fundamental unit of life

Cell wall of plant cells chiefly composed of

• Phospholipids

• Protein

• Cellulose

• Hemicellulose

Well defined nucleus is absent in

• Animal cells

• Plant cells

• Eukaryotic cells

• Prokaryotic cells

Cell arises from preexisting cell was stated by

• Robert hooke

• Hackle

• Schleiden

• Virchow

Amoeba acquires its food through a process termed as

• Endocytosis

• Exocytosis

• Plasmolysis

• Exocytosis and endocytosis both

protein factories of the cell

• Ribosomes

• Lysosomes

• Mitochondria

• chloroplasts

Which organelle provide turgidity and rigidity to the cell

• Endoplasmic Redticulum

• Centriole

• Mitochondria

• Vacuole

The colourless plastids are known as

• Chromoplasts

• Chloroplasts

• Leucoplasts

• Protoplasts

The barrier between the protoplasm and the outer environment in an animal cell is

• Cell wall

• Plasma membrane

• Nuclear membrane

• Cytoplasm

The phenomenon by which cytoplasm of a cell shrinks from the wall is

• Osmosis

• Plasmolysis

• Diffision

• Glycolysis

What will happen when blood cell is kept in isotonic solution?

• It will burst

• It will shrink

• It will swell

• No change will take place