Q29 of 59 Page 1

If you are asked to select a group of two vegetables, out of the following, having homologous structures which one would you select?

Homologous 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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27

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A student while observing an embryo of a pea seed in the laboratory listed various parts of the embryo as given below: On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the following list:

 30

To determine the approximate value of the focal length of a given concave mirror, you

focus the image of a distant object formed by the mirror on a screen. The image obtained on the screen, as compared to the object is always:

 31

Suppose you have focused on a screen the image of candle flame placed at the farthest end of the laboratory table using a convex lens. If your teacher suggests you to focus the parallel rays of the Sun, reaching your laboratory table, on the same screen, what you are expected to do is to move the: