Biology most important facts - जीव विज्ञान के महत्वपूर्ण तथ्य

Biology most important facts - जीव विज्ञान के महत्वपूर्ण तथ्य

1. What is the function of the spleen in mammals?

Ans. As a blood product

2. What was the name of the first satellite launched by India?

Ans. Aryabhata

3. Which gas is used to cook fruits artificially?

Ans. Ethylene

4. Which acid is produced in human stomach?

Ans. Hydrochloric acid

5. Which vitamins are 'sun-shine' vitamins?

Ans. Vitamin d


6. 'Newton second' is the unit of

Ans. Momentum

7. A person of which blood group can receive blood of any blood group?

Ans. AB Blood Group

8. The product of atomic mass of a solid substance and its specific heat.

There is always 6.4. What is this rule called?

Ans. Dulog and petit rules

9. Iodine is given for treatment to people suffering from which disease?

Ans. Goitre disease

10. What is the reflectivity of metal?

Ans. Food

11. Plasmodium is a parasite of which disease?

Ans. Malaria

12. What is obtained from the gradient of time-velocity graph?

Ans. Acceleration

13. In the air bag used to protect the car driver

What are the uses?

Ans. Sodium azide

14. What are hormones chemically?

Ans. Proteins, Steroids and Biogenetic Amines

15. What is used to convert heat into electrical energy?

Ans. Thermocouple

16. What are the dimensions of distortion?

Ans. Distortion

17. Water is absorbed by the root follicles of plants by which process?

Ans. Osmosis

18. Where is 'Satish Dhawan Space Center' located?

Ans. Shri Harikota (Andhra Pradesh)

19. Kiss to convert vegetable oils into saturated fats

Gas is used?

Ans. Hydrogen

20. Which disease is likely to occur due to lack of protein in food?

Ans. Kwashiorker

21. What is the chemical name of bleaching powder?

Ans. Calcium hypochlorite

22. HINI virus is related to which disease?

Ans. Swine flu

23. 1024 bytes are equal to

Ans. 1 kilobyte

24. Naphthoquinone is the name of which chemical?

Ans. Vitamin K

25. What is a very direct light beam?

Ans. Laser

26. What does a liquid petroleum gas contain?

Ans. Butane and Propane

27. What is studied in ornithology?

Ans. Sparrows

28. What is a biological pigment that determines the skin color of humans?

Ans. Melanin

29. What is the chemical name of Vitamin D?

Ans. Calciferol

30. What is the hearing of the ductless glands?

Ans. Hormones

31. Where is the National Chemical Laboratory located in India?

Ans. Pune

32. Which diseases are caused by frequent lack of niacin?

Ans. Palagra

33. Which waves are used in night vision equipment?

Ans. Infrared waves

34. Which of the following bacterial diseases are AIDS, Malaria, Ringworm and Tuberculosis?

Ans. Tuberculosis

35. 'Bar' is the unit of which physical sign?

Ans. Atmospheric pressure

36. What is the essential substance for the growth of the body and formation of new cells?

Ans. Proteins

37. What is the molecular weight of heavy water?

Ans. 20

38. What is a heart disease in which blood supply is insufficient?

Ans. Angina

39. What does the EMF of a cell represent?

Ans. Work

40. Pediatrics refers to the study of related diseases.

Ans. Of infant diseases

1. Which insect spreads kala azar?

Ans. Sand Fly

2. 'Gene' name of factors controlling heredity

Which scientist put it?

Ans. W. L. Johnson

3. Circular holes are made in a square plate of metal.

But what will change in the hole?

Ans. Will grow

4. In the plastics industry, PVC is used for the production of

Ans. Of poly vinyl chloride

5. For which characteristic Transgenic Crop Golden

Born of Golden Rice?

Ans. For vitamin A

6. Football ball bounces up due to which property hitting the ground?

Ans. Due to its elasticity

7. Used in the synthesis of polythene -

Ans. Ethylene


8. What is the science topic of phenomena occurring at low temperatures?

Ans. Hypnotics

9. Which substance is called 'Philosphere vul'?

Ans. Gink oxide

10. Where is INSAT Principal Control facility available?

Ans. Thiruvananthapuram (Kerala)

11. What is another name for RDX?

Ans. Cyclonite

12. Which planet completes one round of the sun in 88 days?

Ans. Wed

13. What is the chemical name 'Hypo'?

Ans. Sodium thiosulfate

14. Which is used as a neutron controller in a nuclear reactor?

Ans. Cadmium

15. What causes stars to flicker?

Ans. Due to gradual occurrence of refraction

16. For what purpose is barium meal used?

Ans. For x-rays of the esophagus

17. What are the two elements that form the largest number of compounds?

Ans. Hydrogen and carbon

18. Approximately what is the amount of U-235 in natural uranium?

Ans. 0.7%

19. Ecology is related to whose study?

Ans. With the correlation of organism and environment

20. Which part of the body is affected by tetanus disease?

Ans. Nervous system and muscles

21. What is the function of 'iodized salt' in human body?

Ans. Controlling the function of thyroid glands

22. Who propounded the principle of the genus Plavmann?

Ans. Barbara mclintock

23. What is the number of chromosomes in each human cell?

Ans. 46

24. Which inert gases are most commonly found in the atmosphere?

Ans. Argon

25. Who controls blood pressure?

Ans. Adrenal

26. As fuel in 'Kalpakkam Atomic Power Plant'

Which is used?

Ans. Thorium

27. What are the mineral components of chlorophyll?

Ans. Magnesium

28. Who discovered that the nucleus is positively charged?

Ans. Lord rutherford

29. Which disease is caused by deficiency of Vitamin B?

Ans. Berry

30. A person's weight is twice his weight in the lift,

So what will be the acceleration of the lift?

Ans. g upward

31. What is dry ice?

Ans. Solid carbon dioxide

32. Whose heart is the unit of?

Ans. Of frequency

33.L P. G. What does gas contain?

Ans. Butane and propane

34. DPT vaccine is applied to prevent which diseases?

Ans. Diphtheria, cooker cough and tetanus

35. Lenz's law is used to know whose direction?

Ans. Of induced electrical force

36. In what form do plants use nitrogen?

Ans. As nitrate

37. What is the inverse of impedance?

Ans. Accessibility

38. What is studied in dendrology?

Ans. Of trees

39. The statement "Fluids pass the same pressure in all directions"

Which rule is related to?

Ans. Pascal's theory

40. Name the isotopes of hydrogen.

Ans. Protium, Deuterium and Tritium

1. Apart from carbohydrates, what is a major source of energy in our diet?

Ans. Fat SSC 2008

2. From whom does humans get iron?

Ans. Spinach RRB 2005

3. Dengue fever is transmitted by which vector?

Ans. Addis aegypti SSC 2015

4. In which iron element is most found?

Ans. Green Vegetables RRB 2003, 2005

5. Typhoid is produced by

Ans. SSC 2008 by Salmonella Typhi

6. Which food source has the best source of iron?

Ans. Apple BSSC 2015


7. What causes 'seasonal fever'?

Ans. Bacteria SSC 2015

8. Are there essential elements in the formation and ablation of bones and bones?

Ans. Calcium ssc 2000

9. Which body part malfunction causes diabetes?

Ans. Pancreas BSSC 2015

10. What is the best source of iodine?

Ans. Algae SSC 2002

11. By what name is 'blood cancer' known?

Ans. Leukemia BSSC 2015

12. What are important sources of iodine?

Ans. Sea weed SSC 1999

13. Which is used for the treatment of cancer?

Ans. Chemotherapy SSC 2015

14. Which mineral is required to control heartbeat?

Ans. Potassium UPPCS 1995

15. What are the factors of measles disease?

Ans. Virus CDS 2015

16. What are important sources of Vitamin-E?

Ans. Wheat-seedling oil UPPCS 2016

17. What do most toothpastes do to prevent tooth decay?

Ans. Fluoride SSC 2015

18. Which vitamins are required in the blood coagulation?

Ans. Vitamin K BPSC 2004

19. Where is the Central Drug Research Institute located?

Ans. Lucknow

20. Blood clots in human body are made up of which vitamin?

Ans. Vitamin K UPPCS 1991

21. ELISA Screening identifies which disease?

Ans. AIDS BSSC 2015

22. What is the chemical name of Vitamin E?

Ans. Tocopherol RRB 2005

23. What are the causes of cholera?

Ans. Bacteria RRB 2009

24. What is the common name for the chemical compound 'cholecalciferol'?

Ans. Vitamin D UPPCS 2015

25. Whose liver oil is abundant in fish?

Ans. Vitamin D SSC 1999

26. Which vitamins are soluble in water?

Ans. Vitamin C BSSC 2015

27. What causes distant eye disease?

Ans. RRB 2009 due to eyeball shortening

28. Which vitamins provide immunity?

Ans. Vitamin A SSC 2015

29. What is the name of the protozoa responsible for dysentery?

Ans. Entamiba RRB 2009

30. Which vitamins are not stored in the body?

Ans. Vitamin D UPPCS 2015

31. Which body part is affected by typhoid?

Ans. Gut RRB 2009

32. What is the best source of Vitamin C?

Ans. Amla UPPCS 1998

33. Where is Central Food Technology Research Institute located?

Ans. RRB 2008 in Mysore

34. Dryness of dryness in humans is due to deficiency of which vitamin?

Ans. Vitamin A BSSC 2015

35. How many calories are obtained by drinking a glass of water?

Ans. Zero UPPCS 2015

36. What is the name of the substance responsible for accelerating the process of chemical reaction in biological systems?

Ans. Enzyme BPSC 2001

37. Which food generates the most energy per gram?

Ans. Fat

38. Who has propounded the word vitamin?

Ans. Funk

39. From which tissues are formed in the body?

Ans. Protein UPPCS 1990

40. What are the causes of Meenamata disease?

Ans. Mercury RAS / RTS 2008

41. Yellow fever is transmitted by whom?

Ans. SSC 2008 by Edis

42. Which vitamins do not merge into fat?

Ans. Vitamin B RRC 2009

43. Which vitamins help to prevent infection in the human body?

Ans. Vitamin A SSC 2015

44. Japanese encephalitis is a factor.

Ans. Virus UPPCS 2008

45. What is the name of the major disease caused by asbestos?

Ans. Emphysema BSSC 2011

46. ​​Who communicates 'Kalazar'?

Ans. Sandy fly SSC 2015

47. Where was the painful bone disease 'itai-itai' first discovered?

Ans. Japan SSC 2011

48. Where do the working people get black lung disease?

Ans. Coal Mine SSC 2011

49. How much daily energy does a hard working man need?

Ans. 4000 Kcal