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  #131  
Old Saturday, April 06, 2013
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Quote:
Originally Posted by Last Island View Post


A psychrometer is an instrument commonly used in laboratories to measure relative humidity in the air.

An ammeter is a measuring instrument used to measure the electric current in a circuit.



Voltage is electric potential energy per unit charge, measured in joules per coulomb.
psychrometer is used to measure the heat index while hygrometer is used to measure the relative humidity of air in laboratories
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  #132  
Old Saturday, April 06, 2013
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Originally Posted by hira imam rizvi View Post
a) Enzymesare biological catalysts which have multiple function in the body.
b) The difference between electrical charges at the two ends of a conductor is called Potential difference.
c) The branch of zoology which deals with the study of insects is called Entomology
d) Electric current is measured by an Ammeter.
e) Dry ice is solid carbon dioxide.
f) Fuels formed from animal and plant matter that lived thousands of years ago are known as fossil fuels
g) Light with larger wavelength than that of the red colour is called infrared
h) Penicillin was discovered by Alexender Fleming.
i) Medulla Oblongata connects thesmall brainwith the spinal chord.
j) The pH of normal human blood is 7.4.
what is meant by small brain? simply it acts as a bridge between brain and spinal cord
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  #133  
Old Monday, July 29, 2013
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Can you please answer this question, exactly as you would answer it in the exam.
Q. What are latitude and longitude? Why are they drawn?
Q. Explain these statements
a) The work output of a machine is always equal to work input
b)Gravity of all the objects is the same, regardless of their mass at a given point on the earth’s surface.
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  #134  
Old Monday, July 29, 2013
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Quote:
Originally Posted by Roshi khan View Post
psychrometer is used to measure the heat index while hygrometer is used to measure the relative humidity of air in laboratories
Hygrometer is also know as Psychrometer
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  #135  
Old Wednesday, September 25, 2013
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Quote:
Originally Posted by princess royal View Post
where is the list of functions?



(i) less concentrated gradient

(ii) infectious

(iii) lignin

(iv) hemoglobin

(v) fats
fats and lipids both
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  #136  
Old Thursday, August 21, 2014
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Quote:
Originally Posted by Princess Royal View Post
Filament



Neutrons



Alpha
.......................................

Dear ,
The rays which are unaffected by the magnetic field are Gamma Rays


Diseases that spread through air are called _________ disease. Air borne

Arteries become hard due to deposition of _____________________ in them. Fats and Cholesterol
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  #137  
Old Sunday, January 11, 2015
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Please any one suggest me any good book for EDS preparation
Thank You!!
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  #138  
Old Tuesday, February 10, 2015
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Default EDS MCQs 2014

EDS 2014 MCQs

1. The echo of Big Bang can be heard in the form of:
a. cosmic rays
b. gamma rays
c. microwave radio signals (called CMB cosmic microwave background radiation)
d. infrared radiations

2. Omar Khyyam was a:
a. poet
b. mathematician
c. astronomer
d. all of these

3. Who was the early dentist and also inventor of many surgical instruments:
a. Avicenna
b. Al. zahrawi
c. Ibn .ul. haithem
d. Al . Jahiz

4. who was the first Muslim mathematician who used '' Zero '' :
a. Ibn. e. Baitar
b. Ibn. Rushd
c. Ibn. Al. Haitham
d. Al Khwarizmi

5. Why some nebulae shine?
a)because they emit light
b)due to burning process
c)because they contain bright stars
d)because they reflect light

6. A shooting star is
a) sun
b) a comet
c) a meteor
d) an asteroid

7. A 'clinical death' takes place when:
a) there is no pulse
b) there is no heart beat
c)pupils are fixed and dilated and there is no reaction to light
d) all of above

8. What is Hubble Classification :
a. classification of stars
b. classification of planets
c. classification of galaxies
d. classification of earth's zones

9. Sun rises in the east and sets in the west due to the:
a. shape of earth
b. rotation of earth around the sun
c. rotation of earth on its axis
d. movement of the sun

10. What are cyclones?
a. sudden heavy floods
b. no rain for a long period
c. heavy showers
d. violent wind and rain

11. From ecological point of view human beings are taken as:
a. decomposers
b. consumers
c. producers
d. All of these

12. The major cause of land pollution is:
a) pesticides
b) chemical fertilizers
c) insecticides
d) all of these

13. The sharp-bitter taste of unripe fruits is due to high concentration of:
a)phenolic compounds
b)volatile compounds
c)organic acids
d)starch

14. The use of antibiotic is a very effective way of killing disease causing bacteria. Sometime people don't finish all of their pills. this can result in:
a) some bacteria left unkilled
b) production of more bacteria
c) bacteria becoming sensitive to antibiotics
d) bacteria becoming resistant to antibiotics

15. Flesh eaters are called:
a)omnivores
b) carnivores
c) herbivores
d) scavengers

16. Chromosomes are made up of:
a) DNA only
b) DNA & RNA
c) Proteins only
d) DNA, RNA & Proteins(not sure)

17. Plants can be made disease resistant by:
a)heat Treatment
b)hormone treatment
c)colchicine treatment
d)breeding with their wild relatives

18. Important ingredient used in vicks vapor rub is obtained from the plant:
a) Cinamomum camphora
b) cinamomum zelamicum
c) Curaima longa
d) All of these

19. Which of the following is both endocrine and exocrine gland:
a) thyroid
b) pancreas (pancreatic juice and insuline)
c) parathyroid
d) all of these

20. The process by which small amount of impurities are added into a semiconductor is called:
a) addition
b) conduction
c) doping
d) insulating

21. Which of the following is a semiconductor?
a) Mercury
b) magnesium
c) silver
d) none of these

22. Silver fish belongs to:
a) fish
b) insect
c) reptile
d) amphibian

23. Satiety is the condition in which patient lacks desire to:
a. drink
b. eat
c. sleep
d. talk

24. Function of iron in our body is:
a. provide strength
b. oxygen transport
c. help in hydrolysis
d. breakdown fats

25. The non- communicable disease is called:
a. Endemic
b. Acute
c. Chronic
d. Innate

26. Vitamins A,D,E and K are called:
a. water soluble vitamins
b. primary vitamins
c. basic vitamins
d. fat soluble vitamins

27. Which is not a function of HCL in stomach:
a. softening fibrous food elements
b. promoting formation of pepsin
c. killing bacteria ingested with food and drink
d. breakdown proteins into peptones

28. The sum of the kinetic energy and potential energy of an oscillating body is
a. maximum in the beginning
b. constant at all points (energy can neither be created nor destroyed)
c. maximum at midway of the path
d. minimum in the beginning

29. Which term in psychology is generally used to refer to emotional disorders such as, anxiety, depression and phobia:
a. psyches
b. hypnosis
c. neurosis
d. mental illness

30. All Alkali metals react with water to form :
a. oxides
b. peroxides
c. hydroxides (example NaOH sodiam hydro oxide)
d. hyper oxides

31. LASER is an acronym for:
a. light amplification by standard emission of light
b. light absorption stimulated entrance of radiation
c. light amplification by stimulated emission of radiation
d. light absorption by standard emission of radiation

32. If carbon dioxide is passed through lime water for a long time, the cloudy white colour (initially formed) disappears because of the formation of:
a. calcium bicarbonate
b. calcium hydroxide
c. calcium carbonate
d. calcium sulphate

33. Permanent hardness of water is due to the presence of
a. calcium bicarbonate
b. magnesium bicarbonate
c. calcium sulphate
d. sodium bicarbonate

34. Articles made of copper and bronze slowly tarnish in air and turn green , the green colour is due to the formation of :
a. copper oxide
b. copper sulphide
c. copper oxalate
d. all of these

35. Bleaching powder losses its power on keeping for a long time because
a. it changes into calcium hypochlorite
b. it changes into calcium chloride and calcium hydroxide
c. it absorbs moisture
d. it changes into calcium chloride and calcium chlorate

36. When the quantity of charge on each of the two bodies is doubled, the force between them becomes
a. one fourth
b. one half
c. twice
d. four times

37. Light year is related to:
a. time
b. distance
c. energy
d. speed

38. The word ceramic means:
a. hard material (not sure)
b. soft material
c. dry material
d. burnt material

39. The operation of solar cell is based on
a. laser technology
b. photoconduction
c. thermal emission
d. Tyndall effect
not a singal one is correctphotovoltaic effect (is the correct answer)

40. The minimum number of bits required to store hexadecimal number AF is
a. 2
b. 4
c. 8 (4+4 and in binary--> 1010 1111)
d. 16

41. Which of the following minerals is most resistant to chemical weathering
a. olivine
b. quartz
c. hornblende
d. potassium feldspar

42. An igneous rock contains a radioactive isotope that has a half life of 10 million years. Careful analysis shows that only one quarter of the original concentration of the parent isotope is left. How old is this igneous rock?
a) 10 Million years
b) 20 Million years
c) 30 Million years
d) 40 Million years

43. The discipline which deals with the understanding and treatment of mental health is called:
a) applied psychology
b)clinical psychology
c) psychoanalysis
d) psychiatry

44. Overcooking of food should be avoided because overcooking:
a) makes the food difficult to digest
b) makes the food toxic
c) increase the nutritive value of food
d)reduces the nutritive value of food

45. Optical fibre operates on the principle of:
a) Tyndal effect
b) photoelectric effect
c)laser technology
d)total internal reflection

46. The sensation of the skin is perceived by:
a) epidermis
b) the dermis
c) endodermis
d) none of these

47. The loudness of sound depends on its
a) wavelength
b) frequency
c) amplitude
d) all of these

48. A person standing in front of a mirror finds his image smaller than him and erect. This implies that the mirror is:
a) plane
b) concave
c) convex
d) not of good quality

49. The densities of three liquids are D, 2D, 3D. What will be the density of the resulting mixture if equal volumes of the three liquids are mixed?
a) 1.5D
b) 2D
c) 3D
d) 6D

50. Which of the following is a conventional designation of pre-released software?
a) Raw
b)Alpha
c)Omega
d)Beta
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  #139  
Old Wednesday, July 01, 2015
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Default EDS MCQs 2015

Solved MCQs
Everyday Science Paper
2015



1. The slope low lying area of ocean near highland :
Costal Plane

2. Galileo discovered that falling bodies have same:
Acceleration

3. The relative motion between observer and frequency is called: Doppler’s effect

4. The source of energy for brain is :
Glucose

5. The ready source of energy for athletes is:
Carbohydrates

6. Arthritis is:
Inflammation of joints

7. Dengue is caused by:
Aedes (Female Mosquito)

8. The solid and liquid can be separated by the process of:
Filtration

9. The composition of sun is 90 % Hydrogen and Helium and Heavy metals ratio is:
7.8 %

10. Accessory gland close of digestive system close to duodenum is: Pancreas

11. Fat soluble vitamins are:
A,D,E,K

12. Protein content of edible part of egg:
Yolk

13. What is disease:
A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism.

14. How Asthma is provoked:
Allergy

15. Which material conduct heat and electricity:
Solid

16. The fuel used in rockets is:
Liquid oxygen, nitrogen tetroxide, and hydrogen peroxide

17. Chemical name of Table salt is:
Sodium Chloride

18. Milk is pasteurized because :
To kill bacteria

19. Gall bladder is part of which system:
Digestive System

20. Genes in higher organism are located in:
Genome (DNA)

21. Which finest filament grow from skin:
Hair

22. The thinking part of brain is:
Cerebrum

23. The Shape of the Earth is:
Spherical

24. Horticulture is the study of:
Producing, improving, marketing, and using fruits, vegetables, flowers, and ornamental plants

25. Entomology is the study of:
Study of insects

26. Vitamin C prevent which disease:
Scurvy

27. Substance use for coloring dye:
Pigment (Not Sure)

28. Soft drink contains which gas?
CO2

29. Serial pin has how many minimum ports:
9 (Not Sure)

30. Cyclone is?
Circular moving tornado

31. X-rays were discovered in 1895 by :
Wilhelm Conrad Roentgen

32. Jelly fish looks like:
Umbrella.

33. In how much time Earth rotates around its axis:
A Day

34. In how much time Earth complete its round to sun:
A year

35. Which colored eye doesn't have pigment?
Blue

36. A person who write computer program called:
Programmer

P.S: I have tried to write down maximum mcqs, however I was unable to find all of them that came in paper. Others who appeared in exam are requested to please contribute. I have also tried to write down right answers for every statement. Correction would be highly appreciated.
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  #140  
Old Friday, July 03, 2015
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Quote:
Originally Posted by Man Jaanbazam View Post
Solved MCQs
Everyday Science Paper
2015



1. The slope low lying area of ocean near highland :
Costal Plane

2. Galileo discovered that falling bodies have same:
Acceleration

3. The relative motion between observer and frequency is called: Doppler’s effect

4. The source of energy for brain is :
Glucose

5. The ready source of energy for athletes is:
Carbohydrates

6. Arthritis is:
Inflammation of joints

7. Dengue is caused by:
Aedes (Female Mosquito)

8. The solid and liquid can be separated by the process of:
Filtration

9. The composition of sun is 90 % Hydrogen and Helium and Heavy metals ratio is:
7.8 %

10. Accessory gland close of digestive system close to duodenum is: Pancreas

11. Fat soluble vitamins are:
A,D,E,K

12. Protein content of edible part of egg:
Yolk

13. What is disease:
A disease is a particular abnormal condition, a disorder of a structure or function, that affects part or all of an organism.

14. How Asthma is provoked:
Allergy

15. Which material conduct heat and electricity:
Solid

16. The fuel used in rockets is:
Liquid oxygen, nitrogen tetroxide, and hydrogen peroxide

17. Chemical name of Table salt is:
Sodium Chloride

18. Milk is pasteurized because :
To kill bacteria

19. Gall bladder is part of which system:
Digestive System

20. Genes in higher organism are located in:
Genome (DNA)

21. Which finest filament grow from skin:
Hair

22. The thinking part of brain is:
Cerebrum

23. The Shape of the Earth is:
Spherical

24. Horticulture is the study of:
Producing, improving, marketing, and using fruits, vegetables, flowers, and ornamental plants

25. Entomology is the study of:
Study of insects

26. Vitamin C prevent which disease:
Scurvy

27. Substance use for coloring dye:
Pigment (Not Sure)

28. Soft drink contains which gas?
CO2

29. Serial pin has how many minimum ports:
9 (Not Sure)

30. Cyclone is?
Circular moving tornado

31. X-rays were discovered in 1895 by :
Wilhelm Conrad Roentgen

32. Jelly fish looks like:
Umbrella.

33. In how much time Earth rotates around its axis:
A Day

34. In how much time Earth complete its round to sun:
A year

35. Which colored eye doesn't have pigment?
Blue

36. A person who write computer program called:
Programmer

P.S: I have tried to write down maximum mcqs, however I was unable to find all of them that came in paper. Others who appeared in exam are requested to please contribute. I have also tried to write down right answers for every statement. Correction would be highly appreciated.
Kindly,Share remaining Mcq's.
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