Question : Genes, the hereditary units, are located in the
Option 1: nuclear membrane
Option 2: chromosomes
Option 3: lysosomes
Option 4: cell membrane
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Correct Answer: chromosomes
Solution : The correct option is - chromosomes.
Genes, the hereditary units that carry the instructions for building and maintaining an organism, are located in the DNA (deoxyribonucleic acid) of an organism's cells. DNA is a long, double-stranded molecule that contains the genetic information necessary for the development, functioning, and reproduction of living organisms. In eukaryotic organisms DNA is found within the cell nucleus, which is a membrane-bound compartment within the cell. The DNA in the nucleus is organized into structures called chromosomes. Each chromosome contains many genes, and the specific sequence of DNA within each gene determines the genetic code for producing proteins and other molecules necessary for life processes.
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Question : Which component of the cell contains the hereditary material of the cell, the DNA?
Option 1: Cell wall
Option 2: Nucleus
Option 3: Cell membrane
Option 4: Cytoplasm
Question : Which among the following statements is incorrect?
Option 1: The cell wall is present in animals.
Option 2: The cell membrane is also called the plasma membrane.
Option 3: Chromosomes are composed of DNA and protein.
Option 4: Mitochondria is known as the powerhouse of the cell.
Question : What is the jelly-like substance between the nucleus and the cell membrane called?
Option 1: Plasma
Option 2: Cell wall
Option 3: Plasma membrane
Question : Select the correct statement.
Option 1: There are only two basic components of a cell cytoplasm and nucleus.
Option 2: The cytoplasm and nucleus are enclosed within the cell membrane, also called the plasma membrane.
Option 3: The membrane separates the ribosomes and mitochondria of a cell.
Option 4: The plasma membrane does not allow inward movement of the substance.
Question : The cells having nuclear material without a nuclear membrane are termed as _____.
Option 1: cheek cells
Option 2: prokaryotic cells
Option 3: eukaryotic cells
Option 4: onion cells
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