Who among the following rediscovered Mendel's laws of genetics?
A) De Vries
B) Carl Correns
C) Tschermark
D) All of the above
For genetic units, Mendel used the word and Correns called them as:
A) Factors, Elements
B) Elements, Factors
C) Gene, Exon
D) Exon, Gene
Altman (1892), referred to the mitochondria as:
A) Bioplast
B) Powerhouse of the cell
C) Thermoplast
D) None of the above
The genetic code (Triplet) is:
A) Degenerate
B) Ambiguous
C) Degenerate & Ambiguous both
D) None of the above
The lac Z gene in the lac operon codes for:
A) Repressor Protein
B) Galactosidase
C) Permease
D) Transacetylase
In the trp operon, trp B and trp A genes code for:
A) β-Galactosidase
B) Tryptophan Synthase
C) Anthranilate Synthase
D) All of the above
The DNA repair system found to be most active is:
A) SOS
B) Photoreactivation
C) Excision
D) All of the above
The oldest method of plant breeding is:
A) Introduction
B) Hybridization
C) Selection
D) None of the above

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