Top 50 Most Repeated Biology MCQs 

1) Red color of carrot & tomato is due to:

      ✍ anthocyanin 

2) P.H of human blood is 

      ✍ 7.0 

3) Largest organ inside human body is:

      ✍ Liver 

4) Largest organ of human body is:

      ✍ skin

5) What is celluloses:

      ✍ Carbohydrates

6) The smallest human Body cell :

      ✍ RBCs

7) Total Number of bones in human body :

      ✍ 206

8) Smallest unit of life is:

      ✍ Cell

9) Red blood cells have no:

      ✍ Nucleus

10) Alternative Name of White blood cells :

       ✍ Leucocytes

11) Alternate Name of Red blood cells:

       ✍ Erythrocytes

Top 50 Biology MCQs



12) Life appeared on earth about:

       ✍ 3 billion years ago

13) When earth was formed its atomsphere were composed of:

       ✍ Water vapour, ammonia and Methane

14) Biochemical organ was discovered by:

       ✍ Oparin

15) Group of cells are termed as:

       ✍ Tissue

16) Kingdom fungi are known as:

       ✍ Decomposer

17) Which cell organelles not participate in cell division:

       ✍ Ribosomes

18) Longest bone in human body is:

       ✍ Femur

19) Shortest bone in human body is:

       ✍ Stapes

20) Most important food is derived from:

       ✍ Fruits

21) After human most intelligent mammal is:

       ✍ Dolphins

22) Prokaryot  doesn't possess:

       ✍ Nucleus

23) Eukaryot has a:

       ✍ Nucleus

24) In bacterial cell..............is not found:

       ✍ Golgi apparatus

25) ................Is found in plant cell while in animal cell it is absent.

       ✍ Cell wall

26) Jelly like structure found inside the cell are reffered as.

       ✍ Cytoplasm

27) Which part of cell makes proteins:

       ✍ Ribosomes

28) Most important stimulant in tea leaves:

       ✍ Caffeine

29) First cloned sheep was discovered by:

       ✍ Dolly

30) part of cells process packages & export proteins?.

       ✍ Golgi apparatus

31) Colored part of eye is called

      ✍ Iris

32) Tubes that carry away blood from heart is called:

      ✍ Arteries

33) Tiny bumps on tongue is_____:

       ✍  Taste buds

34) Black part of eye is termed as:

       ✍ Pupil

35) .............Tubes carry blood towards heart

       ✍ Veins

36)  Chromosomes consists of:

      ✍ DNA and Proteins

37) Poison of honey bee is:

      ✍ Acidic

38) Apple is rich in:

      ✍ Iron

39) Longest nerve is

      ✍ Sciatic

40) Evaporation of sweat is:

      ✍ Endothermic reaction

41) Palak leaves are rich of:

       ✍ Iron

42) Loss of memory is due to:

       ✍ Destruction of Cerebrum

43) Average pulse rate is:

       ✍ 72-80

44) Milk sugar is:

       ✍ Lactose

45) Toal cells in human body is:

       ✍ 75 trillion

46) Plants roots absorb water through hair roots by process of:

       ✍ Osmosis

47) Wisdom teeth grows between age of:

       ✍ 17-26 years

48) Saliva helps in digestion of:

       ✍ Starch

49) Average weight of female brains are:

        ✍ 310 grams

50) Function of homoglobin is to transport:

        ✍ Oxygen