CSCE TUTORIAL
Class – IX Science
Fundamental Unit of Life
- Name two unicellular organisms.
- Name the smallest known cell.
- Who coined the term ‘Protoplasm’ for the fluid substance of the cell?
- Name two structures that are found in plant cell but not in animal cell.
- Name the process in which diffusion takes place through a semi permeable membrane.
- Name the process by which unicellular freshwater organisms and most plant cell tend to gain water.
- Name the cell organelle which serves as a channel for transport of material between cytoplasm and nucleus.
- What is the function of cellulose?
- Write the full form of DNA.
- Name the energy currency of cell.
- Name the cell organelle called as the power house of a cell.
- Name the organelle that imparts red and yellow colours to the flower.
- Name the type of plastid that helps in the process of photosynthesis.
- Which of the organelle is present only in plants and possess their own genome and ribosomes.
- Which organelle is called the factory of ribosomes?
- Where is stroma is present in the cell?
- Who discovered cell?
- What are all organisms made up of?
- Name the largest animal cell.
- Who discovered bacteria?
- Who discovered nucleus in the cell?
- Who gave the term protoplasm?
- What are the three functional regions of the cell?
- What happens when dried raisins or apricots are put into
(i). Pure water
(ii). Concentrated solution of sugar
(iii). Concentrated solution of salt - How do unicellular fresh water organisms and plant cells gain water?
- What is plasma membrane made up of?
- Name the process through which amoeba acquires its food.
- Name the outer covering of an animal cell.
- Name the outer covering of the plant cell.
- Why are mitochondria called ‘power house of the cell’?