Biology for Engineers Quiz
Preview:
In DNA, which of the following is not present
A. Adenine
B. Thymine
C. Cytosine
D. uracil
How many pairs of contrasting charactersin pea plants were studied by Medel in his experiments
A. Five
B. Eight
C. six
D. seven
In ribonucleic acid, which of the following is not present
A. Adenine
B. Thymine
C. Cytosine
D. uracil
Diploid gene consists
A. two sets off genes
B. one set of genes
C. three sets off genes
D. cannot say
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 has clove leaf secondary structure
A. m-RNA
B. t-RNA
C. r-RNA
D. both a and 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
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.
Sigma factor concept is present in the following
A. Eukaryotes
B. Prokaryotes
C. Both A and B
D. Neither A nor B
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 was discovered by Bateson and Punnett in 1906 in sweet pea?
A. Linage
B. Multiple alleles
C. both
D. none
6 Membered single ring bases in nucleotide are called
A. Purines
B. Pyrimidines
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
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
which number contrasting characters has been takenby Mendel in his studies
A. five
B. seven
C. four
D. eight