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Biological Sciences Interview Questions
Questions Answers Views Company eMail

What is meant by positive strand RNA and negative strand RNA?

 1586

What are the two ways that animal viruses may penetrate their host cell?

 2416

Describe the infectious cycle of a negative strand RNA virus?

 1652

Differentiate between doubling time and generation time?

 2 26758

This microscopic life form is transparent and has an elongated body that is pointed at the rear. The mouth is at the base of the neck, which can be extended like the trunk of an elephant. What is this ciliophora called?

 1716

Amebas are classified into two sub-classes, what are they?

 1 3646

You suspect microscopic grains on a slide that you exposed to the outside air to be pollen. To test this, you place a drop of a sugar solution on the slide with the grains. If this is pollen, what will happen?

1507

What was the first virus ever discovered?

1 3147

What is the reproductive cycle of a phage virus called in which the virus's DNA is combined with the host cell's DNA to form a prophage?

1 3027

Which enzyme are retroviruses equiped with that allows them to transcribe DNA from an RNA template?

1 3043

What are the tiny molecules of naked circular RNA that infect plants called?

1 8094

What is the direct transfer of genetic material between two bacterial cells that are temporarily joined?

1 4965

What color is the microfungi penicillium?

 4 5403

The blooms of these protists gives water a watermelon-like taste. What is this microlife called?

 1728

Tardigrades are also known by what other name?

1 3206

Un-Answered Questions { Biological Sciences }

Which univalent element cannot form alums and why?

623

What are the important sources of phosphorus?

643

How different is the growth according to the biotic potential of a viral population from the growth according to the biotic potential of a bacterial population?

112

How to properly prepare glycyrrhizic acid solution?

1525

In which forms arsenic impurities present in drug.

910




Do all proteins have quaternary structure?

634

What is kararch effect?

588

Describe the Myoblast or cardiomyocyte culture ?

1487

Why does frame shift mutation (GC gase paired) occurs due to the pesticides in TA98 salmonella tester strain? What is its reason and the mode of action of the pesticides on the CG sequence of the DNA of TA98 strain

1751

what is Sphere cells suspension culture ?

1524

Explain about leukotrienes and prostaglandins?

631

What are the typical vegetation and the typical fauna of the deserts?

74

Does eukaryotes have restriction modification system?

573

What are mitochondria?

564

why do you join pharma

1970

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