Parts of cell : cell organelles

Question 1

plastids

Answer 1

plastids are cell organelles found in plant cell and may contain pigments that provide colour to the cell.

Question 2

chloroplasts

Answer 2

Green coloured plastids are called chloroplast. they manufacture food for green plants by process of photosynthesis.

Question 3

Chromoplasts

Answer 3

The plastids associated with different coloured parts of the plants ( like fruit vegetable flowers ) are called chromoplasts. They are responsible to impart colour (other than green ) to the different parts of the plants.

Question 4

leucoplasts

Answer 4

colourless plastids are called leucoplasts. They provide space to store starch, proteins, oils, etc.

Question 5

Mitochondria

Answer 5

rod-shaped structures in cell which are responsible for cellular respiration and production of energy are called mitochondria.

Question 6

Why is mitochondria is called as powerhouse of cell ?

Answer 6

because mitochondria produces energy to the cell

Question 7

Endoplasmic reticulum ( ER )

Answer 7

Endoplasmic reticulum is a network of cell membranes and provides channels for transport of materials in a cell

Question 8

rough ER vs Smooth ER

Answer 8

Rough ER has a rough appearance as it is studded with ribosomes, on the other hand, Smooth ER has a smooth appearance as it is not studded with ribosomes. Rough ER helps in synthesis of proteins and smooth ER helps in synthesis of fats.

Question 9

Golgi complex

Answer 9

Golgi complex is sac-like structure which helps in processing and packaging of materials produced by the cell.