Biology for Engineers Quiz
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Geneticss is the branch of biology that deals with the study of
A. Hereditary
B. Variations
C. none of the above
D. both
A chain of repeating nucleotide is called
A. Nucleic acid
B. amino acids
C. elastomer
D. cannot say
Which of the following was discovered by Bateson and Punnett in 1906 in sweet pea?
A. Linage
B. Multiple alleles
C. both
D. none
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
The following are the important steps in the transcription
A. Initiation only
B. Elongation only
C. Termination only
D. all the above
DNA synthesis takes place only in the direction
A. 5’-3’
B. 3’-5’
C. IN ANY DIRECTION
D. CAN NOT SAY
The movement of gene from one linage group to another is called
A. Inversion
B. Translocation
C. Duplication
D. Crossing over
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
which number contrasting characters has been takenby Mendel in his studies
A. five
B. seven
C. four
D. eight
How many pairs of contrasting charactersin pea plants were studied by Medel in his experiments
A. Five
B. Eight
C. six
D. seven
Which one of the following cannot be explained on the basis of Mendel’s law of dominance?
A. Alleles do not show any blending and both the characters recover as such in F2 generation
B. Factors occur in pairs
C. The discrete unit controlling a particular character is called a factor
D. Out of one pair of factors one is dominant, and the other recessive.
A long polymer of deoxyribonucleotides is known as
A. DNA
B. RNA
C. BOTH A AND B
D. Neither A nor B
Which of the following consists of 5-10% of total RNA
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
In ribonucleic acid, which of the following is not present
A. Adenine
B. Thymine
C. Cytosine
D. uracil
Haploid consists
A. two sets off genes
B. one set of genes
C. three sets off genes
D. cannot say
Which of the following is the coding RNA
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
Which of the following act like catalyst
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and b
The exchange of segments of non sister chromatids betweeen chromosomes of a homologus
A. transfformation
B. Translocation
C. crossing over
D. chromosomal aberration
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
The process by which RNA is synthesized from DNA template is known as
A. Replication
B. Transcription
C. Translation
D. condensation
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
Mechanism of DNA replication involves the following enzymes
A. Helicase only
B. DNA polymerase only
C. Primase only
D. All 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
9 membered double ring nitrogen bases in nucleotide are called
A. Purines
B. Pyrimidines
C. Both A and B
D. Neither A nor B
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
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