Exam_Biology Questions
  • 1. In multicellular organisms, division of labour occurs because
A) tissues work independently
B) cells specialize for different functions
C) every cell performs all functions
D) all cells are the same
  • 2. Which of the following organisms consists of only one cell?
A) Earthworm
B) Amoeba
C) Fish
D) Butterfly
  • 3. The basic structural and functional unit of all living organisms is the
A) cell
B) tissue
C) system
D) organ
  • 4. What is the last step of the scientific method?
A) making observation
B) performing an experiment
C) forming a conclusion
D) analysing data
  • 5. A metabolic waste which is excreted by the body through respiration is
A) nitrogen
B) oxygen
C) hydrogen
D) carbon (iv) oxide
  • 6. The study of fossils and their distribution in time is called
A) physiology
B) morpholy
C) entomolgy
D) paleontology
  • 7. A plant body has
A) symmetrical body plan
B) asymmetrical body plan
C) radial body plan
D) none of the above
  • 8. A life process performed only by plants is
A) photosynthesis
B) reproduction
C) movement
D) respiration
  • 9. Which of the following is a characteristic of a non-living thing?
A) It is able to respire
B) It does not show any growth
C) It needs food to grow
D) It can move
  • 10. The science of life is
A) Ecology
B) Biology
C) Physiology
D) anatomy
  • 11. The irreversible life process by which new protoplasm is added to increase the size and weight of an organism can be termed as
A) growth
B) irritability
C) anabolism
D) development
  • 12. The smallest unit of life is the
A) cell
B) system
C) tissue
D) organ
  • 13. A group of similar cells performing the same function is called a
A) tissue
B) organism
C) organ
D) system
  • 14. The heart and blood vessels together form a
A) organelle
B) organ
C) organ system
D) tissue
  • 15. Which of the following shows the correct order of biological organization?
A) Organ - System - Cell - Organism
B) Cell - Organ - Tissue - System - Organism
C) Tissue - Cell - Organ - System - Organism
D) Cell - Tissue - Organ - System - Organism
  • 16. An organ is made up of
A) systems combined
B) similar tissues
C) many tissues working together
D) one type of cell only
  • 17. The liver in man is an example of a/an
A) system
B) organ
C) cell
D) tissue
  • 18. The combination of several organ systems working together forms a/an
A) organism
B) organ
C) cell
D) tissue
  • 19. An example of a system in the human body is the
A) lung
B) brain
C) heart
D) digestive system
  • 20. In plants, xylem and phloem are examples of
A) cells
B) organs
C) organelles
D) tissues
  • 21. The branch of biology that deals with the naming and grouping of organisms is
A) morphology
B) anatomy
C) taxonomy
D) cytology
  • 22. The modern system of classification was introduced by
A) Robert Hooke
B) Charles Darwin
C) Gregor Mendel
D) Carolus Linnaeus
  • 23. The smallest unit of classification is the
A) family
B) kingdom
C) species
D) genus
  • 24. A group of similar species forms a
A) order
B) class
C) family
D) genus
  • 25. Which of the following is the largest taxonomic group?
A) Family
B) Kingdom
C) Phylum
D) Class
  • 26. In binomial nomenclature, the first name represents the
A) genus
B) species
C) family
D) order
  • 27. The second name in binomial nomenclature represents the
A) species
B) family
C) genus
D) class
  • 28. Homo sapiens is the scientific name of
A) human being
B) chimpanzee
C) orangutang
D) gorilla
  • 29. Which of the following belongs to the kingdom monera?
A) Bacteria
B) Euglena
C) Paramecium
D) Amoeba
  • 30. Which of the following organisms belongs to protista?
A) Fern
B) Mushroom
C) Bacterium
D) Amoeba
  • 31. Fungi are different from plants because they
A) contain chlorophyll
B) do not make their own food
C) have no nucleus
D) lack roots
  • 32. The kingdom plantae consists of
A) multi-cellular autotrophs
B) unicellular organisms
C) multi-cellular heterotrophs
D) decomposers
  • 33. Animals that have backbones are called
A) vertebrates
B) invertebrates
C) mammals
D) arthropods
  • 34. The phylum arthropoda includes
A) earthworms
B) insects
C) fish
D) snails
  • 35. An example of a reptile is the
A) toad
B) frog
C) lizard
D) fish
  • 36. The binomial name of maize is
A) Oryza sativa
B) Musa sapientum
C) Triticum aestivum
D) Zea mays
  • 37. In classification, all vertebrates belong to the phylum
A) chordata
B) arthropoda
C) annelida
D) mollusca
  • 38. Organisms that make their own food are called
A) saprophytes
B) heterotrophs
C) parasites
D) autotrophs
  • 39. The basis of modern classification is
A) colour
B) size
C) external appearance
D) evolutionary relationship
  • 40. Which of these organisms belongs to the kingdom Fungi?
A) Euglena
B) Mucor
C) hydra
D) Volvox
  • 41. Which of the following statements is correct about living things?
A) Most plants respond to stimulus slowly
B) Most plants respond to stimulus slowly
C) Higher animals can reproduce asexually
D) Animals respire using carbon (IV) oxide as raw-material
  • 42. Organ level of organization is found in
A) kidney
B) waterleaf plant
C) spermatozoon
D) virus particle
  • 43. The property of clayey soil that prevents it from supporting thick vegetation is it's
A) inability to retain much water
B) porosity and low water retention ability
C) tendeny of becoming water-logged
D) composition of chemically weathered granite rock
  • 44. Biology is coined from two Greek words 'bio' and 'logos' meaning
A) investigation about science
B) study of science
C) life and study
D) life and challenges
  • 45. The scientist that study plants is called
A) geneticist
B) veterinarian
C) botanist
D) taxonomist
  • 46. The first step to scientific discovery on a particular phenomenon is
A) experimentation
B) theory
C) classification
D) observation
  • 47. The scientist that study animals is called
A) chemist
B) botanist
C) animologist
D) zoologist
  • 48. Classification of living things was first attempted by
A) Felix Dujardin
B) Carolus Linnaeus
C) Robert Hooke
D) Aristotle
  • 49. Which of these is the simplest animal group?
A) Coelenterate
B) Vertebrates
C) Annelids
D) Protozoa
  • 50. Which pair of plant groups is seed producing
A) Mosses and ferns
B) Conifers and flowering plants
C) Mosses and maize
D) Fungi and algae
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