51. Bacterial ribosomes are called
A
Episome
B
Polysomes
C
Mesosomes
D
Centrosome
Answer :
Polysomes
52. The biggest cell is
A
Hen egg
B
Human egg
C
Kidney cell
D
Ostrich egg
Answer :
Ostrich egg
53. Cytoskeleton is made up of:
A
callose deposits
B
cellulosic microfibrils
C
proteinaceous filaments
D
calcium carbonate granules
Answer :
proteinaceous filaments
54. Hereditary characters are due to
A
Chromosomes
B
Gene
C
Blood
D
Placenta
Answer :
Gene
55. Which of the cilia proein is analogous tomyosin of muscles
A
Tublin
B
Dynien
C
Flagellin
D
None of the above
Answer :
Dynien
56.
Which one of the following organelle in the figure correctly matches with its function?
A
Golgi apparatus, protein synthesis
B
Golgi apparatus, formation of glycolipids
C
Rough endoplasmic reticulum, protein synthesis
D
Rough endoplasmic reticulum, formation of glycoproteins
Answer :
Rough endoplasmic reticulum, protein synthesis
57.
Select the alternative giving correct identification and function of the organelle 'A' in the diagram
A
Endoplasmic reticulum-synthesis of lipids
B
Mitochondria-produce cellular energy in the form of ATP
C
Golgi body-provides packaging material
D
Lysosomes - secrete hydrolytic enzymes
Answer :
Mitochondria-produce cellular energy in the form of ATP
58. In mammals, carbohydrates are stored as
A
Glycogen in liver and spleen
B
Lactic acid in muscles
C
Glucose in liver
D
Glycogen in liver and muscles
Answer :
Glycogen in liver and muscles
59. Resolution power is the ability to
A
distinguish two close points
B
distinguish two close objects
C
distinguish amongst organelles
D
magnify image
Answer :
distinguish two close objects
60. Site of Calvin Cycle is
A
Chloroplast
B
Cytoplasm
C
Mitochondria
D
Glyoxisome
Answer :
Chloroplast