Which of the following are characteristics of prokaryotic cells?
(i) The nucleolus is absent.
(ii) It contains a single chromosome.
(iii) Cell division occurs by mitotic or meiotic cell division.
(iv) The size of the cell is generally large (5 - 100 mm).
Select the correct option:
Important Questions on The Fundamental Unit of Life
(i) They may be external or internal to body of an organism.
(ii) They coordinate to produce the cell
(iii) They are found in all eukaryotic cells.
(iv) They are macroscopic.
Select the correct option:
(i) It helps in the manufacture of protein molecules.
(ii) It helps in the manufacture of enzymes.
(iii) It helps in the manufacture of hormones.
(iv) It helps in the manufacture of starch molecules.
Select the correct option:
(i) is the spontaneous movement of water molecules through a selective permeable membrane (eg, plasma membrane).
(ii) can occur in any medium.
(iii) occurs only in liquid medium.
(iv) does not require semi-permeable membrane.
Select the correct option:
Endocytosis is _____
(i) intake of extra-cellular fluid, droplets and macromolecules.
(ii) intake of extracellular particles.
(iii) Growth of plasma membrane around the particle as pseudopodia.
(iv) a nutritive process.
Select the correct option:
Note:- The options provided were not helping to choose the correct answer hence one of the option is changed.
(i) is without a covering membrane
(ii) represents the whole eukaryotic complex that contains the genetic information
(iii) is covered by a two membrane envelope.
(iv) is a component of the nucleoid.
Select the correct option:
Chloroplasts.
(i) are green plastids.
(ii) are sites of photosynthesis.
(iii) are non-green coloured plastids
(iv) does not contain lamellae.
Select the correct option:
Select the correct option:
(i) Cytoplasm is also called protoplasm.
(ii) Mitochondria is the powerhouse of the cell.
(iii) Golgi apparatus is involved with the formation of lysosomes.
(iv) Ribosomes do not help in protein synthesis.
Select the correct option:
