Tag: DBT JRF PYQ-2022

109. Where is the greatest likelihood of the occurrence of a Cysteine residue in a protein structure? A. In the active site pocket B. In the beta sheets C. In […]

108. In a plant transformation vector, the selectable marker gene is ideally located next to the “left border” of T-DNA region, because: A. Left border of T-DNA enters last into […]

107. Which one of the following method can be used to treat crude sewage and nitrify secondary effluent? A. Duck weed ponds B. Reed beds C. Algal fish ponds D. […]

106. A bacterial signaling system that regulates population density-dependent gene expression using secreted chemical signals is known as: A. G protein-coupled receptor signalling B. Quorum sensing C. Receptor-mediated signalling D. […]

105. A continuous reactor has a productivity of 0.5 𝑔/𝐼/ℎ. The volume of reactor required to produce 1.2 ton/day of the product is: A. 100 𝐿 B. 1 𝑚3 C. […]

104. A haploid sperm from one species and a haploid egg from another species may form a diploid interspecies hybrid. Meiosis in these plants generally fails but can also lead […]

103. Which family of proteins has the greatest likelihood of containing a Leucine-zipper motif? A. Serine proteases B. Map kinases C. Transcription factors D. Sugar binding proteins Detailed Explanation: The […]

102. Short Chain variable fragments (ScFv) of antibody are composed of : A. 𝑉𝐻 and 𝑉𝐿 domains with 𝐶𝐻 domain B. 𝑉𝐻 and 𝑉𝐿 domains along with Fc region C. […]

101. A protein sample isolated from natural source was electrophoresed on a non-reducing SDSPAGE. It migrated as a band corresponding to 60 kDa. When the same protein was electrophoresed on […]

100. Which one of the following organisms is NOT an obligate intracellular parasite and, therefore, can grow on bacteriological media? A. Mycoplasma B. Chlamydia C. Rickettsia D. Adenovirus Detailed Explanation: […]