CELL CLASS 8

WHAT IS THE NAME OF THE SMALLEST CELL DISCOVERED TILL NOW?

• MYCOPLASMA

• BACTERIA

• VIRUS

• WHITE BLOOD CELL

FALSE FEET OF AMOEBA ARE KNOWN AS

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 _______ OF CELLS.

CHROMATIN MATERIAL IS MADE UP OF ________ AND PROTEIN.

CHROMOSOME CONSISTS OF TWO SIMILAR THREADS ATTACHED TO EACH OTHER AT CENTROMETRE . THE THREAD LIKE STRUCTURES ARE KNOWN AS:

THE COLOURLESS , DENSE SAP FOUND INSIDE NUCLEUS WHICH CONTAINS CHROMATIN AND NUCLEOPLASM IS CALLED ________.

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