Which of the following is/are the characteristic/s of plants living in high temperature environment?
a) absorb maximum water in rainy season and stored it
b) extensive branching root system and extensive spreading of upper parts
c) the leaves have thick cuticle and sunken stomata
d) all of these
Support In Plants:
Non-lignified plant tissue are supported by the ………
a) xylem
b) pressure of cell contents
c) phloem
d) sclerenchma
Explanation: this pressure is called turgor
Herbaceous plants are often known for their attractive…….
a) flowers
b) foliage
c) wood
d) both a and b
Vascular plants have up to …….main types of supporting tissues.
a) two
b) three
c) four
d) five
Explanation: 1. Collenchymas,
2. Sclerenchyma and 3. Vascular tissue
The name collenchyma is derived from the Greek word “Kolla” means…..
a) hard
b) glue
c) tight
d) hollow
