Practice Questions

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#Question id: 356

How does 0.5 M sucrose (molecular mass 342) solution compare to 0.5 M glucose (molecular mass 180) solution?

#SCPH05 I Biotechnology

Both have 6.02 × 10^23 molecules.
Sucrose has 171 molecules, whereas glucose has 90.
Both have 3.01 × 10^23 molecules.
Sucrose has 171 mg/L, whereas glucose has 90 mg/L.

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#Question id: 3287

#SCPH28 | Zoology

Which statement is not an assumption of the Hardy–Weinberg law?

a. The allelic frequencies (p and q) are equal.

b. The population is randomly mating.

c. The population is large.

d. Locus is di-allelic

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#Question id: 4746

#SCPH01 Biochemistry

Two independent pure line varieties having deep red and brown phenotype in their seed coat were cross, the all f1 progeny is deep red. The F2 progeny obtain from selfing show deep red and brown in ratio of 15:1. Which of the following observation is correct?

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#Question id: 3530

#SCPH01 Biochemistry

Mendel’s law of segregation, as applied to the behavior of chromosomes in meiosis, means that:

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#Question id: 13108

#SCPH28 | Zoology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.)

You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

Why is it that some people show three bands?

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#Question id: 4337