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"Nucleus is Controller of Cell" - Prove this Statement.

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प्रश्न

"Nucleus is the controller of the cell" - prove this statement.
एक पंक्ति में उत्तर
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उत्तर

The nucleus controls all the metabolic activities of the cell. It regulates cell division. Without a nucleus, the cell dies and it cannot divide. Hence the nucleus is the controller of the cell.
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अध्याय 2: The Cell-A Unit of Life - Excercise [पृष्ठ २६]

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फ्रैंक Biology Part 1 [English] Class 9 ICSE
अध्याय 2 The Cell-A Unit of Life
Excercise | Q 12 | पृष्ठ २६

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

State whether the following statement is true (T) or False (F):

Genes are located on a chromosome.


 Fill up the blank with the terms given below

All cells arise from ______ cells


Try to find the names of four cell organells hidden in this maze, (hint: The hidden words can appear horizontally or vertically; forwards or backward or even mixed up). Write them in the lines provided. For example : “NUCLEUS” in the last row, seven backward letters. 

A J F B H E M O E L O U C A V
H V L E U C O P L A S T N O E
C H R O M O P L A S T X T E R
S U E L C U N W P L A S T I D

Fill in the blanks:

Organisms which are made up of a single cell are called ______ organisms.


 Match the name of the organelle given in Column A with its function given in Column B.

Column A (Organelle) Column B (Function)
1 leucoplast a help in cell division
2 nucleus b transport of material
3 ribosomes c making food
4 mitochondria d digesting foreign bodies
5 endoplasmic reticulum e storage of starch and proteins
6 golgi bodies f making the cell turgid
7 chloroplast g making proteins
8 centrosome h controlling all the vital activities of a cell
9 vacuole i releasing energy
10 lysosomes j synthesis of cell wall in a plant cell

Define the term cell? Also, describe types of cells.


What is the function of the following?
Ribosomes


Give one main function of the following:

Chloroplast


Answer the following question.

Who discovered cells, and how?


Answer the following question.

Why is the cell called the structural and functional unit of life?


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