The Fundamental Unit of Life
Science, IX, Biology, The Fundamental Units of Life
Questions
Which of the following is the largest plant cell?
- Nerve cell
- Acetabularia
- Fibre
- Pleuro pneumonia
- Ameoba
Which of the following is the correct process involved if a few raisins are soaked in water overnight and they swell?
- Endocytosis
- Diffusion
- Plasmolysis
- Osmosis
- Exocytosis
If a cell is placed in a medium and it gains water, what type of solution is the cell placed in?
- Hypotonic
- Hypertonic
- Isotonic
- Hyposmatic
- Hyperosmatic
Which of the following is the fluid living content between the plasma membrane and the nucleus of a cell?
- Endoplasmic reticulum
- Golgi apparatus
- Vacuoles
- Protoplasm
- Cytoplasm
Which of the following is the liquid part of the cytoplasm other than the organelles?
- Endoplasmic reticulum
- Lysosome
- Cytosol
- Chromoplast
- Leucoplast
_____________________ is the protein synthesising site of the cell.
- Endoplasmic reticulum
- Golgi apparatus
- Lysosome
- Mitochondria
- Cytostome
The function of which of the following organelles includes the storage, modification and packaging of products in vesicles?
- Lysosome
- Ribosome
- Vacuole
- Golgi apparatus
- Endoplasmic reticulum
Which of the following organelles possesses its own DNA and ribosomes?
- Mitochondria
- Endoplasmic reticulum
- Golgi apparatus
- Vacuoles
- Lysosomes
Which of the following statements is correct?
- Fatty acid synthesis takes place in chloroplasts.
- Starch synthesis takes place in cytosol.
- Lysosomes store sugar.
- Ribosomes are small granules that synthesise proteins.
- Mitochondria is the site storing and transporting proteins.
Which of the following is the membrane that surrounds the large vacuoles in the plant cells?
- Cell membrane
- Plasma membrane
- Cell wall
- Leucoplast
- Tonoplast
Which of the following molecules of a cell is/are known as the energy currency of the cell?
- RNA
- DNA
- ATP
- Amino acids
- Nucleoids
Which of the following scientists proposed that all cells arise from all pre-existing cells?
- Robert Hooke
- J.E Purkinje
- Rudolph Carl Virchow
- Robert Brown
- Theodor Schwann
Which of the following is a correct statement about plastids?
- They are the fluid living content between the plasma membrane and the nucleus.
- They are found in plant cells only and have extra nuclear DNA.
- They are the protein synthesising site of the cell.
- They are the site for storing and transporting proteins across the cytoplasm.
- They are the storage units in cells.
Match the columns.
| Column I |
</strong>|<strong> Column II</strong>|
|a. Nucleic acid|1. Own genetic material|
|b. Lysosomes|2. Digestive enzymes|
|c. Chloroplasts|3. DNA|
- a - 1, b - 2, c - 3
- a - 3, b - 2, c - 1
- a - 1, b - 3, c - 2
- a - 2, b - 3, c - 1
- a - 2, b - 1, c - 3
Match the given columns:
| Column I |
</strong>|<strong>Column II</strong>|
|a. Control centre of the cell|1. Lysosomes|
|b. Export firms of the cell|2. Nucleus|
|c. Demolitionsquads/suicide bags of the cell|3. Golgi bodies|
- a - 2, b - 3, c - 1
- a - 2, b - 1, c - 3
- a - 1, b - 3, c - 2
- a - 3, b - 2, c - 1
- a - 1, b - 2, c - 3