Correct the given statements by replacing the underlined words and select the correct option.
(i) The viscous fluid present in the nucleus is called cytoplasm.
(ii) Vacuoles are rod shaped structures which oxidise food to provide energy.
(iii) Mitochondria contain green pigment chlorophyll and take part in photosynthesis.
(iv) Lysosomes take part in synthesis of proteins.
Important Questions on Cell
Refer to the given figure and select the incorrect statements.
(i) The part labelled is found in plant cell only.
(ii) The part labelled is cell wall, which provides rigidity to a plant cell.
(iii) The part labelled is the controlling centre.
(iv)The part labelled gets its shape from part labelled .
Read the given paragraph.
The cytoplasm of the cells of a tomato plant contains organelle which is of several types. Type present in leaves of plant and impart green colour whereas type present in fruits of plant and impart red colour.
Select the option which correctly identifies and .
(i) The nucleoplasm and the cytoplasm together make up the protoplasm.
(ii) Chloroplasts are a type of plastids, which occur in plant cells.
(iii) In many multicellular organisms, all cells have projections called cilia and flagella.
(iv) Cell destruction occurs by centrosomes.
(i) Golgi body
(ii) Nucleus
(iii) Cell wall
(iv) Large vacuole
Which of the following is incorrect about the given figures?
(i) Protoplasm - Purkinje
(ii) Discovery of cell - Leeuwenhoek
(iii) Cell theory - Schwann
(iv) Omnis cellula-e-cellula - Virchow
(v) Nucleolus - Robert Brown
Refer to the given figure and select the correct statement regarding it.
(i) is the site of ribosome synthesis.
(ii) transfers the characteristics of a cell that are formed during cell division.
(iii) is a dense fluid like agranular substance.
(iv) contains DNA while contains RNA.
