Question

Which among the following statements is incorrect?

(a) In trapa, roots help in performing photosynthesis

(b) In few aquatic plants, roots are modified into spongy structure help in floating by maintaining buoyancy

(c) In parasitic plants, haustorial roots penetrate into host to derive nutrition

(d) Floating roots are present in cuscuta

I have been asked this question in a job interview.

My question comes from Flowering Plants Morphology in chapter Morphology of Flowering Plants of Biology – Class 11

Answer 1

The correct option is (d) Floating roots are present in cuscuta

To elaborate: In trapa, roots help in performing photosynthesis. In few aquatic plants, roots are modified into spongy structure help in floating by maintaining buoyancy. In parasitic plants, haustorial roots penetrate into host to derive nutrition. Haustorial roots are present in cuscuta.