Biology for Engineers Quiz
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Mechanism of DNA replication involves the following
A. Recognition of initial point only
B. Unwinding of DNA only
C. RNA priming only
D. All of the above
Sigma factor concept is present in the following
A. Eukaryotes
B. Prokaryotes
C. Both A and B
D. Neither A nor B
Who had discovered the mRNA
A. Francois Jacob
B. Jacques Monod
C. Matthew Meselson
D. all the above
Diploid gene consists
A. two sets off genes
B. one set of genes
C. three sets off genes
D. cannot say
which of the following has fromulated some postulates as Mendels Law of inheritance
A. The law of dominance
B. The law of segregation
C. The law of independent
D. All of the above
In ribonucleic acid, which of the following is not present
A. Adenine
B. Thymine
C. Cytosine
D. uracil
which number contrasting characters has been takenby Mendel in his studies
A. five
B. seven
C. four
D. eight
F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1:2:1. It represent a case of
A. Monohybrid cross with complete dominance
B. Monohybrid cross with incomplete dominance
C. Co-dominance
D. Dihybrid cross
Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents?
A. Incomplete dominance
B. Law of dominance
C. Inheritance of one gene
D. Co-dominance
Polymer of ribonucleotide is called
A. Ribonucleic acid
B. Deoxyribonucleic acid
C. Can not say
D. Both A and B
Which of the following has clove leaf secondary structure
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
The following are comes under genetic disorders
A. Mendelian discorders
B. Chromosomal disorders
C. neither of the above
D. both of above
In which segment of chromosomes, is exchanged with a segment from another non homologus chromosomes, which results in two translocation chromosomes
A. Translocation
B. Transformation
C. none of the above
D. both
In DNA, which of the following is not present
A. Adenine
B. Thymine
C. Cytosine
D. uracil
6 Membered single ring bases in nucleotide are called
A. Purines
B. Pyrimidines
C. Both A and B
D. Neither A nor B