1. Tissue system include
a) Epidermal tissue system
b) Ground tissue system or fundamental tissue system
c) Vascular tissue system
d) All the above
Explanation: All the above
2. Epidermal tissue system is made up of
a) Epidermal cells
b) Stomata
c) Epidermal appendages
d) All of these
Explanation: All of these
3. Which of the following is epidermal appendage?
a) Trichome
b) Guard cell
c) Sclereid
d) Subsidiary cell
Explanation: Trichome is epidermal appendage
4. Select T/F (True/False).
(a) Epidermis is usually single-layered.
(b) Epidermal cells are parenchymatous cell with abundant cytoplasm.
(c) Vessel members of xylem are interconnected through perforation in their common walls.
(d) Sclerenchyma provides mechanical support to organs.
a) TTTT
b) TFFT
c) TFTT
d) FFTT
Explanation: TFTT
5. The epidermis is generally covered with a waxy thick layer called the _________ which
prevents the loss of water.
a) Suberin
b) Tunicin
c) Cuticle
d) Chitin
Explanation: The epidermis is generally covered with a waxy thick layer called the cuticle which prevents the loss of water.
6. Which of the following is true about stomata?
a) Formed by guard cells
b) Regulate the process of transpiration and gaseous exchange
c) Mainly present on epidermis of leaves
d) All of these
Explanation: All of these
7. Which of the following is true about guard cells?
a) Outer wall is thin
b) Inner wall (towards stomatal pore) is thick
c) Bean-shaped in dicots and dumb-bell-shaped in grasses
d) All of these
Explanation: All of these
8. Which of the following cell posses chloroplast?
a) Mesophyll cells of leaf
b) Guard cells
c) Sometimes in cells of collenhcyma
d) All of these
Explanation: All of these
9. Stomatal apparatus consists of
a) Subsidiary cells
b) Guard cells
c) Stomatal aperture
d) All of these
Explanation: All of these
10. Stem hairs are
a) Unicellular
b) Acellular
c) Multicellular
d) Any of them
Explanation: Stem hairs are multicellular.