321.
Animal and plant cells differ in their
A
Movement
B
Growth
C
Nutrition
D
Respiration
Answer :
Nutrition
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322.
Unit membrane model of plasmembrane was propsed by
A
Robertson
B
Singer
C
Danielli
D
Robert lamella
Answer :
Robertson
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323.
Blepheroplast is a type of
A
Centriole
B
Plastid
C
Cilia
D
Mitochondria
Answer :
Centriole
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324.
All plastids have similar structure because they can
A
store starch, lipids and proteins
B
get transformed from one type to another
C
perform same function
D
be present together
Answer :
get transformed from one type to another
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325.
Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?
A
Peroxisomes
B
Golgi bodies
C
Polysomes
D
Endoplasmic reticulum
Answer :
Golgi bodies
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326.
Strongest evidence that DNA is genetic material comes from
A
Chromosomes contains DNA
B
Transformation of bacterial cells
C
DNA is present in nucleus
D
DNA is not present in cytoplasm
Answer :
Transformation of bacterial cells
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327.
Which of the following enzyme is used to join DNA fragments
A
Terminase
B
Endonuclese
C
Ligse
D
DNA polymerase
Answer :
Ligse
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328.
Correct order of molecular weight is
A
DNA < r-RNA < t-RNA
B
DNA < m-RNA
C
T-RNA < m-RNA < DNA
D
T-RNA < DNA < m-RNA
Answer :
DNA < r-RNA < t-RNA
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329.
The middle lamella is composed of
A
Pectates
B
Cellulose
C
Lignin
D
Proteins
Answer :
Pectates
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330.
The peroxisomes areassociated with the phenomenon of
A
Oxidativa anabolism
B
De-gradation of H2O
C
Anaerobic respiration
D
Photorespiration and degradation of H2O2
Answer :
Photorespiration and degradation of H2O2
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