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In plant cell cytoplasm is surrounded by both cell wall and cell membrane. The specificity of transport of substances is mostly across the cell membrane, because

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Important Questions on Cell : The Unit of Life

MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following pair of organelles does not contain DNA?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following processes leads to DNA ladder formation?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The _____ cells are loosely packed so that large intercellular spaces are found.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
________ are called the ‘Powerhouses’ of the cell.
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Select the wrong statement.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following is a natural flame retardant?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The peptidoglycans of bacteria consist of
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
_____ is known as the 'Suicide Bag' of a cell.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following organelles contain circular DNA?
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Presence of plastids in Plasmodium suggests:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
In humans, each cell normally contains ______ pairs of chromosomes.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Cellular organelles with membranes are:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
DNA was first isolated, analysed and recognised as a unique macro-molecule by ______ in 1869.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
"All the plants and animals are composed of cells and the cell is the basic unit of life". The given statement is for which of the following theories?
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following is known as the powerhouse of the cell?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
In normal cells, the process of the flow of genetic information from DNA to RNA is called _____.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The entire content of a living cell is known as _____ which includes the cytoplasm and the nucleus.
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
The mitochondrial inner membrane consists of a number of infoldings called cristae. The increased surface area due to cristae helps in:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a 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:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>An Overview of a Cell
Which of the following structure is not found in a prokaryotic cell?