Science Quiz for 8-9 class

1. Sci-connect Science quiz
comeptetion Stage II

2. Prepared by
Sachin C Narwadiya
Scientist C
Vigyan Prasar
Emails: sachin@vigyanprasar.gov.in
snarwadiya@gmail.com
M:-7827338158

3. ROUND-I
Terms and conditions
• Each team will get two questions with multiple choice.
• If unanswered, question will not PASS ON to next team.
• Each question will have 10 points.
• Answer time is 10 seconds.

4. TEAM- A

5. What is the device name which is used to change the
voltage of Alternating Current (AC)?
a) Meter
b) Transformer
c) Switch
d) Plug

6. TEAM- B

7. What is the alloy of copper and tin is called ?
a) Bronz
b) Steel
c) Brass
d) Duralumin

8. TEAM- C

9. What is the effect on concentration of hydrogen
ion as we move from 0 to 14 on pH scale?
a) Increases
b) Decreases
c) Decrease first than increase
d) Increase first than decrease

10. TEAM- D

11. What is the compound responsible for darkness
of skin?
a) Melanine
b) Transmitters
c) Amides
d) Acids

12. TEAM- E

13. Who is the author of book Liber Abaci?
a) Pascal
b) Gauss
c) Fibonacci
d) Descartes

14. TEAM- A

15. What is the shape of the edges of solids having one line
segment?
a) Polygon
b) Cone
c) Cylinder
d) Polyhedron

16. TEAM- B

17. What is the magnetic strength of a magnet is?
a) Same at every point of it
b) Maximum near the ends and minimum at the centre
c) Maximum at the centre and minimum near the ends
d) Maximum at one pole and minimum at the other

18. TEAM- C

19. In Indus valley civilization (about 3000 B.C), the bricks
used for construction work were having dimensions in
the ratio of………………
a) 4:3:2
b) 4:4:1
c) 4:2:1
d) 1:3:4

20. TEAM- D

21. Which of the following materials take the least time to
biodegrade?
a) Paper
b) Wood
c) Peels of vegetables
d) Clothes made from natural fibres

22. TEAM- E

23. Which is the acid present in Gastric Juice?
a) HCl
b) H2SO4
c) HNO3
d) CH3COOH

24. ROUND II
Terms and conditions
• Each team will get two questions with 10 point to
each question.
•The question will be one word answer type.
• If unanswered, question will PASS ON to next team
carrying 5 bonus point.
• Answer time is 20 seconds.

25. TEAM- A

26. All the things stay still or move with a
steady speed unless a force acts on them.
This property is called ____________
Inertia
Inertia is the resistance of any physical object to any change
in its state of motion

27. TEAM- B

28. Use of liquid with force to lift heavy
Object is called___
Hydraulics
Hydraulics is a technology and applied
science using engineering, chemistry, and other sciences
involving the mechanical properties and use of liquids.

29. TEAM- C

30. When there is a cut in skin bleeding stops
after some time with formation of thick mass,
the thick mass is called_________________
Clot

31. TEAM- D

32. The moving of Ambulance with siren emitting the
sound with increasing pitch and the pitch get lower
down when the ambulance passed. This is due to
_______________effect.
Doppler Effect

33. TEAM- E

34. Which constituent in Urine has
maximum percent?
Water

35. TEAM- A

36. What is the name of the energy from
tides, wind, biofuels?
Renewable Energy

37. TEAM- B

38. As the moon orbits Earth, a changing
amount of its face is bathed in sunlight.
One cycle of phases lasts for how many
days?
29.5 days

39. TEAM- C

40. In the year 1789, Which scientist got the Traite
Elementaire de Chimie (Elementary Treatise on
Chemistry) published?
Lavoisier

41. TEAM- D

42. Urea is also used to make a medicine called Urea
stbamine which is effective in the treatment of
which disease?
Kala Azar

43. TEAM- E

44. Mordents are primarily which chemicals, that are
absorbed by the cloth.
inorganic oxides, or salts

45. ROUND III
Photo Identification Round
Terms and conditions
• Each team will get one question
• A picture will be shown on the screen.
•If identified without any clue then 10 points will
be awarded.
• 2 points for each clue will be deducted for next
four clues.
• If unanswered, question WILL NOT pass on to
next team.

46. TEAM- A

47. 1. She was an Indian
American astronaut.
4. She received the Congressional Space Medal of Honor
2. She was the first
woman of Indian
origin in space
3. She first flew on Space
Shuttle Columbia in
1997
Kalpana Chawla

48. TEAM- B

49. 1. He was born on October 19,
1910 in Lahore.
4. His most celebrated work concerns the radiation of energy from
stars, particularly white dwarf stars, which are the dying fragments
of stars.
2. He was awarded the 1983 Nobel
Prize for Physics for his
mathematical theory of black
holes.
3. He was nephew of CV Raman
S. Chandrashekar

50. TEAM- C

51. 1. He is considered as the
Father of India’s space
programme.
4. He was awarded the Padma
Bhushan in 1966 and the Padma
Vibhushan after his death in 1972
2. He was born on 12th August,
1919 in the city of Ahmedabad
in Gujarat.
He was instrumental in the setting
up of the Indian Space Research
Organization (ISRO).
Vikram Sarabhai

52. TEAM- D

53. 1. Born on January 1, 1894 in
Calcutta(now Kolkata).
4. In 1937, Rabindranath Tagore
dedicated his only book on
science, Visva–Parichay, to him.
2. He was an Indian physicist
specializing in quantum
mechanics.
3. He is most remembered for his
role played in the class
of particles ‘bosons’.
Satyendra Nath Bose

54. TEAM- E

55. 1. He is an Indian space
scientist and the
chairman of the Indian
Space Research
Organisation.
4. He was born in a Lingayat family in Hassan District in 1952, in the
Indian state of Karnataka
2. He is credited with the
development of key
scientific instruments
aboard the Chandrayaan-1
and Mangalyaan space
crafts
3. In 2014, he was awarded the Padma Shri, India's fourth highest
civilian award.
A. S. Kiran Kumar

56. Each team will be asked continuous questions for 1
minute or maximum eight questions.
Answer should be given in True or False.
Each question will carry 5 points.
Terms and conditions
ROUND IV

57. 1. Patella is present in Knee
2. Synovial Fluid is necessary for digestion
3. The sun revolves around the earth.
4. The Gas spreads out to fill any container that
holds it
5. Charles Darwin, British naturalist wrote The Origin
of Species
6. Rose is a flower and its plant has thorns
7. Crest, is called top of an ocean wave
8. Cerebrum, is the largest part of the brain
Round IV-Team A

58. 1. Igneous, sedimentary, metamorphic are types of rocks
2. Cheetah is the fastest-running terrestrial animal
3. In United states the greatest number of tornadoes occur
4. Pacific Ocean is the saltiest natural lake and is also at the
lowest elevation on the face of the earth
5. Linseed oil comes from plant named as Flax
6. Name for steel alloyed with chromium is stainless steel
7. Iso- prefix is often used with scientific terms to indicate
that something is the same, equal or constant
8. The branch of medical science which is concerned with the
study of disease as it affects a community of people is
called Epidemiology
Round IV-Team B

59. 1. The study of how people use tools to perform work and
how people physically relate to their working environment
is called Ergonomics
2. If a metal can be drawn into wires relatively easily it is
called malleable
3. At room temperature, most elements are in solid phase of
matter
4. Oyster Shells primarily composed of calcium carbonate
5. I-131 radioactive element is routinely used in treating
hyperthyroidism, and in reducing thyroid activity
6. Loss of calcium from bones is called as osteoporosis
7. The word atom is from a Greek word meaning visible
8. The only places that dogs have sweat glands are nose and
paws
Round IV-Team C

60. 1. Seawater (i.e. saltwater) freezes at slightly lower
temperature than fresh water
2. Nitrous oxide, commonly called laughing gas, has been a
matter of concern to environmentalists recently because it
is green house gas
3. Pollination by wind is called Anemophily
4. Tyndall Effect, is caused by scattering of light in colloids or
suspensions.
5. Most commercial nuclear power plants worldwide are
cooled by Water
6. The earliest experiments on chromosome theory and
inheritance were developed by Gregor Mendel
7. Saturated hydrocarbons are the simplest of the
hydrocarbon species.
8. Physics is the natural science that involves the study of
Round IV-Team D

61. 1. Dogs are herbivores
2. The fear of spiders is known as ‘arachnophobia’
3. The photosynthesis process occurs in chlorophyll
4. Goiter is associated with iodine deficiency
5. Iodine reacts with starch to give red colour
6. Urea is the waste product of Human body
7. Hypotenuse (the side opposite the right angle) is
equal to the sum of the squares of the other two
sides
8. The majority of hydrocarbons found on Earth
naturally occur in crude oil
Round IV-Team E

62. Which planet have maximum numbers of
satellites?
Jupiter

63. The Jaundice is a disease and which
biochemical compound is responsible for
yellow skin?
Bile

64. THANKING YOU….