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