- (a)
- (c) Parenchyma cells having chlorophyll is called
as chlorenchyma which is present in the mesophyll
region of the leaves and helps in photosynthesis. - (a)
- (b)
- (b) Collenchyma is a simple permanent
mechanical tissue which has pectin deposition in
the walls. - (b) Epidermis and cork are the protective tissues,
epidermis is the outermost covering of the plant
parts and cork is the outer covering of the stem
often called as bark. - (c) Vessels are the characteristic features of dicot
plants which differentiates angiosperms from
gymnosperms. - (c) Sieve tubes elements have broad lumen and
sieve plate which consists of sieve pores are
situated at the ends of the tubes. - (a)
- (a) Sclerenchyma cells are devoid of protoplasm
which differentiates from collenchyma - (a) Trichomes are hair-like outgrowth from
the epidermis of a plant, which are typically
unicellular and glandular. - (c) Parenchyma cells are loosely arranged with
intercellular space present in the soft parts of the
plants. - (d) Calyptrogen is the fourth histogen which
produces the root cap. - (a)
25. (c) According to tunica corpus theory, Tunica is
the outer consisting of meristems- peripheral
layers of cells, forming the outer region and
Corpus, the central undifferentiated multi-layered
mass of cell.
26. (c) Permanent tissues are stuck at G1 phase of cell
cycle which is a resting phase and cells are not
able to undergo mitotic division
27. (d)
28. (a) Parenchyma is present in the soft parts of the
plants, hence it is also present in the mesocarp
region of the fruit.
29. (b)
30. (a) Parenchyma cells are having thin walled cells
made up of cellulose.
31. (b) Protoxylem elements are facing towards
periphery and there are many patches of xylem
and phloem.
32. ( c ) G r a s s l e a f a n a t o m y s h o w s u n i f o r m
distribution of the cells where there is
undifferentiated mesophyll.
33. (b)
34. (a) Palisade parenchyma has more number
of chloroplast when compared to spongy
parenchyma.
35. (d) Scattered vascular bundles is the characteristic
feature of monocot stem.
ff
(ff)
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