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Give another name for cell coat, whether it is capsid or glycocalyx.

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Important Questions on Cell : The Unit of Life

EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Which of the following processes leads to DNA ladder formation?
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Select the correct matching in the following pairs:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
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>The Cell- An overview
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
The structures that help some bacteria to attach to rocks and/or host tissue are:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Which of the following pair of organelles does not contain DNA?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Which of the following organelles contain circular DNA?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
The region of chromatin that is stained lightly is
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
The motile bacteria are able to move by:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Which of the following statements about inclusion bodies in incorrect?
MEDIUM
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview

Match List - I with List - II.

List-I List-II
(a) Cristae (i) Primary constriction in chromosome
(b) Thylakoids (ii) Disc-shaped sacs in Golgi apparatus
(c) Centromere (iii) Infolding in mitochondria
(d) Cisternae (iv) Flattened membranous sacs in the stroma of plastids

Select the correct answer from the options given below.

EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
A line is drawn from the exterior of an animal cell to the centre of the nucleus, crossing through one mitochondrion. What is the minimum number of membrane bilayers that the line will cross?
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Select the incorrect statement with reference to mitosis:
HARD
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Presence of plastids in Plasmodium suggests:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by:
EASY
Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
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>The Cell- An overview
Microtubules are the constituents of:
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
If the flagellum is provided with two or more rows of lateral appendages and the axoneme ends in a terminal naked filament, then it belongs to this type
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Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview

Choose the correct statements
i. Ribosomes are found in Cytoplasm, Chloroplasts, Mitochondria and on rough ER
ii. Mesosomes in bacteria are not the sites of DNA replication
iii. Algae cell wall made of cellulose, galactans, mannan and calcium carbonate
iv. Mitochondria, chloroplast and peroxisomes are the part of Endomembrane System

The correct answer is

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Biology>Cell : Structure and Functions>Cell : The Unit of Life>The Cell- An overview
Match the following organelles in Group I with the structures in Group II. Choose the correct combination.

Group I Group II
P. Mitochondrion i. Cisternae
Q. Golgi ii. Cristae
R. Chloroplast iii. Thylakoids
S. Centrosome iv. Radial spokes