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WorksheetsReview Quiz in Science 7
Total questions: 20
Worksheet time: 7mins
A microscope is an instrument that______________.
a. makes small objects appear larger
b. decreases the size of small objects
c. makes faraway objects look closer
d. increases the size of small objects
Which part of the microscope are objective lenses attached?
a. ocular eyepiece
b. stage
c. Revolving nosepiece
d. base
To obtain total magnification, you should ____ the magnification of the eyepiece to the objective lens power
a. add
b. subtract
c. multiply
d. divide
When looking at letter “e” under the microscope, what is the position of the letter as seen under the microscope?
a. The position stays the same.
b. The “e” is positioned diagonally.
c. The letter “e” appears larger and inverted.
d. The position cannot be identified due to its enlarged magnification.
Which parts you must hold on to when carrying the microscope
a. stage
b. coarse adjustment knob
c. body tube
d. arm and base
Which structure is the simplest level of organization in humans?
a. cell
b. tissue
c. organ
d. organ system
What level of organization is made up of a group of similar cells that perform a specific function?
a. organelle
b. tissue
c. organ
d. cell
A tower of giraffes in the grasslands and open woodlands in East Africa.
This is an example of which level of organization?
a. organism
b. population
c. community
d. ecosystem
Which shows the correct hierarchy of an ecosystem from simple (first) to complex (last)?
a. organism, population, community, ecosystem, biome, biosphere
b. biosphere, community, ecosystem, biome, population, organism
c. ecosystem, biosphere, population, biome, community, organism
d. biosphere, biome, ecosystem, community, population, organism
Which of the following best describes a community?
a. a herd of Tamaraw, all the other animals, the plants of Mindoro grassland
b. all of the Tamaraw in the grassland of Mindoro
c. all of the grassland ecosystem in the Philippines
d. a Tamaraw
Which of the following scientists concluded that cell is the basic unit of plant structures?
a. Rudolf Virchow
b. Robert Hooke
c. Matthias Schleiden
d. Theodor Schwann
It is the site of food production for the plant cell. It converts the energy of the sun into sugar.
a. cytoplasm
b. cell membrane
c. nucleus
d. chloroplast
It is an organelle that helps to break down old or unneeded parts of the cell, and substances that have been brought into the cell from the outside.
a. lysosome
b. ribosome
c. peroxisome
d. mitochondria
An organelle of a eukaryotic cell that directs cell activities and contains genetic information stored in DNA.
a. vacuole
b. ribosome
c. Golgi bodies
d. nucleus
The function of the cell membrane is ________________
a. to give the cell shape and support
b. to control cell division
c. to control what enters and leaves the cell
d. to control activities in the cell
Which of the following statements is NOT part of the cell theory?
a. Cells are the basic unit of structure and function in all living things.
b. Only animal cells are composed of cells.
c. All cells are produced from other cells.
d. ll living things are composed of cells.
What is the purpose of the mitochondria in both plant and animal cells?
a. provides protection
b. packages and transports protein
c. they act as the powerhouse of the cell and releases energy
d. stores water and food and waste
A cell is observed to contain a nucleus, mitochondria and chloroplasts. From this information you can conclude that the cell is _______.
a. a plant cell
b. an animal cell
c. a bacterial cell
d. a prokaryotic cell
Which of the following structure can be found in a plant cell but NOT in animal cell?
a. vacuole
b. nucleus
c. mitochondria
d. chloroplast
Which of the following is a CORRECT list of structures found in both plant AND animal cells?
a. mitochondria, vacuole, nucleus, cell membrane, cytoplasm, cell wall, chloroplasts
b. mitochondria, vacuole, nucleus, cell membrane, cytoplasm
c. mitochondria, vacuole, nucleus, cell membrane, cell wall, chloroplasts
d. mitochondria, vacuole, nucleus, cell membrane, cell wall
