9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Eight

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

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

    Part A

    20 x 1 = 20
  1. The measure the diameter of a thin wire_________is used.

    (a)

    Screw gauge

    (b)

    Water gauge

    (c)

    Meter gauge

    (d)

    Wind gauge

  2. When a body starts from rest, the acceleration of the body after 2second in _____________ of its displacement

    (a)

    Half

    (b)

    Twice

    (c)

    Four times

    (d)

    One fourth

  3. The second law of refraction is stated by ____________________

    (a)

    C.V. Raman

    (b)

    Gallileo

    (c)

    Newton

    (d)

    Snell

  4. Filtration method is effective in separating _______ mixture

    (a)

    Solid-solid

    (b)

    solid-liquid

    (c)

    liquid-liquid

    (d)

    liquid-gas

  5. Our bodies contain radioisotopes such as ___________which continuously emit radiation.

    (a)

    Potassium 40

    (b)

    Iodine 131

    (c)

    Cobalt 60

    (d)

    Carbon 14

  6. Transpiration takes place through _____________.

    (a)

    fruit

    (b)

    seed

    (c)

    flower

    (d)

    stomata

  7. Among the following which one is most biodiverse terrestrial place?

    (a)

    Africa

    (b)

    America

    (c)

    Argentina

    (d)

    Amazon.

  8. Find the correct statement about frog.

    (a)

    Heart is three chambered

    (b)

    Two chambered heart

    (c)

    'S' shaped

    (d)

    Heart is four chambered

  9. The physician who discovered that scurvy can be cured by ingestion of citrus fruits is  ______________

    (a)

    James Lind

    (b)

    Louis Pasteur

    (c)

    Charles Darwin

    (d)

    Isaac Newton

  10. Lipases are enzymes which breaks down __________.

    (a)

    Proteins

    (b)

    Fats

    (c)

    Carbohydrates

    (d)

    Food

  11. If in the circuit, power dissipation is 150 W, then R - is___________

    (a)

    2\(\Omega \)

    (b)

    6\(\Omega \)

    (c)

    5\(\Omega \)

    (d)

    4\(\Omega \)

  12. If Dobereiner is related with 'law of triads', then Newlands is related with
     

    (a)

    Modern periodic law

    (b)

    Hund's rule

    (c)

    Law of octaves

    (d)

    Pauli's Exclusion principle

  13. Which of the following are the is a weak bases?

    (a)

    NH4OH & NaOH

    (b)

    Ca(OH)2& KOH

    (c)

    NH4OH & Ca(OH)2

    (d)

    NaOH & KOH

  14. Tendon connects

    (a)

    cartilage with muscles

    (b)

    bone with muscles

    (c)

    ligament with muscles

    (d)

    bone with bone

  15. Heavy trucks are fitted with six to eight wheels, As area increases, Pressure will ___________.

    (a)

    decrease

    (b)

    increase

    (c)

    remains the same

  16. The carbon atoms in fullerene are arranged in mixed

    (a)

    Tetragon and Pentagon

    (b)

    Pentagon and Hexagon

    (c)

    Hexagon and Heptagon

    (d)

    Heptagon and Octagon

  17. Hydrocarbons on burning in the air give CO2 and _____________.

    (a)

    Water and heat

    (b)

    CO and Heat

    (c)

    Water and CO

    (d)

    Water and Sulphur dioxide

  18. Identify the incorrect statement with respect to adaptations of earthworm.

    (a)

    Earthworm has a stream lined body with no antennae or fins.

    (b)

    Each segment of earthworm has setae.

    (c)

    Many earthworms become inactive in a process called hibernation, during winter season.

    (d)

    Earthworms remain in its burrow during day time, to avoid sunlight.

  19. The quality and taste of honey depends upon the flower visited by _____________.

    (a)

    bees

    (b)

    flies

    (c)

    farmer

    (d)

    queen bee

  20. Which of the following micro organism helps in fermentation?

    (a)

    Yeast

    (b)

    Mould

    (c)

    Mushroom

    (d)

    Rhizopus

*****************************************

Reviews & Comments about 9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Eight

Write your Comment