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PRETEST_Science_GRADE 7

Quiz by Angelica Bayron

Grade 7
Science
Philippines Curriculum: Grades K-10 (MELC)

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includes Teacher and Student dashboards

Measures 8 skills from
Grade 7
Science
Philippines Curriculum: Grades K-10 (MELC)

S7LT-IIa-1
S7LT-IIb-2
S7LT-IIc-3
S7LT-IIe-5
S7LT-IIg-7
S7LT-IIh-9
S7LT-IIj-12
S7LT-IIh-10

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40 questions
Show answers
  • Q1

    Which of the following BEST describes the function of a microscope?

    It is an optical instrument that can magnify the image of atoms and cells.

    It is a tool that scientists use in conducting experiments.

    It is an instrument that can enlarge the cell.                                            

    It is a laboratory instrument used in studying the specimens of living things.

    60s
    S7LT-IIa-1
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  • Q2

    Who was the scientist who examined bacteria, blood cells, yeasts, and protozoans using the microscope that he invented?

    Galileo Galilei

    Robert Hooke

    Zacharias Janssen 

     Anton van Leeuwenhoek

    60s
    S7LT-IIa-1
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  • Q3

    Which part of the microscope should be manipulated if the Low Power (LPO) needs to be adjusted?

    Question Image

    Light source

    Eyepiece

    Coarse adjustment knob

    Stage

    60s
    S7LT-IIa-1
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  • Q4

    What is the function of a light source in the compound light microscope?

    It enlarges the size of the specimen.

    It provides illumination to the specimen.

    It makes the image of the specimen visible.

    It magnifies the image of the specimen.

    60s
    S7LT-IIa-1
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  • Q5

    Which of the following statement is the correct way of preparing a specimen?     

    Cover the specimen quickly using a coverslip.

    Avoid the contamination ofthe specimen by covering it with a cover slip.

    Position the coverslip at an angle to the slide before covering the entire specimen.

    Lift the coverslip before covering the specimen.

    60s
    S7LT-IIb-2
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  • Q6

    Which part of the microscope contains a magnifying lens where you look through to observe the specimen?

    Question Image

    C

    A

    B

    D

    60s
    S7LT-IIa-1
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  • Q7

    Which part will you adjust while viewing under HPO if the cut-out small letter “e” you are observing is not clear?

    Question Image

    B

    C

    D

    A

    60s
    S7LT-IIb-2
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  • Q8

    If a microscope has a 4x ocular lens and a 10x objective, what is the total magnification of theobject being viewed?

    400x

    14x

    40x

    4x

    60s
    S7LT-IIb-2
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  • Q9

    Which of the following shows the letter “e” as seen under the microscope?

    Answer Image
    Answer Image
    Answer Image
    Answer Image
    60s
    S7LT-IIb-2
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  • Q10

    Why is it necessary for the specimen to be thinly sliced so it can be observed under the microscope?

    The high magnification objective can be used.

    The light could pass through the specimen.

    The image would be bigger.

    The image will be clearer.

    60s
    S7LT-IIb-2
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  • Q11

    Which sequence of biological levels of organization is correctly arranged from most complex to simplest?

    organism-> organ->organ system-> tissue->cell

    organism->organ system ->organ->tissue->cell

    cell->tissue->organ->organ system->organism

    cell->organ->organ system->tissue->organism

    60s
    S7LT-IIc-3
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  • Q12

    Which level of organization in an organism is the basic unit of life?

    organ

    organ system

    cell

    tissue

    60s
    S7LT-IIc-3
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  • Q13

    An organ system of a complex form of organism is made up of different organs that perform a specific function. Which of the following organs DOES NOT match its function?

    Heart Circulation

    Muscle: Support

    Kidney: Excretion

    Lung: Respiration

    60s
    S7LT-IIc-3
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  • Q14

    Which of the following statements correctly describe the organ system of plants?

    Plants have a nervous system that coordinates the functions of other organs.

    A plant’s shoot system is made up of flower, leaf, and stem.

    Plants and animals have the same set of organ systems.

    Plants have flowers that reproduce asexually.

    60s
    S7LT-IIc-3
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  • Q15

    Which of the following examples describes a population?

    Eight dogs and two cats roaming in one of the Barangays in Marikina.

    Six birds spotted this morning nesting on different trees at the Marikina River Park.

    Five Carabaos seen in Marikina City in 2019.

    Five varieties of plants in a rectangular pot were sold yesterday in Imelda's Garden located in Marikina.

    60s
    S7LT-IIc-3
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  • Q16

    Which of the following pairs is NOT correctly matched?

    mitochondria: digestive enzymes                        

    cell membrane: differentially permeable

    chloroplasts: photosynthesis

    ribosomes: protein synthesis

    60s
    S7LT-IIe-5
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  • Q17

    Refer to the Venn diagram.  Which structures are common to both plants and animals?

    Question Image

    Centrioles and Cell Coats                 

    Nucleus and Mitochondrion      

    Chloroplast and Cytoplasm                      

    Cell wall and Chloroplast

    60s
    S7LT-IIe-5
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  • Q18

    Refer to the Venn Diagram. Which parts of the cell are unique to species of plants?

    Question Image

    Nucleus and Mitochondrion

    Chloroplast and Cytoplasm

    Cell wall and Chloroplast                  

    Centrioles and Cell Coats                 

    60s
    S7LT-IIe-5
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  • Q19

    Refer to the diagram. Which part of this cell serves as the brain that controls the other parts of the cell?

    Question Image

    4

    3

    2

    1

    60s
    S7LT-IIe-5
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  • Q20

    Refer to the diagram below. Which part of this cell provides strength and support to the entire cell?

    Question Image

    1

    2

    4

    3

    60s
    S7LT-IIe-5
    Edit
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