9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 10

9th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. Rulers, measuring tapes and metre scales are used to measure

    (a)

    Mass

    (b)

    Weight

    (c)

    Time

    (d)

    Length

  2. Light travels________m in one second.

    (a)

    5 x 103

    (b)

    5 x 108

    (c)

    3 x 108

    (d)

    8 x 103

  3. _________ is used as reflectors in torchligh

    (a)

    concave mirror

    (b)

    convex mirror

    (c)

    plane mirror

  4. Virtual and magnified image is formed by________________________mirror

    (a)

    concave

    (b)

    convex

    (c)

    plane

    (d)

    both concave and convex

  5. Atoms of the same element having same atomic number but different Mass number are called _________

    (a)

    Isotopes

    (b)

    Isobars

    (c)

    Isotones

    (d)

    Isotherm

  6. The non-directional movement of a plant part in response to temperature is called ________.

    (a)

    thermotropism

    (b)

    Thermonasty

    (c)

    chemotropism

    (d)

    thigmonasty

  7. Chlorophyll is present in the_____________.

    (a)

    Root

    (b)

    Leaf

    (c)

    Stem

    (d)

    Flower

  8. Identify the phylum which exhibits polymorphism.

    (a)

    Pinnelida

    (b)

    Arthropoda

    (c)

    Protozoa

    (d)

    Porifera

  9. Defect related to high storage of vitamin is __________.

    (a)

    Scurvy

    (b)

    Beriberi

    (c)

    Hyper vitaminosis

    (d)

    Pellagra

  10. Direction: In the following question, a statement of a Assertion is given and a corresponding state of a Reason is given just below it. Of the statements given below, mark the correct answer as:
    Assertion: Haemoglobin contains iron.
    Reason: Iron deficiency leads to anaemia

    (a)

    Assertion and reason are true and the Reason is the correct explanation of Assertion

    (b)

    Assertion and Reason are true but Reason is not the correct explanation of Assertion

    (c)

    Assertion is true but Reason is false

    (d)

    Both Assertion and Reason is false

  11. In current electricity, a positive charge refers to,

    (a)

    presence of electron

    (b)

    presence of proton

    (c)

    absence of electron

    (d)

    absence of proton

  12. Assertion (A): Noble gases are chemically inert in nature.
    Reason (R) : Noble gases have stable electronic structures

    (a)

    Both A & R are right

    (b)

    Both A & R are wrong

    (c)

    A is right R is wrong

    (d)

    A is wrong R is right

  13. Bile helps in the digestion of________

    (a)

    proteins

    (b)

    sugar

    (c)

    fats

    (d)

    carbohydrates

  14. __________is the smallest gland

    (a)

    Pancreas

    (b)

    Sublingual

    (c)

    Parotid 

    (d)

    Submaxillary

  15. Ceres is a _______.

    (a)

    Meteor

    (b)

    Star

    (c)

    Planet

    (d)

    Astroid

  16. In a geostationary orbit, a satellite is at a distance of _______________ from the Earth.

    (a)

    53,880 km

    (b)

    25,880 km

    (c)

    36,000 km

    (d)

    1,12,000 km

  17. Biotic components include _______________.

    (a)

    All living organism

    (b)

    Light, temperature etc.

    (c)

    Water, mineral and gases

    (d)

    Self nourishing green plants

  18. Which one of the following is an Italian species of honey bee?

    (a)

    Apis mellifera

    (b)

    Apis dorsata

    (c)

    Apis florae

    (d)

    Apis cerana

  19. Haryana, Ongole, Kankrej are the cattle breeds favoured by farmers, because they are ____________.

    (a)

    Draught breeds

    (b)

    Dual purpose breeds

    (c)

    Buffalo breeds

    (d)

    Dairy breeds

  20. LINUX is a

    (a)

    Paid Software

    (b)

    Licensed Software

    (c)

    Free and Proprietary software

    (d)

    Free and Open source software

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