PrepBharat

1.Which of the following tissues gives tensile strength against bending and swaying?
a) Parenchyma
b) Collenchyma
c) Sclereids
d) All of these

View Answer

2. A simple mechanical tissue devoid of lignin is
a) Parenchyma
b) Collenchymas
c) Sclerenchyma
d) Chlorenchyma

View Answer

3. The primary plant body is made up of
a) Meristematic tissues
b) Simple tissues
c) Complex tissues
d) All the above

View Answer

4. Hard lignified thick-walled long and pointed cells of a plant are
a) Parenchyma
b) Sclerenchyma fibers
c) Collenchymas
d) Sclereids

View Answer

5. A thick-walled lignified simple mechanical tissue is
a) Parenchyma
b) Collenchymas
c) Sclerenchyma
d) Chlorenchyma

View Answer

6. How many types of cells are present in complex tissue?
a) More than one
b) More than three
c) One type
d) Three type

View Answer

7. The functions of xylem are
a) Conduct water from root to stem and leaves
b) Conduct mineral from root to stem and leaves
c) Provide mechanical strength to plant
d) All of these

View Answer

8. Xylem is composed of how many different elements?
a) 1
b) 2
c) 3
d) 4

View Answer

9. Gymnosperm lacks _________ in their xylem.
a) Tracheids
b) Vessels
c) Xylem fibres
d) Xylem parenchyma

View Answer

10. Select the correct matching:
Column I          Column II
A. Tracheids   – 1. Elongated and tube like cells with thick and lignified wall and tapering ends.
B. Vessels   – 2. Tube like structure made up of many cells, each cell with lignified wall and large central cavity.
C. Xylem fibre   – 3. Highly thickened walls and obliterated central humans.
D. Xylem parenchyma   – 4. Living cell with thin cell wall made up of cellulose.
a) A–2, B–1, C–3, D–4
b) A–3, B–1, C–2, D–4
c) A–1, B–2, C–3, D–4
d) A–3, B–2, C–1, D–4

View Answer