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WorksheetsCELL CLASS 8
Total questions: 10
Worksheet time: 2mins
WHAT IS THE NAME OF THE SMALLEST CELL DISCOVERED TILL NOW?
MYCOPLASMA
BACTERIA
VIRUS
WHITE BLOOD CELL
FALSE FEET OF AMOEBA ARE KNOWN AS
(a)
PLASMA MEMBRANE IS MADE UP OF :
LAYER OF LIPIDS AND DNA
LAYER OF LIPIDS AND RNA
LAYER OF LIPIDS AND PROTEIN
LAYER OF LIPIDS AND CARBOHYDRATES
FUNCTIONS OF PLASMA MEMBRANE ARE(SELECT ANY THREE):
PROTECT CELLS AS BARRIER
ACTS AS RECEPTOR OF MESSAGES FROM OTHER CELLS
GIVES SHAPE TO CELL
CONTROLS ENTRY AND EXIT
CONTAINS GENETIC INFORMATION
CHROMATIN MATERIAL IS PRESENT IN (a) OF CELLS.
CHROMATIN MATERIAL IS MADE UP OF (a) AND PROTEIN.
CHROMOSOME CONSISTS OF TWO SIMILAR THREADS ATTACHED TO EACH OTHER AT CENTROMETRE . THE THREAD LIKE STRUCTURES ARE KNOWN AS:
(a)
THE COLOURLESS , DENSE SAP FOUND INSIDE NUCLEUS WHICH CONTAINS CHROMATIN AND NUCLEOPLASM IS CALLED (a) .
THESE CELLS ARE IRREGULAR IN SHAPE:
WBC
PLASMODIUM
AMOEBA
ALL BACTERIAS
THE OUTER COVERING OF PLANT CELLS IS CALLED
CELL MEMBRANE
CELL WALL
PLASMA MEMBRANE
NUCLEOLUS
