411.
Which dye is used to stain chromosomes A
Acetocarmine
B
Haematoxylin
C
Feulgen
D
All of the above
Answer :
All of the above
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412.
Deposition of ligning mainly occurs in A
Primary cell wall
B
Secondary cell wall
C
Tertiary cell wall
D
Middle lamella
Answer :
Secondary cell wall
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413.
Nucleolar organizer is a A
Primary constriction
B
Secondary constriction
C
Tertiary constriction
D
Centriole
Answer :
Secondary constriction
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414.
Biogenesos of eucaryotic Ribosomes takes place in A
Mitochondria
B
Chloroplast
C
A and B both
D
Nic;ep;is
Answer :
Nic;ep;is
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415.
GERL concerned with the biogenesis of A
Golgibody
B
E. R.
C
Mitochondria
D
Lysosomes
Answer :
Lysosomes
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416.
Cell wall of prokarytes is made up of A
Chitin
B
Cellulose
C
Glucose amine
D
Mucopeptide
Answer :
Mucopeptide
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417.
A completely radioactive double stranded DNA molecule undergoes two round of replication in a non radioactive medium. What will be the radioactive status of the four daughter molecules A
All four still contain radioactivity
B
Radioactivity is lost from all four
C
Out of four, three contain radioactivity
D
Half of the number contain no radioactivity
Answer :
Half of the number contain no radioactivity
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418.
Most diagnostic character of centromere is A
Kinetochore
B
Kinetosome
C
Setellite body
D
Chromonems
Answer :
Kinetochore
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419.
The two ends of chromatid are called A
Nucleosomes
B
Satellite DNA
C
Telomeres
D
Kinetochores
Answer :
Telomeres
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420.
DNA of chloroplast discovered by A
Randadand Disprey
B
Nash and Margit
C
Ris and Plaut
D
Benda
Answer :
Ris and Plaut
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