ICSE Class 10 Biology
Question 2 of 12
Solved 2013 Question Paper ICSE Class 10 Biology — Question 2
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Question Question 1(b)
State the exact location of the following:
(i) Chloroplast
(ii) Incus
(iii) Corpus callosum
(iv) Guard cells
(v) Pulmonary semilunar valve [5]
(i) Chloroplast are present in mesophyll cells located between the upper epidermis and the lower epidermis (i.e. in palisade cells and spongy cells) of leaves. They are also found in the guard cells of stomata and in the outer layers of young green stems.
(ii) Incus is located between Malleus and Stapes of ear ossicle which is found in the middle ear.
(iii) Corpus callosum is located between the two cerebral hemispheres.
(iv) Guard cells are located in Stomata.
(v) Pulmonary semilunar valves are located at the opening of the right ventricle into the pulmonary artery.