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What is plasmodesmata and its function?

Important Questions on Cell : The Unit of Life

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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Proteins P, Q, and R are associated with an intact organellar membrane in a cell. If the intact organelle is treated with a high ionic strength buffer, only protein R remained associated with the membrane fraction. Based on this, one could conclude that:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Match the columns and identify the correct option.
 
  Column I   Column II
A Thylakoids (i) Disc-shaped sacs in Golgi apparatus
B Cristae (ii) Condensed structure of DNA
C Cisternae (iii) Flat membranous sacs in stroma
D Chromatin (iv) Infoldings in mitochondria
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Balbiani rings are sites of:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
The chromosomes in which centromere is situated close to one end are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell

Mitochondria and chloroplast are:

(i) Semi - autonomous organelles

(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery

Which one of the following option is correct?

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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Cellular organelles with membranes are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Select the mismatch.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Which one of the following cell organelles are enclosed by a single membrane?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Water-soluble pigments found in plant cell vacuoles are:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Select the correct matching in the following pairs:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
The region of chromatin that is stained lightly is
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
DNA is not present in:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Nuclear envelope is a derivative of:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
A cell organelle containing hydrolytic enzymes is:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Animal cells after removal of nuclei still contained DNA. The source of this DNA is:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Which of the following statements is incorrect regarding biological membrane?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Which of the following are not membrane-bound?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Microtubules are the constituents of:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>Eukaryotic Cell
Match the following lists.
  List-I   List-II
(A) Algal cell I Protects and gives shape
(B) Pteridophyte cell II Cellulose, galactans, mannans
(C) Calcium pectate III Cellulose, hemicellulose, and pectin
(D) Cell wall IV Holds as glue with neighbouring cells

The correct match is: