NEETBotanyAnatomy of Flowering Plants
Read the following statements carefully: (A) Conjunctive tissue is the parenchymatous tissue present between xylem and phloem in roots. (B) The endodermis of a dicot stem is rich in starch grains and is referred to as the starch sheath. (C) Casparian strips are water-permeable depositions of lignin found in the pericycle. (D) Subsidiary cells are specialised mesophyll cells found in the leaves of all angiosperms. How
Options
- AOnly one
- BOnly two
- COnly three
- DAll four
Correct answer
B. Only two
Step-by-step solution
Statement (A) is correct as conjunctive tissue is the parenchymatous tissue lying between the xylem and the phloem in roots. Statement (B) is correct because the innermost layer of the cortex in a dicot stem is the endodermis, and its cells are rich in starch grains, hence it is called the starch sheath. Statement (C) is incorrect because Casparian strips are water-impermeable, waxy depositions of suberin (not lignin) found in the endodermis (not pericycle) of roots. Statement (D) is incorrect because subsidiary ce