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