Fundamental unit of life - class 9

Which of the following are examples of prokaryotes?

• Algae

• Fungi

• Bacteria

• Protozoa

The process of plasmolysis in plant cell is defined as:

• Breakdown of plasma membrane in hypotonic solution.

• Shrinkage of cytoplasm in hypertonic medium.

• Shrinkage of Nucleoplasm.

• None of these

Command house of cell is

• Nucleus

• Nucleolus

• Mitochondria

• Chloroplast

The Powerhouse of cell is

• cytoplasm

• nucleus

• chloroplast

• mitochondria

First living cell was observed by

• Antoin von Leeuwenhoek

• Robert Hooke

• Rudolph Virchow

• Robert Brown

The term protoplasm was coined by

• Robert Brown

• M J Schleiden

• Theodore Schwann

• Purkinje

Which of the following statement is not true for plant cells?

• Single large vacuole

• Nucleus is shifted to one side

• Do not divide

• Have cell wall

When we sprinkle salt on salad, water comes out because of

• endosmosis

• Exosmosis

• Diffusion

• None of the above

protein factories of the cell

• Ribosomes

• Lysosomes

• Mitochondria

• chloroplasts

ATP - stands for

• Adenosine tri phosphate

• Adenosine di phosphate

• Adenosine phosphate

• Add triple phosphate