Cell Structure and Functions (Set - III)
Cell Structure and Functions � III
Questions
Which of the following is not a function of nuclear membrane?
- It separates the nucleus from cytoplasm.
- It provides flexibility to the cell.
- It allows the movement of material between the nucleus and cytoplasm.
- It contains the genetic material present inside the chromosomes.
Which of the following terms describes the movement of water from a region of higher concentration to a region of lower concentration through a semipermeable membrane?
- Diffusion
- Osmosis
- Endocytosis
- Plasmolysis
Which of the following cells is not eukaryotic?
- Onion cell
- Cheek cell
- Fungal cell
- Bacterial cell
How many cells are present in prokaryotic organisms?
- Ten cells
- One cell only
- Many cells
- Hundred cells
Which of the following cells in human beings can change its shape?
- White blood cell
- Red blood cell
- Nerve cell
- Blood platelet
A student has observed a cell ‘X’ under a microscope and it appears spherical in shape. Identify the cell and choose the correct option from the alternatives given below.
- Nerve cell
- Cardiac cell
- Blood cell
- Muscle cell
While observing the structure of nucleus under a microscope, Rishi observed a spherical body inside it. What is this spherical body present inside the nucleus called?
- Chromosome
- Gene
- Nucleolus
- Chromatin
Which of the following statements is false about the discovery of cell?
- Cell was discovered by Mendel.
- Cell was discovered in 1665.
- It was discovered under a simple magnifying device.
- The discovered cells were dead cells.
A student was observing the structure of a cell under a microscope and he observed thread-like structures in the nucleus. What are these thread-like structures called?
- Chromatins
- Genes
- Chromosomes
- Nucleoplasms
Which of the following cells is spindle-shaped?
- Muscle cell
- Bacterial cell
- Red blood cell
- Nerve cell
While observing an animal cell under the microscope, Rohan saw a dense round body in the center of the cell. What is this structure called?
- Nucleoplasm
- Nucleus
- Mitochondria
- Centrosome
Which of the following processes is responsible for the gaseous exchange between the cell and its outer environment?
- Diffusion
- Osmosis
- Endocytosis
- Plasmolysis
Which among the following is called the living substance of the cell?
- Protoplasm
- Cell membrane
- Cell wall
- Nucleus
Which of the following cells can be seen with the naked eye?
- Egg cell of a hen
- Cell of an elephant’s brain
- Neurons of a giant squid
- No single cell can be seen with naked eyes
Which of the following terms was assigned by Robert Hooke to the compartments which he saw under a magnifying device?
- Cell
- Tissue
- Organ
- Organ system