Biology for Engineers Quiz
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Which of following has a triplet nucleotide sequence
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
Crossing or breeding experiment that deals with two alternate forms a single character is called
A. Monohybrid cross
B. Dihybrid cross
C. Test crosss
D. none
Discovery of double helix structure of DNA was by
A. James Watson and Francis
B. Hugo de Vries
C. Carl Carrens
D. Eric Von Tschermark
Which of the following has clove leaf secondary structure
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
A chain of repeating nucleotide is called
A. Nucleic acid
B. amino acids
C. elastomer
D. cannot say
9 membered double ring nitrogen bases in nucleotide are called
A. Purines
B. Pyrimidines
C. Both A and B
D. Neither A nor B
genes are located on specific location on chromosomes called
A. locus
B. genus
C. phylum
D. order
Which of the following is the process of transferring the DNA from one bacterial cell to the other one
A. Translocation
B. Transformation
C. None of the above
D. both
6 Membered single ring bases in nucleotide are called
A. Purines
B. Pyrimidines
C. Both A and B
D. Neither A nor B
When the phosphate group is attached to the nucleotide, the structure is known as
A. Nucleotide
B. Amino acids
C. Nucleic acids
D. Can not say
Which of the following is the coding RNA
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
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
Which of the following act like catalyst
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
Which of the following are the non-coding RNA
A. Both tRNA and rRNA
B. Both tRNA and mRNA
C. Both rRNA and mRNA
D. None of the above
The following are the types of linkages
A. complete linkage
B. incompleter linkage
C. niether A or B
D. Both A and B
Haploid consists
A. two sets off genes
B. one set of genes
C. three sets off genes
D. cannot say
How many pairs of contrasting charactersin pea plants were studied by Medel in his experiments
A. Five
B. Eight
C. six
D. seven
The following are comes under genetic disorders
A. Mendelian discorders
B. Chromosomal disorders
C. neither of the above
D. both of above
In DNA, which of the following is not present
A. Adenine
B. Thymine
C. Cytosine
D. uracil
The transfer of genetically controlled characters from one generation to the next generation in the living organisms is called
A. Hereditary
B. Transitivity
C. Cloning
D. none of the above
The following are the important steps in the transcription
A. Initiation only
B. Elongation only
C. Termination only
D. all the above
The exchange of segments of non sister chromatids betweeen chromosomes of a homologus
A. transfformation
B. Translocation
C. crossing over
D. chromosomal aberration
Sigma factor concept is present in the following
A. Eukaryotes
B. Prokaryotes
C. Both A and B
D. Neither A nor B
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
Polymer of ribonucleotide is called
A. Ribonucleic acid
B. Deoxyribonucleic acid
C. Can not say
D. Both A and B
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