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GATE preparation for Biotechnology

(79 Posts)

This thread is dedicated to preparation for Biotechnology section of GATE. You may share questions related to topics like Microbiology, Bioinformatics, Recombinant DNA Technology, Molecular Biology and Genetics, Biochemistry etc.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
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Darkrai
Shared from GATE Mock Test - 1 (Biotechnology) on Jan 15, 2022 9:48 PM

A culture medium is undergoing sterilisation at 121°C. At the beginning, the microbial concentration of the culture was 106 cells/ml and after 1 hour, the concentration decreases to 104 cells/ml.

Determine the time in which 90% of the original microbial population would have died.

 
4.606 minutes
13 minutes
2.303 minutes
Data insufficient
Please type your answer before submitting.

This answer is wrong

Hitanshu Sekhar
Shared from Molecular Biology and Genetics - 2 on Feb 02, 2021 11:46 PM

If one gamete in five carries a recessive allele, what must be the frequency of the homozygous recessive genotype in a population at Hardy–Weinberg equilibrium?

 
4%
16%
20%
60%
Please type your answer before submitting.

Explain how?

Hitanshu Sekhar
Shared from Process Biotechnology - 2 on Jan 31, 2021 2:04 PM

For the production of Human Recombinant insulin, E.coli cultures is growing on the medium contains Glucose and Lactose. The gene responsible for the production of insulin is cloned into the organism using Lac promoter.

Both glucose and lactose are present in the medium but glucose is completely utilized and Lac inducer is added to the medium, then the organism ______________.

 
can produce insulin
can not produce insulin
cannot survive
no effect
Please type your answer before submitting.

I am not able to understand the explanation of this question. Kindly help.

Sonam Singh
Shared from Biotechnology (GATE) 2013 on Jan 25, 2021 3:05 AM

If 3 X 5 and 8 Y11, then which of the following options is TRUE?

 
Please type your answer before submitting.

B right ans

Sonam Singh
Shared from Biotechnology (GATE) 2013 on Jan 25, 2021 2:57 AM

Match the entries in the Group I with the entries in Group II.


Group I Group II
P. Threading 1. Gene duplication
Q. FASTA 2. Fold prediction
R. Profile 3. HMM
S. Paralogs 4. k-tuple

 
P - 2, Q - 1, R - 3, S - 4
P - 2, Q - 4, R - 3, S - 1
P - 3, Q - 4, R - 2, S - 1
P - 1, Q - 4, R - 3, S - 2
Please type your answer before submitting.

3 ans right