cell structure and its functions

Nucleus is separated from cytoplasm by

• nuclear membrane

• nucleoplasm

• organs

• cell membrane

The liquid material in the nucleus is

• chromosomes

• bacteria

• nucleoplasm

• nucleolus

Cells which lack nuclear membrane are

• eukaryotic cells

• prokaryotic cells

• single cells

• multi cells

The control centre of all the activities of a cell is

• nucleus

• nucleoplasm

• cytoplasm

• organelles

The coloured organelles which are found in plants only are

• chlorophyll

• plastids

• vacuoles

• WBC

A group of similar cells combine to form

• tissue

• organ

• organisms

• organelles

The organism containing only a single cell is called

• unicellular organism

• multicellular organism

• organelle

• all of these

The empty blank looking structures in the cytoplasm is

• vacuoles

• plastids

• plasma membrane

• nucleus

Choose The Correct Statement With Respect To Unicellular Organisms:

• In unicellular organisms, tissues work in co-ordination to perform different functions.

• Unicellular organisms do not require food.

• Unicellular organisms respire and reproduce.

• All unicellular organisms move by cilia.

Read The Following Terms And Select The Pair That Is Related To Inheritance Of Characters.

• cell wall and cell membrane

• Chromosomes and mitochondria

• Chloroplast and cell membrane

• Chromosome and genes