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The cytoskeletal elements are involved in:
(i) Amoeboid movement
(ii) Separation of chromosomes
(iii) Ciliary movement
(iv) Formation of cell plate

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Important Questions on Cell : The Unit of Life

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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The shorter and longer arms of a submetacentric chromosome are referred to as:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
In a chloroplast the highest number of protons are found in:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Microtubules are the constituents of:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The solid linear cytoskeletal elements having a diameter of 7 nm and made up of a single type of monomer are known as:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
A cell organelle containing hydrolytic enzymes is:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Cellular organelles with membranes are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Water-soluble pigments found in plant cell vacuoles are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a 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>An Overview of a 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>An Overview of a Cell
Which of the following are not membrane-bound?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a 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>An Overview of a Cell
Which of the following statements is not correct?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
A protoplast is a cell:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Nuclear envelope is a derivative of:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Balbiani rings are sites of:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
DNA is not present in:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a 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
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The region of chromatin that is stained lightly is