Joint Admission Test Papers

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As you Asking for the Question Paper of the IIT JAM Biotechnology the Question Paper is given below


In the binding of oxygen to hemoglobin, a plot ofthe fractional saturation of hemoglobin versus the
partial pressure of oxygen can best be described as
(A) hyperbolic (B) sigmoidal
(C) linear with a negative slope (D) linear with a positive slope


Which of the following acids can be used as one of the components in a buffer?
(A) Nitric acid (B) Sulfuric acid (C) Acetic acid (D) Hydrochloric acid

The bacteria that require “specialized nutrients for growth”, which can be difficult to meet in the
laboratory, are called
(A) facultative (B) obligate (C) fastidious (D) non-fermentor
During urine formation, reabsorption of glucose and amino acids occurs from the glomerular filtrate
in the “P” part of the nephron by the “Q” process. Choose the correct combination of P and Q.
(A) P - distal convoluted tubule Q - primary active transport
(B) P - ascending loop of Henle Q - secondary active transport
(C) P - proximal convoluted tubule Q - secondary active transport
(D) P - descending loop of Henle Q - passive diffusion

Monoglycerides and long chain fatty acids are absorbed in the intestine. How are these molecules
transported to the circulating capillary blood?
(A) In the form of chylomicrons through lymphatic duct
(B) Direct and facilitated diffusion
(C) Primary active transport
(D) Secondary active transport viaa carrier protein

An individual’s HLA haplotype is
(A) one allele at each MHC Class I locus
(B) the individual’s Class I antigen type
(C) one allele at each MHC Class II locus
(D) the individual’s complete set of MHC alleles


Biomedical importance of specialized transduction in bacteria is due to the
(A) acquisition of Hfr plasmid
(B) transfer of genes for toxin production
(C) transfer of genes for capsule formation
(D) incorporation of jumping genes

Which of the following pairs of cellular organelles is involved in the energy generation as well as
metabolite production in a typical eukaryotic cell?
(A) Chloroplast and Lysosome
(B) Mitochondrion and Golgi body
(C) Endoplasmic reticulum and Mitochondrion
(D) Mitochondrion and Chloroplast

The “symplast pathway” of transport in a typical plant system does NOTinvolve
(A) plasmodesmata (B) transport proteins in plasma membrane
(C) cell wall and intercellular space (D) cytoplasm

Which of the following enzymes is responsible for the crosslink formation between two adjacent Nacetyl muramic acid residues ofthe nascent peptidoglycan?
(A) Transacetylase (B) Transpeptidase (C) Transaminase (D) Endopeptidase

During the bacterial DNA replication, simultaneous synthesis of both the leading and lagging strand are catalyzed by “P”, and during translation, peptidyl transferase reaction is catalyzed by “Q”.

Choose the correct combination of P and Q.
(A) P – homodimer of DNA polymerase III Q – 16S rRNA
(B) P – asymmetric dimer of DNA polymerase III Q – 23S rRNA
(C) P – monomer of DNA polymerase III Q – 5S rRNA
(D) P – asymmetric dimer of DNA polymerase III Q – ribosomal proteins

Which of the following statements are TRUE for the action of lipophilic hormones?
P. They readily cross the cell membrane
Q. They bind to extracellular part of the receptor
R. They interact with the receptors in the cytoplasm or nucleus
S. They stimulate synthesis of second messenger cAMP
T. Hormone receptor complex binds to specific hormone response element in the DNA to activate

or repress transcription of specific gene
(A) P, Q, R (B) Q, S, T (C) P, R, T (D) Q, R, S




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