General Knowledge on Biology / GK quiz question

General Knowledge on Biology / GK quiz question: Questions on General Knowledge is common in any competitive examination like Bank PO, SSC CGL, RAS, CDS, UPSC exams, and all state-related examinations. it’s very important for you to stay updated of General Knowledge topics if you wants to succeed at any of the Government job examinations,

G. K. Quiz on biology

General Knowledge or G.K quiz cover a variety of topics like the Indian Geography , World Geography & History, Everyday Science, Sports, Movies, International Organizations, Awards & Honors, Indian Economy & Politics, The Constitution of India, Current Affairs, etc. In this post we shall discuss about General Knowledge on Biology.

Q1. When atmospheric humidity increases.....

(a) Transpiration is less
(b) There is no transpiration
(c) Transpiration increases
(b) Transpiration neither increases nor decreases

Ans: (c) Transpiration increases

Q2. Water absorbed by plants......

(a) Almost 50% is released as vapour.
(b) More than 90% is released as vapour.
(c) 10% is released as vapour
(d) None of these

Ans: (b) More than 90 % is released as vapour.

Q3. How many litres of fluid are filtered by the two kidneys of am adult human in a day ?

(a) 180 litres (b) 2 litres
(c) 1.5 litres (d) 100 litres

Ans: (a) 180 litres

Q4. Basic unit of the structure of the kidneys is......

(a) Nephron (b) Medulla
(c) Cortex (d) Bowman's capsule

Ans: (a) Nephron

Q5. Which one of the following organs convert ammonia to urea ?

(a) Lung (b) Liver
(c) Intestine (d) Spleen

Ans: (b) Liver.

Q6. The smallest unit of classification....

(a) Genus (b) Family
(c) Species (d) Order

Ans: (c) Species

Q7. Which one of the following represents the non - flowering seeds plant...

(a) Bryophytes (b) Angiosperms
(c) Pteridophyta (d) Gymnosperms

Ans: (d) Gymnosperms

Q8. Anthrax disease of cow, buffalo, etc. is caused by.....

(a) viruses (b) bacteria
(c) protozoa (d) fungi

Ans: (b) bacteria

Q9. AIDS disease of human beings is caused by a kind of....

(a) bacterium (b) virus
(c) protozoa (d) fungi

Ans: (b) virus

Q10. Amoebic dysentery or amoebiasis is caused by a kind of....

(a) bacterium (b) virus
(c) protozoa (d) fungi

Ans: (c) Protozoa

Q11. The cell was invented by....

(a) Robert Brown (b) Robert Hooke
(c) Lamark (d) A.V leeuwenhoek

Ans: (b) Robert Hooke

Q12. The largest cell is......

(a) Hen egg (b) Ostrich egg
(b) Human egg (d) Neuron

Ans: (b) Ostrich egg

Q13. Cell wall is present in ......

(a) Plant cell (b) Bacteria cell
(c) Fungal cell (d) All of these

Ans: (d) Fungal cell

Q14. The different activities of the cell are controlled by....

(a) Nucleus (b) Protoplasm
(c) Cytoplasm (d) Plastids

Ans: (a) Nucleus

Q15. The largest cell in the human body is....

(a) Nerve cell (b) Muscle cell
(c) kidney cell (d)Liver cell

Ans: (a) Nerve cell

Q16. The smallest cell of human body is....

(a) W.B.C (b) R.B.C
(c) Neuron (d) Muscle cell

Ans: (a) W.B.C

Q17. Oxidation of food releases.....

(a) energy (b) protection
(c) roughage (d) disease

Ans: (a) energy

Q18. Deficiency of vitamin A cause

(a) rickets (b) scurvy
(c) anaemia (d) night blindness

Ans: (d) night blindness

Q19. The body does not grow uniformly in the absence of....

(a) Calcium (b) Iron
(c) Phosphorus (c) Iodine

Ans: (d) Iodine

Q20. Proteins are consist of.....

(a) Carbon (b) Oxygen and Nitrogen
(c) Hydrogen (d) All of these

Ans: (d) All of these

Q21. Which of the following fixes free nitrogen ?

(a) Virus (b) Fungi

Q22. Percentage of carbondioxide in the air is...

(a) 0.03 % (b) 2%
(c) 1% (d) 6%

Ans: (a) 0.03%

Q23. Which gas has 20.94 % presence in the atmosphere

(a) Carbon dioxide (b) Hydrogen
(c) Argon (d) Oxygen

Ans: (d) Oxygen

Q24. Which is the main gas of atmosphere ?

(a) Carbon dioxide (b) Hydrogen
(c) Nitrogen (d) Oxygen

Ans: (c) Nitrogen

Q25. Which bacteria live in the root of leguminous plants ?

(a) Rhizobium (b) Fungi
(c) Amoeba (d) Green - Algae

Ans: (a) Rhizobium

Q26. Nutrition in green plants is

(a) autotrophic (b) heterotrophic
(c) holozoic (d) saprophytic

Ans: (a) autotrophic

Q27. Animal nutrition is

(a) autotrophic (b) heterotrophic
(c) holozoic (d) saprophytic

Ans: (b) heterotrophic

Q28. Carbohydrate is a type of

(a) energy giving (b) body forming
(c) defensive component (d) none of these

Ans: (a) energy giving

Q29. Which nutrient regulates physiological process ?

(a) carbohydrate (b) starch
(c) vitamin (d) protein

Ans: (c) vitamin

Q30. Which compound forms antibodies in our body ?

(a) carbohydrate (b) protein
(c) lipid (d) fat

Ans: (b) protein

Q31. Enzymes are made up of

(a) carbohydrate (b) protein
(c) lipid (d) vitamin

Ans: (b) protein

Q32. Energy stored in food released by

(a) plastids (b) Mitochondria
(c) Golgi apparatus (b) Ribosome

Ans: (b) Mitochondria

Q33. Of the following which is a unicellular organism ?

(a) Man (b) Amoeba
(c) Cyanobacteria (d) Eucalyptus

Ans: (b) Amoeba

Q34. Organisms grow and reproduce through

(a) Cell (b) Cell multiplication
(c) Cell division (d) Cell modification

Ans: (c) Cell division

Q35. Who is known as the 'Father of Genetics' ?

(a) William Bateson (b) Mendel
(c) De Vries (d) Correns

Ans: (b) Mendel

We hope you found these General Knowledge and Current Affairs questions useful.Donot forget to share with your friends. Please feel free to point if we have missed any important questions and guide us. Thankyou for reading.

Lets check some Online G.K.