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

7th Standard

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Science

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

    Part A

    20 x 1 = 20
  1. SI unit of density is

    (a)

    kg/m2

    (b)

    kg/m3

    (c)

    kg/m

    (d)

    g/m3

  2. __________ is a derived quantity

    (a)

    length

    (b)

    mass

    (c)

    time

    (d)

    area

  3. A particle is moving in a circular path of radius r. The displacement after half a circle would be

    (a)

    Zero

    (b)

    R

    (c)

    2 r

    (d)

    r / 2

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

    (a)

    velocity

    (b)

    distance

    (c)

    displacement

    (d)

    acceleration

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

    (a)

    Oxygen

    (b)

    Hydrogen

    (c)

    Ozone

    (d)

    CO2

  6. ___________ exhibit the properties of metals and non-metals.

    (a)

    Metalloids

    (b)

    Copper

    (c)

    Carbon

    (d)

    Nickle

  7. The basic unit of matter is ________

    (a)

    Element

    (b)

    Atom

    (c)

    Molecule

    (d)

    Electron

  8. Proton was discovered by _______________

    (a)

    Rutherford

    (b)

    Goldstein

    (c)

    Chadwick

    (d)

    J.J. Thomson

  9. Atomic number is the number of __________ is an atom.

    (a)

    electron

    (b)

    proton

    (c)

    neutron

    (d)

    none

  10. In __________ sepal is seen on the fruit after fertilization

    (a)

    Brinjal

    (b)

    Pumpkin

    (c)

    Onion

    (d)

    Garlic

  11. Ravi has sound mind and physically fit body. Which refers to

    (a)

    Hygiene

    (b)

    Health

    (c)

    Cleanliness

    (d)

    wealth

  12. High fever is a symptom of ____________

    (a)

    Rabies

    (b)

    Typhoid

    (c)

    Scurvy

    (d)

    Hepatits

  13. Which software is used to create symbols

    (a)

    Photoshop

    (b)

    Illustrator

    (c)

    Vector Graphics

    (d)

    Photostory

  14. _____________ is a good example for "Visual communication Device".

    (a)

    Computer

    (b)

    Cinema

    (c)

    Balckboard

    (d)

    Audio - visuals

  15. When a woolen yarn is knitted to get a sweater, the change can be classified as _______ .

    (a)

    physical change

    (b)

    chemical change

    (c)

    endothermic change

    (d)

    exothermic change

  16. The following characteristics are essential for classification.

    (a)

    Similarities

    (b)

    Differences

    (c)

    Both of them

    (d)

    None of them

  17. Light travels only in a _______ It is because of this property that are formed.

    (a)

    curved line, shadows

    (b)

    straight line, shadows

    (c)

    straight line, reflection

    (d)

    curved line and then straight line, shadows

  18. 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

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

    (a)

    Blood bags

    (b)

    Plastic cutlery

    (c)

    Plastic straws

    (d)

    Plastic carry bag

  20. Which parts of the goat and sheep is used for manufacturing clothes

    (a)

    Leg

    (b)

    Hand

    (c)

    Hair

    (d)

    Head

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