Q30 of 61 Page 1

Which one of the following pairs of vegetables is an example of homologous structures:

The correct answer is: option (b)

Homologus organs are defined as the organs which have same structure but different functions. Raddish and carrot are a pair of homologus organs as they are modified roots.

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28

A student has obtained the image of a distant object with a concave mirror to determine its focal length. If he has selected a well illuminated red building as object, which of the following correctly describes the features of the image formed?

 29

A student obtained an image of a distant object on a screen to determine the focal length F1 of the given lens. His teacher after checking the image, gave him another lens of focal length F2 and asked to focus the same object on the same screen. The student found that to obtain a sharp image he has to move the lens away from A screen. From this finding we may conclude that both the lenses given to the student were:

 31

Study the following diagrams showing various stages of binary fission in Amoeba:


The correct sequence is:

 32

Identify the figures showing the process of budding in yeast.