Germplasm collections are done largely from an area where agriculture is:
A) Not in practice
B) Advanced
C) Still primitive
D) None of these
Clover leaf model of t-RNA was proposed by:
A) Nirenberg & Mathai
B) Robert Holley
C) Okha
D) H.G. Khurana
In DNA replication, the Okazaki fragments on the lagging strand are joined together by:
A) Helicase
B) DNA Ligase
C) DNA Polymerase
D) Swivelase
According to Meselson & Stahl’s experiment of DNA replication, DNA molecules are centrifuged in CsCl density gradient, and they separate on the basis of:
A) Mass number
B) Volume
C) Density
D) All of the above
In meiosis, chromosomes are reduplicated during:
A) Prophase I
B) Prophase II
C) Interphase
D) Interkinesis
After an mRNA has been translated and leaves the ribosome or polysome, it is:
A) Dehydrated
B) Dehydrolyzed
C) Degraded
D) Oxidized
In mitosis, just after duplication, the two sister chromatids remain attached at:
A) Spindle
B) Asters
C) Centromere
D) Centrioles

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