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PES BST JS 2 BST (OBJ) 2ND TERM EXAM 2025/2026
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  • 1. The smallest unit that can carry out life processes is the.......
A) Organ
B) Cell
C) Organism
D) Tissue
  • 2. Who discovered the cell for the first time?
A) Louis Pasteur
B) Robert Hooke
C) Isaac Newton
D) Albert Einstein
  • 3. The organelle that controls all the activities within the cell is .......
A) Cell membrane
B) Vacuole
C) Nucleus
D) Cytoplasm
  • 4. Which of the following is found only in plant cells?
A) Cytoplasm
B) Nucleus
C) Ribosome
D) Chloroplast
  • 5. The jelly-like substance inside the cell is called.......
A) Nucleus
B) Cytoplasm
C) Chloroplast
D) Cell wall
  • 6. Which structure controls what enters and leaves the cell?
A) Ribosome
B) Cytoplasm
C) Cell membrane
D) Nucleus
  • 7. The rigid outer covering of a plant cell is called.......
A) Cell membrane
B) Nucleus
C) Cell wall
D) Cytoplasm
  • 8. The green pigment in plants responsible for photosynthesis is called.....
A) Enzyme
B) Chlorophyll
C) Cytoplasm
D) Hemoglobin
  • 9. The vacuole in plant cells helps to......
A) Control movement
B) Store food and water
C) Control breathing
D) Produce energy
  • 10. Which of the following is NOT part of the cell theory?
A) Cells are the basic unit of life
B) Cells come from pre-existing cells
C) All living things are made of cells
D) Cells are made of living things
  • 11. Which of the following is common to both plant and animal cells?
A) Nucleus
B) Large vacuole
C) Chloroplast
D) Cell wall
  • 12. Growth in living organisms is best defined as.............
A) Increase in size and mass
B) Ability to respond to stimuli
C) Ability to reproduce
D) Increase in movement
  • 13. Growth can be measured using the following, EXCEPT..........
A) Height
B) Length
C) Intelligence
D) Weight
  • 14. Which of the following is NOT a stage of human development?
A) Germination
B) Adolescence
C) Infancy
D) Senescence
  • 15. The stage between childhood and adulthood is called...........
A) Senescence
B) Adolescence
C) Puberty
D) Infancy
  • 16. Which factor does NOT affect growth and development?
A) Nutrition
B) Colour of clothes
C) Heredity
D) Environment
  • 17. Microorganisms are organisms that are........ ...
A) Only found in water
B) Very large
C) Invisible to the naked eye
D) Only plants
  • 18. Which of these is NOT a group of microorganisms?
A) Fungi
B) Bacteria
C) Mammals
D) Protozoa
  • 19. Viruses can only reproduce ............
A) In air
B) Inside living cells
C) In water
D) In soil
  • 20. Which of these is a fungal disease?
A) Malaria
B) Measles
C) Ringworm
D) Cholera
  • 21. Which microorganism is used in making bread?
A) Protozoa
B) Yeast
C) Virus
D) Bacteria
  • 22. Microorganisms that cause diseases are called........
A) Saprophytes
B) Pathogens
C) Consumers
D) Producers
  • 23. The five kingdoms include all the following except...... .... .
A) Fungi
B) Monera
C) Protista
D) Virus
  • 24. The simplest organisms are found in which kingdom?
A) Animalia
B) Fungi
C) Plantae
D) Monera
  • 25. Amoeba belongs to which kingdom?
A) Protista
B) Animalia
C) Monera.
D) Plantae
  • 26. Which kingdom contains unicellular organisms without a true nucleus?
A) Plantae
B) Monera
C) Protista
D) Fungi
  • 27. Organisms in the kingdom Protista are mostly...........
A) Multicellular
B) Without cells
C) Non-living
D) Unicellular
  • 28. Which of the following kingdoms contains only multicellular organisms?
A) Animalia
B) Bacteria
C) Protista
D) Monera
  • 29. Which kingdom includes organisms like mushrooms and molds?
A) Plantae
B) Fungi
C) Monera
D) Animalia
  • 30. A triangle is a polygon with how many sides?
A) 2
B) 3
C) 5
D) 4
  • 31. A triangle with two equal sides is called:........
A) Acute triangle
B) Equilateral triangle
C) Isosceles triangle
D) Scalene triangle
  • 32. A triangle with one angle equal to 90° is called.........
A) Right-angled triangle
B) Obtuse triangle
C) Obtuse triangle
D) Equilateral triangle
  • 33. A polygon is a shape that has.............
A) Straight sides
B) Curved sides
C) No sides
D) Circular shape
  • 34. A regular polygon has.............
A) Equal sides and equal angles
B) Unequal sides
C) Only equal angles
D) Only equal sides
  • 35. A pentagon has how many sides?
A) 8
B) 6
C) 5
D) 7
  • 36. Which of the following is NOT a polygon?
A) Triangle
B) Square
C) Circle
D) Pentagon
  • 37. Site preparation in building construction involves.. .............
A) Selling the land
B) Decorating the building
C) Preparing the land before construction
D) Painting the building
  • 38. The marking of foundation lines is done during..........
A) Excavation
B) Clearing
C) Levelling
D) Setting out
  • 39. Which of the following comes after site clearing?
A) Roofing
B) Setting out
C) Plastering
D) Painting
  • 40. Which tool is commonly used for setting out?
A) Tape measure
B) Cutlass
C) Helmet
D) Hammer
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