AIC SS 2 Biology Exam for 3rd Term 23/24
  • 1. The major zones of the marine habitat include all except.........
A) Neptunic zone
B) Supratidal 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) Eutrophication
C) Eutriphication
D) Eutropication
  • 3. The following are the processes involved in the formation of urine except.......
A) Hormonal secretion
B) Glomerulus in the bowman's capsule
C) Selective reabsorption
D) Ultra filteration
  • 4. Selective reabsorption occurs in one of the following.
A) Urethra
B) Distal tubule
C) Bowman's capsule
D) Henle's loop
  • 5. Effects of food shortage on the size of a population include the following except.......
A) Emigration
B) Decline in the rate of reproduction
C) Competition
D) Increased supply of a particular type of food
  • 6. Abiotic factors affecting a population include the following except......
A) Water
B) Space
C) Parasites
D) Heat
  • 7. The following are biotic factors affecting a population except......
A) Light
B) Food
C) Mortality
D) Competition
  • 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) Prevention of population explosion
C) Increased risk of STDs
D) Promotion of maternal and mother's health
  • 10. The organelle used for osmoregulation in unicellular organisms such as amoeba and paramecium is called ..........
A) Contractile vacuole
B) Cytoplasm
C) Endoplasmic reticulum
D) Ribosome
  • 11. 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
  • 12. The following are the characteristics of leucocytes except -------
A) Concave and circular
B) Colourless
C) Amoeboid in shape
D) Nucleated
  • 13. One of the following is not peculiar to the red blood cell
A) Colourless when seen singly
B) Circular and concave
C) Old ones are destroyed in the liver
D) Microscopic
  • 14. Pulmonary artery is the blood vessel connected to -------------.
A) Left auricle
B) Right auricle
C) Right ventricle
D) Left ventricle
  • 15. What is the main function of the kidney?
A) Digestion of food
B) Regulation of body temperature
C) Filtration of blood
D) Production of hormones
  • 16. Which of the following is a disease of the kidney?
A) Diabetes
B) Asthma
C) Arthritis
D) Influenza
  • 17. What are the effects of kidney diseases on the body?
A) Increased blood pressure
B) Enhanced vision
C) Improved digestion
D) Strengthened immune system
  • 18. Which of the following is a remedy for the effects of kidney diseases?
A) Dialysis
B) Antibiotics
C) Physical exercise
D) Chemotherapy
  • 19. What are the functions of the liver?
A) Protection of the lungs
B) Production of red blood cells
C) Detoxification of harmful substances
D) Regulation of body temperature
  • 20. Which of the following is a disease of the liver?
A) Malaria
B) Cirrhosis
C) Pneumonia
D) Osteoporosis
  • 21. What are the effects of liver diseases on the body?
A) Accelerated wound healing
B) Impaired digestion
C) Increased muscle strength
D) Improved memory
  • 22. Which of the following is a remedy for the effects of liver diseases?
A) Vitamin supplements
B) Meditation
C) Physical therapy
D) Liver transplantation
  • 23. What is the structure and function of the mammalian skin?
A) Vision and hearing
B) Digestion and absorption
C) Muscle contraction and relaxation
D) Protection and temperature regulation
  • 24. Where are the hormonal glands located?
A) Pancreas
B) Lungs
C) Endocrine system
D) Stomach
  • 25. What is the function of hormones?
A) Strengthening of bones
B) Regulation of body functions
C) Production of energy
D) Transmission of nerve impulses
  • 26. What is the effect of over-secretion of hormones?
A) Weight loss
B) Weakened immune system
C) Increased blood pressure
D) Decreased heart rate
  • 27. What is the effect of under-secretion (deficiency) of hormones?
A) Improved cognitive function
B) Enhanced muscle strength
C) Accelerated wound healing
D) Reduced growth rate
  • 28. Which of the following is a type of blood vessel that carries oxygenated blood away from the heart?
A) Vein
B) Pulmonary artery
C) Artery
D) Capillary
  • 29. What is the main difference between an artery and a vein?
A) Veins are smaller than arteries
B) Arteries carry oxygenated blood, while veins carry deoxygenated blood
C) Arteries are smaller than veins
D) Arteries carry deoxygenated blood, while veins carry oxygenated blood
  • 30. Which of the following is a type of circulation that involves blood flowing from the heart to the gills and then to the rest of the body?
A) Open circulation
B) Closed circulation
C) Double circulation
D) Single circulation
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