Q. 74.7( 74 Votes )
If a plant has leaves with reticulate venation, what kind of roots will have it?
If a plant has leaves with reticulate venation, then the plant likely to have tap root.
In a tap root, there is the main root, from which other roots sprout laterally. Example, carrot. The picture of tap root is given below:
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Which of the following leaves have reticulate venation?
Wheat, tulsi, maize, grass, coriander (dhania), China rose.NCERT Science
Observed Fig. 7.3 and attempt the question that follow it.
(a) Label the parts 1, 2, 3 and 4 in the diagram.
(b) What type of venation does the leaf has?
(c) What type of venation is seen in grass?NCERT - Science Exemplar
Draw the veins of leaves given in Fig. 7.2 below and write the type of venation.
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Boojho wanted to test the presence of starch in leaves. He performed the following steps.
(1) He took a leaf and boiled it in water.
(2) He placed the leaf in a petri dish and poured some iodine over it.
He did not get the expected result. Which step did he miss? Explain.NCERT - Science Exemplar
Will a leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch? Give reasons for your answer.NCERT - Science Exemplar