Welcome to your Ncert - class 9- science-Chapter 5 – The Fundamental Unit of Life
Which of the following is not true about meiosis?
Which part of the cell helps the transfer of material from the nucleus to the cytoplasm?
Movement of ions or molecules against electrochemical gradient is called
In a plant cell, cytokinesis occurs by
Geeta was asked to prepare a temporary mount of onion peel and list the steps. While writing, she wrote the following steps, which may not be in proper sequence. The correct sequence would be
Water molecules move from their ______ concentration to their ______ concentration during osmosis.
Name one organelle present in a plant, that can make some of its proteins.
Identifying feature(s) of onion cell under microscope are___________.
The type of cell division that is essential for reproduction is _______.
What is membrane biogenesis?
Match column I with column II and select the correct answer using the codes given below:
Statement I : All prokaryotes have a cell wall, eukaryotes do not.
The smallest cell is a _____________ measured between 0.1 to 0.5 micrometre in size.
If the mother cell cell has 24 chromosomes, the 2 daughter cells formed after mitosis will have ______ chromosomes.
Root hairs absorb water from soil through_______________
Name two organelles having their own genetic component.
How do substances like carbon dioxide (CO2 ) and water (H2O) move in and out of the cell?
Match the following correctly.
Which component of a plant cell gives it rigidity and shape?
The fact that nucleus possessed the ability to control phenotype was first determined by
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