Read the following and answer any four questions from 17 (i) to 17 (v).
The general requirement for energy and materials is common in all organisms, but it
is fulfilled in different ways. Organisms use simple food material obtained from
inorganic sources in the form of carbon dioxide and water these organisms, called as
autotrophs, include green plants and some bacteria other organisms utilise complex
substances, known as heterotroph. The process by which green plants make their
food is called photosynthesis which occurs in chloroplast, after that food and
minerals are transported to all parts of the plants with the help of xylem and pholem
tissue and from various processes like translocation, absorption, osmosis, etc.
17. () The diagram shows the arrangement of cells inside the leaf of a green plant. Which
cells normally contain chloroplast?
3
(c) 1,4, 3 (d) All of these
(a) 1,3 (b) 2, 4
.(in) A plant shoot is left in ink solution for several hours.
A section is cut through the stem. What would you see?
(a)
Area stained
by ink Area stained
ink
(c)
Area stained
d)Area by ink stained
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