DIC microscopy is used for visualizing 

1. Minute details

2. Thick objects

3. Thin objects

4. Larger details

Which among the following options is correct?

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#Question id: 4737

#SCPH28 | Zoology

Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

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#Question id: 3045

#SCPH28 | Zoology

Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet

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#Question id: 12686

#SCPH05 I Biotechnology

The two polynucleotide chains in DNA are usually found in the shape of_____

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#Question id: 12022

#SCPH28 | Zoology

The bile salts ________.

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#Question id: 5566

#SCPH06 I Botany

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?