Cell mcqs with answers pdf

 IMPORTANT MCQS ON CELL BIOLOGY FOR COMPETITIVE EXAM

1-Schwann was a German zoologist studied many type of _cells:

Answer:ANIMAL

2-Cell wall was discovered by:

Answer: ROBERT HOOKE

3-Cell wall was discovered in:

Answer: 1665

4-Cell wall secreted by _ of the cell:

Answer: PROTOPLASM

5-Cell wall greatly varies in:

Answer: MORPHOLOGY AND CHEMICAL COMPOSITION

6-First wall form in developing cell:

Answer: PRIMARY WALL

7-Which wall is also called as pectcinied wall:

Answer: MIDDLE LAMELAE

8-Which wall is most optically active is:

Answer: SECONDARY WALL

9-The diameter of primary wall is:

Answer: 1-3 MICROMETER

10-Which wall form during Extension of cell:

Answer: PRIMARY WALL

11-Cell wall synthesized by:

Answer: GOLGI BODIES

12-The middle lamellae is _ in thickness:

Answer: 1 MICROMETER

13-Cell wall is _permeable:

Answer: FREELY PERMEABLE

14-The component of cell wall used in explosives is called as:

Answer: NITROCELLULOSE

15-Plant cell wall is made up of:

Answer: CELLULOSE

16-Bacteria cell wall is made up of:

Answer: PEPTIDOGLYCAN

17-Fungi cell wall is made up of:

Answer: CHITIN

18-Cell wall parts location from inside of cell to outside is:

Answer: SECONDARY<PRIMARY<MIDDLE LAMELLAE

19-Lignin is absent in which cell wall:

Answer: PRIMARY WALL

20-The width of plasma membrane is:

Answer: 7nm  

21-_PERCENT carbohydrates present in cell membrane:

Answer: 2-3%

22-In which cell the plasma membrane is outermost wall:

Answer: ANIMAL

23-_AMOUNT of protein is present in cell membrane:

Answer: 60-80%

24-Unit membrane model was proposed by:

Answer: ROBERTSON

25-Fluid model was proposed by:

Answer: Sanger and nicoholson in 1972

26-Which molecule made cell membrane selectivel permeable:

Answer: PROTEIN

27-Lipids in cell membrane allow _molecule to cell:

Answer: NON POLAR

28-The drinking of the cell  is called:

Answer: PINOCYTOSIS

29-Which molecule in cell membrane act as receptor site:

Answer: CARBOHYDRATES

30-The type of protein which move freely throughout the cell membrane is called:

Answer: INTRINSIC PROTEIN

31-Which type of Conjugated molecules act as surface cell makers:

Answer: GLYCOLIPIDS AND GLYCOPROTEINS

32-Outer region of cytoplasm is more _like:

Answer: GEL 

33-NUCLEUS+CYTOPLASM+CELL MEMBRANE IS CALLED:

Answer: ANIMAL CELL

34-Aqueous and soluble part of cytoplasm is called:

Answer: CYTOSOL

35-Cytoplasmic streaming movement of cell organelles is called:

Answer: CYCLOSIS

36-Which organelle help in maintenance of PH:

Answer: CELL MEMBRANE

37-Endoplasmic reticulum present in :

Answer: EUKARYOTIC CYTOPLASM

38-Which type of ER help in protein formation:

Answer: RER

39-Which type of ER help in steroid synthesis:

Answer: SER

40-Which organelle help in detoxification of harmful drugs:

Answer: ENDOPLASMIC RETICULUM

41-Many steroid hormones formation is initiated by:

Answer: ER

42-Lysosomes synthesize by:

Answer: ER

43-Which organelle is abundant secretory cell:

Answer: GOLGI BODIES

44-Surface to cell membrane is provided by:

Answer: GOLGI BODIES

45-In which organelle monosaccarides combine to form polysaccarides:

Answer: GOLGI BODIES

46-Lysosomes is modified by:

Answer: GOLGI BODIES

47-The cisternae of Golgi bodies is:

Answer: DISCONTINOUS

48-The diameter of Ribosomes is:

Answer: 20 NANOMETER

49-Ribosomes discovered by:

Answer: PALADE IN 1955

50-Ribosomes is made up of :

Answer: PROTEINS AND RNA(1:1)

51-Prokaryotes has_type of ribosomes:

Answer:70s

52-Which organelle present in all cells:

Answer: RIBOSOMES

53-The hydrolytic activity of cell is done by:

Answer: LYSOSOMES

54-Lysosomes discovered by:

Answer: DE DUVE IN 1949

55-Golgi bodies discovered in:

Answer: 1898 BY CAMILIO GOLGI

56-Which type of WBCS is most active lysosomes like:

    Answer: NEUTROPHILS

57-The energy currency of cell is:

Answeer: ATP

58-Which organelle produce ATP:

Answer: MITOCHONDRIA

59-Which organelle help in providing strength and support to cell:

Answer: CYTOSKELETON

60- Which micrbodie help in photorespiration:

Answer: PEROXISOMES

61-The boss of the cell is called:

Answer:NUCLEUS

62-Which organelle control all activity of cell:

Answer: NUCLEUS

63-Bacteria has _chromosomes:

Answer: 1

64-The colourful plastid other than organelle:

Answer: chromoplastid

65-Which plastid store food:

Answer: LEUCOPLAST

66-Centriole is absent in:

Answer: HIGHER PLANTS

67-1 MICROTUBULE HAS _TUBULES:

Answer: 3 

68-1 cell has _centrioles:

Answer: 2

69-Digestive vacoule is also known as:

Answer: SECONDARY LYSOSOME

70-Ribsosomes is synthesized by:

Answer: NUCLEOLUS

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