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