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