Structural Organisation of a Cell
Structural Organisation of a Cell: Overview
This topic covers concepts, such as Plasma Membrane, Permeability of Plasma Membrane, Diffusion of Gases Across Plasma Membrane, Hypertonic Solutions, Hypotonic Solutions, Isotonic Solutions, Osmosis, Exocytosis, Endocytosis, Phagocytosis, Pinocytosis, Cell Wall, Plasmolysis, Deplasmolysis, Cell Organelles, Membrane Biogenesis, Membranous Cell Organelles, Non Membranous Cell Organelles, Nucleus of a Cell, Nuclear Membrane, Nucleolus, Chromatin, Chromosome, Metacentric Chromosome, Sub-Metacentric Chromosome, Acrocentric Chromosome, Telocentric Chromosome, Deoxyribonucleic Acid, Prokaryotic Cell, Eukaryotic Cell, Cytoplasm, Endoplasmic Reticulum, Ribosomes, Golgi Apparatus, Lysosomes, Autolysis, Autophagy, Mitochondria, Plastids, Chloroplasts, Chromoplasts, Leucoplasts, Vacuoles, Centrosomes, Centriole, Microtubules, Animal Cell, Plant Cell, Cell Division, Mitosis & Meiosis etc.
Important Questions on Structural Organisation of a Cell
Identify A and B in the given figure and select the correct option.
Match the columns and identify the correct option.
| Column-I | Column-II |
| a. Nucleoplasm | (i) It serves to separate the chromosomes from the rest of the cell. |
| b. Nucleoid | (ii) The nucleus stores chromatin (DNA plus proteins) in a gel-like substance. |
| c. Nuclear membrane | (iii) Condensed structure of DNA |
| d. Chromatin | (iv) An irregularly-shaped region within the cell of a prokaryote that contains all or most of the genetic material. |
Assertion: Lysosomes are often called as 'suicidal bags' of a cell.
Reason: Lysosomes contain hydrolytic enzymes capable of digesting cellular waste.
When a cell is placed in a strong salt solution. It shrinks, because:
Which of the following is the genetic material
Which of the following is known as the ‘suicide bag’ of the cell?
_____ is also known as the 'suicide bags' of a cell.
Most powerful digestive enzyme occurs in which cell organelle
Who discovered the nucleus in the cell?
Proteins are synthesised by which part in the cell?
Which kind of plastid is more common in flowers and fruits?
Identify the correct statements about chlorophyll.
A. Chlorophyll is highly sensitive to light.
B. There are varieties of Chlorophyll.
C. The formation of Chlorophyll does not depend on the exposure of the plant to light.
D. Nutritional deficiencies of minerals cause loss of chlorophyll.
When the concentration of solutes differs on the two sides of a membrane permeable only to water, then -
In typical cell divisions by mitosis and meiosis, all of the following contributes to genetic variation except :
DNA is found in nucleus of cell and _____
Genetic material is carried out by long chain of molecules made up of
Photosynthesis occurs in which cellular organelles
Which organelles of cell is called powerhouse of cell-
Which of the following statement is correct
All of the following statements about the process of cell divisions are true except one, mark it.
