Class 9 Science Fundamental Unit of Life (cell) Test Paper
Given below are the Fundamental Unit of Life Class 9 Test Paper
(a) Multiple Choice questions
(b) Match the column
(c) Very Short answer questions
(d) Short answer questions
(e) Long answer questions
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Multiple Choice Questions
Cell theory was given by
(a) Schleiden and Schwann
Kitchen of the cell is
(b) endoplasmic reticulum
(d) golgi apparatus
Which of the following are covered by a single membrane?
Chromosomes are made up of
(c) DNA and protein
(d) RNA Solutions
As plants grow older, a strip of secondary meristem replaces the epidermis of the stem. Cells which are cut on the outer side by this meristem differentiate into cork.
What is the function of sieve tube cells and how they are designed to carry out their function? Question 9.
What are semiautonomous organelles? Describe with example? Solutions
Mitochondria and chloroplasts are called semi-autonomous organelles because they have their own DNA, mRNA, TRNA, ribosomes and they replicate by binary fission so they are said to be self governing. Semi-autonomous means they are in a symbiotic relationship with the cell and have evolved to become part of it.
Why plasma membrane is called selectively permeable? Solutions
Plasma membrane allows some material to pass through it while on the same time it blocks other material from entering through it
This is mainly because of the sizes and polarity of molecules.
Long Answer type
Where are protein synthesized in the cell? How are they transported? Question 12
(a)If there were no ysosonm in the cell.
(b)A red blood cell kept in concentrated salt solution. Question 13.
(a)There are no intercellular spaces in epidermer tissue?
(b)Epidermis is thick in desert plants. Question 14.
Draw a labelled diagram of
(b) animal cell Question 15.
differentiate between different types of epithelium tissue in animal? Question 16.
Write the functions of following:
(e)Protective tissue in plants Question 17.
Draw a diagram of the human cell and label the following parts:
(a) Suicidal bags
(b)Protein packaging unit
(c)Brain of the cell
(d)Powerhouse of the cell
(e) Semi-permeable membrane Question 18.
(i)Draw and label the parts of a prokaryotic organism that does not have a well-defined nucleus.
(ii)Describe any three structures of the prokaryotic cell you drew in a) How do the structure differ from those in a eukaryotic cell?
Discuss the contribution of the following scientists to the field of biology:
(d) Rudolf Virchow
(e)Watson and Crick
This Class 9 Science Fundamental Unit of Life Test Paper is prepared keeping in mind the latest syllabus of CBSE . This has been designed in a way to improve the academic performance of the students. If you find mistakes , please do provide the feedback on the mail.
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