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Q.66 Which of the following statement is true for Barr body? 1. It is a highly condensed chomosome. 2. It is an active X chromosome. 3. It is equivalent to […]

Q.65 The gene transmission from a male parent to a female offspring (“child”) to a male “grandchild” is called: 1. crisscross inheritance 2. X linked inheritance 3. Y linked inheritance […]

Q.64 tRNA is synthesized by 1. RNA polymerase I 2. RNA polymerase II 3. Ribosomes 4. RNA polymerase III tRNA is synthesized by RNA polymerase III, which transcribes small non-coding […]

Q.63 The histone that links two histone octamers is 1. H1 2. H4 3. H2A 4. H2B Nucleosomes form the basic unit of chromatin with DNA wrapped around histone octamers; […]

Q.62 Transcription factors that mediate the binding of RNA polymerase to DNA template are (A).TFIIA (B).TATA box (C).TFIIB (D).Small nuclear ribonucleoproteins 1. (A) and (D). 2. (A) and (C) . […]

Q.61 The peptidyl transferase enzyme activity is located in the 1. Variable loop of tRNA 2. Large ribosomal subunit 3. Acceptor arm of tRNA 4. Small ribosomal subunit Peptidyl transferase […]

Q.60 Match List I with List II List I (Transposons) List II (Organism) Label Transposon Label Organism A P element I Drosophila B LINE and SINE II Human C Ty […]

Q.59 Vessels are present in: 1. Cycas 2. Zamia 3. Ginkgo 4. Gnetum Vessels are present in Gnetum among these gymnosperms, a unique feature setting the Gnetales apart from vessel-less […]

Q.58 The basal portion of a mature ligule of Selaginella is called as: 1. Basal sheath 2. Lamella 3. Glossopodium 4. Stalk Selaginella ligules are specialized leaf appendages with distinct […]

Q.57 Which one of the following is a peat moss? 1. Pellia 2. Sphagnum 3. Marchantia 4. Funaria Sphagnum is the peat moss, forming extensive bogs through its water-holding dead […]