Science 7 SP (REAL) Living and Nonliving Things: Finals Practice

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  1. What do plant cells have that animal cells do not?
    A) cell membranes and mitochondria
    B) nuclei and membrane-bound organelles
    C) chromosomes and DNA
    D) chloroplasts and cell walls
    D) chloroplasts and cell walls
    (this multiple choice question has been scrambled)
  2. Fungi are organisms that
    A) require light to grow
    B) break down dead matter and absorb useful elements from it
    C) are classified in the plant kingdom
    D) are unicellular
    B) break down dead matter and absorb useful elements from it
    (this multiple choice question has been scrambled)
  3. Non vascular plants do not have
    A) leaves
    B) roots
    C) chlorophyll
    D) transportation tubes
    D) transportation tubes
    (this multiple choice question has been scrambled)
  4. An organ that is not part of the digestive system is the

    A) stomach
    B) small intestine
    C) liver
    D) kidney
    D) kidney
    (this multiple choice question has been scrambled)
  5. A chemical from a gland that affects other body parts is

    A) saliva
    B) a hormone
    C) cytoplasm
    D) stomach acid
    B) a hormone
    (this multiple choice question has been scrambled)
  6. Hereditary information is passed from one generation to the next by

    A) cytoplasm
    B) Punnett squares
    C) traits
    D) chromosomes
    D) chromosomes
    (this multiple choice question has been scrambled)
  7. A section of DNA that contains the blueprint for a single trait is

    A) an organelle
    B) a molecule
    C) a chromosomes
    D) a gene
    D) a gene
    (this multiple choice question has been scrambled)
  8. Humans have 46 chromosomes. How many of a child's chromosomes come from its mother?

    A) 12
    B) 32
    C) 23
    D) 46
    C) 23
    (this multiple choice question has been scrambled)
  9. The two processes that produce variations in living things are

    A) sexual reproduction and mutation
    B) mutation and changes in the environment
    C) asexual reproduction and changes in the environment
    D) sexual and asexual reproduction
    A) sexual reproduction and mutation
    (this multiple choice question has been scrambled)
  10. A species becomes extinct when

    A) changes in the environment force organisms to move to a new location
    B) all the natural enemies of the species have died
    C) predators kill all members of a species in a given area
    D) all members of the species have died
    D) all members of the species have died
    (this multiple choice question has been scrambled)
  11. After a very cold, dry winter, which wolves are most likely to survive and have offspring?

    A) those with dark fur
    B) those with thin fur
    C) those with thick fur
    D) those with white fur
    C) those with thick fur
    (this multiple choice question has been scrambled)
  12. The fossil record shows that

    A) dinosaurs died out because they could not protect themselves from humans
    B) all types of organisms that have ever lived are still alive today
    C) many species of organisms that once lived are now extinct
    D) Earth's climate has been the same for millions of years
    C) many species of organisms that once lived are now extinct
    (this multiple choice question has been scrambled)
  13. One example of variation and natural selection taking place today is

    A) animals becoming extinct because of loss of habitat
    B) strains of bacteria becoming resistant to antibiotics
    C) organisms such as sheep being cloned
    D) corn plants producing better-quality corn
    B) strains of bacteria becoming resistant to antibiotics
    (this multiple choice question has been scrambled)
  14. Which of these is a type of sexual reproduction in plants?

    A) growing a new plant from runners
    B) growing a new plant from a cutting
    C) grafting one plant onto another
    D) growing a new plant from a seed
    D) growing a new plant from a seed
    (this multiple choice question has been scrambled)
  15. In sexual reproduction each new individual develops from

    A) a fertilized egg
    B) spores
    C) buds
    D) a sperm cell
    A) a fertilized egg
    (this multiple choice question has been scrambled)
  16. In the pupa stage of a moth's life cycle, the organism

    A) flies and drinks nectar
    B) eats leaves and grows
    C) lives inside a cocoon changing its shape
    D) lays eggs
    C) lives inside a cocoon changing its shape
    (this multiple choice question has been scrambled)
  17. After mitosis, each daughter cell has ___________ of chromosomes as the parent cell.

    A) the same number
    B) 1/4 the number
    C) 1/2 the number
    D) twice the number
    A) the same number
    (this multiple choice question has been scrambled)
  18. After meiosis, each new cell has _________ of chromosomes as the parent cell.

    A) twice the number
    B) the same number
    C) 1/4 the number
    D) 1/2 the number
    D) 1/2 the number
    (this multiple choice question has been scrambled)
  19. Meiosis in a male results in the formation of

    A) brain cells
    B) liver cells
    C) egg cells
    D) sperm cells
    D) sperm cells
    (this multiple choice question has been scrambled)
  20. Fungi can best be classified as

    A) decomposers
    B) photosynthetic organisms
    C) secondary consumers
    D) producers
    A) decomposers
    (this multiple choice question has been scrambled)
  21. What role do plants play in an ecosystem?

    A) producers
    B) decomposers
    C) primary consumers
    D) secondary consumers
    A) producers
    (this multiple choice question has been scrambled)
  22. endotherm
    warm-blooded animal
  23. Nutrients the body needs for the growth and repair of cells are

    A) vitamins
    B) carbohydrates
    C) proteins
    D) fats
    B) carbohydrates
    (this multiple choice question has been scrambled)
  24. A person who takes in 2,800 calories a day and uses 2,300 calories a day will most likely

    A) lose weight
    B) grow taller
    C) gain weight
    D) lose muscle mass
    C) gain weight
    (this multiple choice question has been scrambled)
  25. Which of the following is not harmful to the development of an unborn child ruing pregnancy?

    A) pizza
    B) alcohol
    C) cocaine
    D) tobacco
    A) pizza
    (this multiple choice question has been scrambled)
  26. The breaking down of food by an organism is called

    A) excretion
    B) digestion
    C) circulation
    D) respiration
    B) digestion - respiration is digestion at a cellular level
    (this multiple choice question has been scrambled)
  27. In an energy pyramid, energy flows

    A) from left to right
    B) from bottom to top
    C) from top to bottom
    D) from right to left
    B) from bottom to top
    (this multiple choice question has been scrambled)
  28. Most of the energy in an energy pyramid is found at the

    A) top level
    B) first level below the top
    C) second level below the top
    D) bottom level
    D) bottom level
    (this multiple choice question has been scrambled)
  29. In the process of photosynthesis, plants use

    A) carbon dioxide and oxygen to make protein
    B) water and oxygen to make sugar and carbon dioxide
    C) water and sugar to make protein
    D) water and carbon dioxide to make sugar and oxygen
    D) water and carbon dioxide to make sugar and oxygen
    (this multiple choice question has been scrambled)
  30. The chemical in green plants that allows them to carry out photosynthesis is

    A) chlorophyll
    B) oxygen
    C) sodium chloride
    D) glucose
    A) chlorophyll
    (this multiple choice question has been scrambled)
  31. An ecosystem is

    A) all the animals living in a particular environment
    B) a community of living things
    C) animals interacting with plants
    D) all the living and nonliving things that interact in an area
    D) all the living and nonliving things that interact in an area
    (this multiple choice question has been scrambled)
  32. In parasitism two organisms live together and

    A) neither organism benefits
    B) one organism benefits while the other is unaffected
    C) both organisms benefit
    D) one organism benefits while the other is harmed
    D) one organism benefits while the other is harmed
    (this multiple choice question has been scrambled)
  33. Which of the following human actions would benefit the surrounding ecosystem?

    A) draining wetlands
    B) carpooling
    C) releasing waste water into a river
    D) urban sprawl
    B) carpooling
    (this multiple choice question has been scrambled)
  34. Acid rain can do all the following except

    A) kill plants and animals in lakes
    B) clean streams
    C) eat away statues and buildings
    D) destroy soil
    B) clean streams
    (this multiple choice question has been scrambled)
  35. Which of these is a renewable resource?

    A) wood
    B) aluminum
    C) soil
    D) oil
    A) wood
    (this multiple choice question has been scrambled)
  36. Particulates pollute the environment by sending into the air

    A) gasoline
    B) carbon dioxide
    C) CFCs
    D) soot
    D) soot
    (this multiple choice question has been scrambled)
  37. Which activity do plant cells perform that animals cells do not perform?

    A) locomotion
    B) photosynthesis
    C) reproduction
    D) respiration
    B) photosynthesis
    (this multiple choice question has been scrambled)
  38. Which cell part is larger in plant cells than in animal cells?

    A) cell membrane
    B) cytoplasm
    C) vacuole
    D) nucleus
    C) vacuole
    (this multiple choice question has been scrambled)
  39. What is the substance that surrounds the nucleus of the cell?
    cytoplasm
Author:
eatenbread
ID:
24320
Card Set:
Science 7 SP (REAL) Living and Nonliving Things: Finals Practice
Updated:
2010-06-21 00:52:23
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Science SP Living Nonliving Things Finals Practice
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Science 7 SP Living and Nonliving Things: Finals Practice
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