Biological Sciences Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Biological Sciences Interview Questions

Questions Answers Views Company eMail

What is the numeric relation between pyrimidine and purine bases in the dna molecule? Is that relation valid in rna molecules?

1115

Which type of reactions did acetylene undergoes?

1046

To what organic group do pentoses belong?

1084

What are pentoses?

1044

Aldehydes and ketones are known as?

1083

What is the rule for the pairing of nitrogen-containing bases in the dna molecule and in the rna? Is this last question appropriate?

1079

What are the main factors that alter the speed of enzymatic reactions?

1082

Where can rna are found within cells?

1199

What is the quaternary structure of a protein? Do all proteins have quaternary structure?

1023

What are the chemical bonds of the dna molecule that are broken for the replication process to occur?

1005

What are catalysts?

1110

What is the importance of enzymes for the living beings?

1190

What are the main types of tertiary structure?

1273

What is protein denaturizing? Is there any change in the primary structure when a protein is denaturized?

1135

Because of dna replication, two dna molecules come to existence. Why is not it correct to assert that two “new” dna molecules are created? What is the name given to the process concerning that fact?

1217

Un-Answered Questions { Biological Sciences }

Which form of isomers of a substance is more stable?

1125

How is the actual free energy change for a process related to the standard free energy change?

2767

Give an account on Virus de-envelopment ?

1970

Name an organ that belongs to more than one organ system?

990

Which element has maximum catenation ability?

1088

In cats yellow is due to gene B and black to its allele b. These genes are located on the X chromosome (sex-linked). The heterozygous results in calico (tortoise shell). What kinds of offspring (sex & color) are expected from the cross: black male & calico female? Most calico males are sterile, why?

3062

Why the orange trees are often sprayed with water?

906

Define population growth rate?

326

What is the main difference between a bird heart and a mammalian heart?

888

what do you know about the plant Corycium orobanchioides?

1970

What are some examples of parasitism?

320

Explain the difference between living and non-living things?

929

How the plants can survive in Tundra where temperature reaches -57oC?

1984

How measurements of reaction times can be used to infer brain architecture?

1850

How to detect receptor on the cell surface?

1826

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