List of top Biotechnology Questions asked in TS PGECET

Match the following \[ \begin{array}{|c|l|c|l|} \hline & List-I & & List-II \hline A & \text{Apoenzyme} & I & \text{Non-protein part} B & \text{Coenzyme} & II & \text{Protein part} C & \text{Holoenzyme} & III & \text{Enzyme + cofactor} D & \text{Active site} & IV & \text{Substrate-binding region} \hline \end{array} \] The correct answer is
Identify the checkpoint that controls entry into DNA replication
If a mammalian cell completes one cell cycle in \(24\) hours and the S phase lasts \(8\) hours, what fraction of the cell cycle is spent in S phase?
Which among the following is not a key component of signal transduction process?
Consider the following and choose the correct answer Assertion [A]: Tautomeric shifts in DNA bases are a source of spontaneous mutations. Reason [R]: Rare tautomeric forms have altered hydrogen-bonding patterns. The correct answer is
Consider the following and choose the correct answer Assertion [A]: B-DNA is the most stable and predominant form of DNA under physiological conditions. Reason [R]: B-DNA possesses major and minor grooves. The correct answer is
Match the following \[ \begin{array}{|c|l|c|l|} \hline & List-I & & List-II \hline A & \textit{Azotobacter} & I & \text{Anaerobic nitrogen fixer} B & \textit{Clostridium} & II & \text{Symbiotic nitrogen fixer} C & \textit{Rhizobium} & III & \text{Free-living aerobic fixer} D & \text{Leghemoglobin} & IV & \text{Oxygen buffering protein} \hline \end{array} \] The correct answer is
Select the enzyme complex responsible for biological nitrogen fixation?
Identify the obligate intracellular microorganism?
Identify the following organism which is a symbiotic nitrogen fixer?
The site of light reactions of photosynthesis occurs on
What are the products of the light reaction utilized during the Calvin cycle?
Which of the following yields the maximum ATP?
Consider the following and choose the correct answer Assertion [A]: Aerobic respiration is more efficient than anaerobic respiration. Reason [R]: Oxygen allows complete oxidation of glucose. The correct answer is
Which of the following cellular components is present in eukaryotic cells but absent in prokaryotic cells?
A bacterium has a generation time of \(30\) minutes. Starting with \(1\times10^4\) (\(10000\)) cells, how many cells will be present after \(2\) hours?
Which of the following correctly matches a virus with its type of nucleic acid?
Match the following \[ \begin{array}{|c|l|c|l|} \hline & Genetic element/process & & Characteristic \hline A & \text{F plasmid} & I & \text{Uptake of naked DNA} B & \text{Transformation} & II & \text{Sex pilus formation} C & \text{Generalized transduction} & III & \text{Random bacterial DNA transfer} D & \text{Hfr strain} & IV & \text{High-frequency chromosomal gene transfer} \hline \end{array} \] The correct answer is
Viruses are considered as living organisms because they perform
Origin of replication usually contains
Proteomics refers to the study of
Which of the following is not a variant of BLAST?
Which blotting technique is used for detection of proteins?
Which is correct regarding ex vivo gene therapy?
Which is an endonuclease in CRISPR Cas9 Technique?