7th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 2

7th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. Which of the following is a derived unit?

    (a)

    mass

    (b)

    time

    (c)

    area

    (d)

    length

  2. __________ is a derived quantity

    (a)

    length

    (b)

    mass

    (c)

    time

    (d)

    area

  3. The slope of a velocity-time graph gives _______

    (a)

    velocity

    (b)

    distance

    (c)

    displacement

    (d)

    acceleration

  4. Which of the following is an example of a metal?

    (a)

    Iron

    (b)

    Oxygen

    (c)

    Helium

    (d)

    Water

  5. _____________ is a substance that is made up of three oxygen atoms chemically combined.

    (a)

    Oxygen

    (b)

    Hydrogen

    (c)

    Ozone

    (d)

    CO2

  6. The basic unit of matter is ________

    (a)

    Element

    (b)

    Atom

    (c)

    Molecule

    (d)

    Electron

  7. One Nanometre is equal to _____________

    (a)

    108 m

    (b)

    10-9 m

    (c)

    10-5 m

    (d)

    109 m

  8. Atomic number is represented by the letter __________

    (a)

    A

    (b)

    N

    (c)

    P

    (d)

    Z

  9. Vegetative propagation by leaves takes place in

    (a)

    Bryophyllum

    (b)

    Fungi

    (c)

    Virus

    (d)

    Bacteria

  10. The first aid is to

    (a)

    To save money

    (b)

    To prevent scars

    (c)

    To prevent the medical care

    (d)

    To relieve the pain

  11. Which software is used to create symbols

    (a)

    Photoshop

    (b)

    Illustrator

    (c)

    Vector Graphics

    (d)

    Photostory

  12. Which of the following temperature conversions is incorrect
     K ( Kelvin) = 0C ( Celsius) + 273.15

    (a)
    0C K
    -273.15 0
    (b)
    0C K
    -123. +150.15
    (c)
    0C K
    + 127. + 400.15
    (d)
    0C K
    + 450 + 733.15
  13. Basis unit of life.

    (a)

    Cell

    (b)

    Protoplasm

    (c)

    Cellulose

    (d)

    Nucleus

  14. The following characteristics are essential for classification.

    (a)

    Similarities

    (b)

    Differences

    (c)

    Both of them

    (d)

    None of them

  15. Tux paint software is used to………

    (a)

    Paint

    (b)

    Program

    (c)

    Scan

    (d)

    PDF

  16. Choose the translucent substance from the following

    (a)

    glass

    (b)

    wood

    (c)

    water

    (d)

    Clouds

  17. Which of the following facts explain how shadows are formed?
    a. Light travels in straight lines
    b. Opaque bodies do not allow light to pass through them
    c. Reflection occurs at a smooth surfaces like mirrors
    d. Lateral inversion happens

    (a)

    both A and B

    (b)

    both A and D

    (c)

    both B and C

    (d)

    only A

  18. With the launch of this satellite, ISRO became capable of launching 4 ton heavy satellites.

    (a)

    GSAT- 13

    (b)

    GSAT- 14

    (c)

    GSAT- 17

    (d)

    Way par GSAT- 19

  19. A good application of plastic is the use of ________

    (a)

    Blood bags

    (b)

    Plastic cutlery

    (c)

    Plastic straws

    (d)

    Plastic carry bag

  20. __________ are that neutralize stomach acid.

    (a)

    Antacid

    (b)

    Antipyretic

    (c)

    Analgesic

    (d)

    Antihistanics

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