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