Root and Root modifications- Practice Test 4

Answer: Option A

Explanation

Prop roots arise from the branches. They remain hanging in the air for some time. Roots finally reach the ground positively geotropically and grow in thickness.

Answer: Option E

Explanation

The correct match is A-3, B-2, C-4, D-5, E-1

• Tubercular storage roots are present in Asparagus
• Penumatophores are found in Heritiera
• Haustoria are present inViscum
• Prop roots are ound in Screwpine
• Assimilatory roots are observed in Tinospora

Hence option E is correct

Answer: Option D

Explanation

Floating roots are the characteristic features of the aquatic plants like Jussiaea, Utricularia, etc. Floating roots are swollen, spongy and have large aerenchyma. They provide an ability to float to the plant and sometimes thay are also respiratory in function

Answer: Option C

Explanation

Potato is not a root. Infact it is the underground stem which stores food materials. Hence, the roots of potato are not edible.

Answer: Option B

Explanation

Trichosanthes is the example of reproductive roots.