Which is the structural and functional unit of all living organisms?
Tissue
Cell
Organ
Molecule
What is the reason for plasmolysis?
Absorption
Endosmosis
Osmosis
Exosmosis
Assertion: Lysosomes are called 'suicide bags'.
Reason: Lysosome can burst and digest its own cell when the cell gets damaged.
Both Assertion and Reason are true.
Assertion is true and the Reason is false.
Assertion is false and the Reason is true.
Both Assertion and Reason are false.
Which of the following is responsible for the passage of molecules to and from the cell?
Plasma membrane
Nucleus
Mitochondria
Lysosome
The movement of water molecules through a selectively permeable membrane is called
Diffusion
Plasmolysis
Assertion: Mitochondria and Plastids have some common characters.
Reason: Both of them are present only in plant cells.
Both Assertion and Reason are true
Assertion is true but the Reason is false
Assertion is false but the Reason is true
Both Assertion and Reason are false
Which of the following is known as the 'powerhouse' of the cell?
Ribosome
Endoplasmic reticulum
What will happen to a cell placed in hypotonic solution?
Shrink
Show Plasmolysis
Swell up
No change in shape or size
Which of these is smallest in size?
Choloroplast
Ribosomes are the center of which of the following processes?
Respiration
Photosynthesis
Protein synthesis
Fat synthesis
