved cognitive function
D) Reduced growth rate
  • 34. Where are plant hormones primarily located?
A) Stem
B) Roots
C) Leaves
D) Flowers
  • 35. What are the functions of plant hormones?
A) Regulation of plant growth and development
B) Reproduction of plants
C) Photosynthesis
D) Formation of seeds
  • 36. What is a modern application of auxin in crop harvesting?
A) Disease prevention
B) Soil fertilization
C) Pest control
D) Weed control
  • 37. Which components make up the central nervous system?
A) Heart and lungs
B) Stomach and intestines
C) Brain and spinal cord
D) Liver and kidneys
  • 38. What is the structure and function of the spinal cord?
A) Digestion and absorption of nutrients
B) Communication between the brain and body
C) Oxygen exchange in the lungs
D) Production of hormones
  • 39. Which of the following is a component of the brain?
A) Red blood cells
B) Nephrons
C) Neurons
D) Alveoli
  • 40. What are the functions of the central nervous system?
A) Control of voluntary and involuntary body movements
B) Regulation of hormone production
C) Digestion of food
D) Maintenance of body temperature
  • 41. What are the differences between hormonal and neuronal coordination?
A) Neuronal coordination involves the release of hormones.
B) Hormonal coordination is slower but more precise than neuronal coordination.
C) Neuronal coordination relies on electrical impulses, while hormonal coordination relies on chemical signals.
D) Hormonal coordination occurs only in plants, while neuronal coordination occurs only in animals.
  • 42. What is the somatic nervous system responsible for?
A) Maintaining body temperature
B) Regulating hormone production
C) Coordinating voluntary movements
D) Controlling involuntary body functions
  • 43. What is the autonomic nervous system primarily involved in?
A) Conscious decision-making
B) Regulating internal body functions
C) Processing sensory information
D) Controlling skeletal muscles
  • 44. What is the structure and function of neurons?
A) Neurons produce hormones that regulate body functions.
B) Neurons control voluntary muscle movements.
C) Neurons are specialized cells that transmit electrical impulses.
D) Neurons are found only in the brain and spinal cord.
  • 45. How are neurons classified?
A) Based on their ability to produce hormones
B) Based on the direction of nerve impulse transmission
C) Based on their size
D) Based on their location in the body
  • 46. How are nervous impulses transmitted between neurons?
A) Through hormonal secretions
B) Through the digestive system
C) Through electrical signals
D) Through the bloodstream
  • 47. What is the pathway and action of a nerve impulse known as?
A) Nervous system loop
B) Neuronal feedback
C) Reflex arc
D) Synaptic transmission
  • 48. How is a conditional reflex characterized?
A) An automatic response to pain or danger
B) A voluntary action performed without conscious thought
C) A reflex that occurs only in the presence of hormones
D) An involuntary response to a specific stimulus that has been learned
  • 49. What is the role of conditional reflexes in behavior?
A) Shaping and modifying learned behaviors
B) Controlling involuntary body functions
C) Coordinating voluntary muscle movements
D) Regulating hormone production
  • 50. Which of the following is an example of a conditional reflex?
A) Salivating at the smell of food
B) Blinking in response to a bright light
C) Withdrawing a hand from a hot surface
D) Regulating body temperature through shivering
Students who took this test also took :

Created with That Quiz — where test making and test taking are made easy for math and other subject areas.