MEDIUM
Earn 100

Assertion : Eukaryotic cells have the ability to adopt a variety of shapes and carry out directed movements.
Reason : There are three principle types of protein filaments-actin filament, microtubules and intermediate filaments, which constitute the cytoskeleton.

26.32% studentsanswered this correctly

Important Questions on Cell : The Unit of Life

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