GATE Biotechnology
Description: Biotechnology GATE Biology Biochemistry Microbiology CSIR NET Life Sciences MicrobiologyRecombinant DNA TechnologyBiochemistryBioinformatics | |
Number of Questions: 20 | |
Created by: Sundari Chatterjee | |
Tags: Biotechnology GATE Biology Biochemistry Microbiology CSIR NET Life Sciences Recombinant DNA Technology Bioinformatics |
Which of the following statements are false?
- Heat inactivation of serum is done to inactivate prions.
- Nude mice refer to transgenic mice.
- A humanised antibody is one in which the CDRs are from mouse, and the rest is from human.
- B-lymphocytes originate from the bone marrow.
Which of the following is a transcription related database?
Which of the following are computational tools for eukaryotic genomic sequences?
- AUGUSTUS
- Chemgenome
- GeneMark
- mGene
Which of the following is an example of composite database?
Which of the following statements are FALSE?
- Synteny refers to local conservation of gene order.
- The helix content of a protein can be determined using circular dichromism spectroscopy.
- In zinc finger proteins, the amino acid residues that coordinate zinc are Cys and Met.
- The production of secondary metabolites in plant cell cultures is enhanced by the addition of elicitors.
Arrange the following in a sequence of signal transduction pathway.
P. Hormone Q. 7 TM receptor R. G protein S. cAMP T. PKA
Which of the photoreceptors use FAD as chromophore?
- Phototropins
- Phytochrome
- Cryptochrome
- BLUF-proteins
Which of the following is a pair of secondary databases?
Which of the following is a set of primary nucleic acid sequence databases?
Which of the following is an unsaturated fatty acid having two carbon-carbon double bonds in its structure?
Which of the following is/are example(s) of derived protein structure database(s)?
- CATH
- PDB
- SCOP
Match the column – I (common name of fatty acid) with column – II (its IUPAC name) and select the correct option.
Column – I | Column – II |
A. Palmitic acid | 1. Octanoic acid |
B. Stearic acid | 2. Decanoic acid |
C. Capric acid | 3. Octadecanoic acid |
D. Caprylic acid | 4. Hexadecanoic acid |
Match the column – I (disease) with column – II (caused by) and select the correct option.
Column – I | |
Column – II | |
A. Bacterial speck of tomato | 1. Pseudomonas syringae |
B. Powdery mildew of barley | 2. Blumeria graminis |
C. Citrus canker | 3. Xanthomonas axonopodis |
D. Angular leaf spot of cotton | 4. Xanthomonas campestris |
Which of the following is an example of a program for DNA sequence assembly?
Match the column – I (amino acid) with column – II (single letter code) and select the correct option.
Column – I | |
Column – II | |
A. Glutamine | 1. K |
B. Lysine | 2. Q |
C. Tryptophan | 3. W |
D. Tyrosine | 4. Y |
Pyrrolidine-2-carboxylic acid is IUPAC name of
Assertion (A): Gram-positive bacteria are generally resistant to complement-mediated lysis. Reason (R): Thick peptidoglycan layer in Gram-positive bacteria prevents insertion of membrane attack complex into the inner membrane.
Directions: In the following question there are two statements, Assertion (A) and Reason (R), consider both the statements independently and mark your answers as under:
1. If A and R both are correct and R is correct explanation of A.
2. If A and R both are correct and R is not correct explanation of A.
3. If A is correct and R is incorrect.
4. If A is incorrect and R is correct.
5. If A and R both are incorrect.
Assertion (A): Dimethyl sulphoxide (DMSO) is used as a cryopreservant for mammalian cell cultures. Reason (R): It easily penetrates cells.
Directions: In the following question there are two statements, Assertion (A) and Reason (R), consider both the statements independently and mark your answers as under:
1. If A and R both are correct and R is correct explanation of A.
2. If A and R both are correct and R is not correct explanation of A.
3. If A is correct and R is incorrect.
4. If A is incorrect and R is correct.
5. If A and R both are incorrect.
Assertion (A): PROSITE is a composite protein sequence database. Reason (R): It contains information derived from SWISS-PROT in the form of regular expressions (patterns).
Directions: In the following question there are two statements, Assertion (A) and Reason (R), consider both the statements independently and mark your answers as under:
1. If A and R both are correct and R is correct explanation of A.
2. If A and R both are correct and R is not correct explanation of A.
3. If A is correct and R is incorrect.
4. If A is incorrect and R is correct.
5. If A and R both are incorrect.
Assertion (A): Hyposecretion of somatotropin hormone (STH) causes Simond’s disease. Reason (R): STH is secreted by posterior lobe of pitutary.
Directions: In the following question there are two statements, Assertion (A) and Reason (R), consider both the statements independently and mark your answers as under:
1. If A and R both are correct and R is correct explanation of A.
2. If A and R both are correct and R is not correct explanation of A.
3. If A is correct and R is incorrect.
4. If A is incorrect and R is correct.
5. If A and R both are incorrect.