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