7th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 7

7th Standard

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Science

Time : 00:20:00 Hrs
Total Marks : 20

    Part A

    20 x 1 = 20
  1. Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is

    (a)

    1:2

    (b)

    2:1

    (c)

    4:1

    (d)

    1:4

  2. The amount of space occupied by a three dimensional object is known as its ____________

    (a)

    density

    (b)

    volume

    (c)

    Area

    (d)

    mass

  3. Suppose a boy is enjoying a ride on a marry go round which is moving with a constant speed of 10 m/s. It implies that the boy

    (a)

    at rest

    (b)

    moving with no acceleration

    (c)

    in accelerated motion

    (d)

    moving with uniform velocity

  4. An element which is always lustrous, malleable and ductile

    (a)

    non-meta

    (b)

    metal

    (c)

    metalloid

    (d)

    gas

  5. The atomic number of an atom is ________

    (a)

    Number of neutrons

    (b)

    Number of protons

    (c)

    Total number of protons and neutrons

    (d)

    Number of atoms

  6. Proton was discovered by _______________

    (a)

    Rutherford

    (b)

    Goldstein

    (c)

    Chadwick

    (d)

    J.J. Thomson

  7. Reproductive part of a plant is

    (a)

    Root

    (b)

    Stem

    (c)

    Leaf

    (d)

    Flower

  8. The tobacco chewing causes

    (a)

    Anamia

    (b)

    Periodontitis

    (c)

    Tuberculosis

    (d)

    Pneumonia

  9. Which technology shows the computer-drawn pictures as real picture.

    (a)

    Inkscape

    (b)

    Photo Story

    (c)

    Virtual Reality

    (d)

    Adobe Illustrator

  10. In thermometer when bulb comes in contact with hot object, liquid inside it

    (a)

    expands

    (b)

    contracts

    (c)

    remains same

    (d)

    none of above

  11. Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?

    (a)

    2.5 mA

    (b)

    25 mA

    (c)

    250 mA

    (d)

    2500 mA

  12. ________is an example of a periodic change.

    (a)

    Earthquake.

    (b)

    Formation of rainbow in sky

    (c)

    Occurrence of tides in seas.

    (d)

    Showering of rain

  13. I am the outer most layer of an animal cell. Who am I?

    (a)

    Cell wall

    (b)

    Nucleus

    (c)

    Cell membrane

    (d)

    Nuclear membrane

  14. The following characteristics are essential for classification.

    (a)

    Similarities

    (b)

    Differences

    (c)

    Both of them

    (d)

    None of them

  15. What is the shortcut key for undo option?

    (a)

    Ctrl + Z

    (b)

    Ctrl + R

    (c)

    Ctrl + Y

    (d)

    Ctrl +N

  16. Light that hits a mirror gets_______

    (a)

    Transmitted

    (b)

    Reflected

    (c)

    Absorbed

    (d)

    Refracted

  17. If the Moon is appeaing in the sky today near the star Karthikai , the position of the Mon after 27 days is near the star

    (a)

    Bharani

    (b)

    Karthikai

    (c)

    Rohini

    (d)

    Asvini

  18. A synthetic fibre which has similar properties to wool is ____________

    (a)

    Nylon

    (b)

    Polyester

    (c)

    Acrylic

    (d)

    PVC

  19. Eggs are rich in__________

    (a)

    Protein

    (b)

    Carbo hydrate

    (c)

    Fat

    (d)

    None of them

  20. How many types of page orientation are there in Libre office Writer?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    4

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