Roots

Question 1

Tap root system

Answer 1

Dicots - Brassicaceae, Fabacaceae

Question 2

Fibrous root system

Answer 2

Monocots (rice, wheat)

Poaceae

Question 3

Adventitious root system

Answer 3

Grass, Monstera, banyan, sweet potato

Prostrate/horizontal root - grass, asparagus

Question 4

Multiple root caps

Answer 4

Monstera, Pandanus

Question 5

Root cap absent

Answer 5

Aquatic plants like Pistia

Question 6

Root pockets

Answer 6

In hydrophytes, instead of root cap, root pockets are present

Question 7

Tap root modifications

Answer 7

Fleshy/storage roots: Brassicaceae
Conical - carrot (Daucus carota)
Fusiform - radish (Raphanus sativa)
Napiform - turnip (Brassica rapa)
Beet
(Adventitious root - sweet potato, Asparagus )

Respiratory roots/ pneumatophores:
Rhizophora
Sonneretia
Heritierra

N2 fixing/nodulated roots: Fabaceae
Pea
Grams
Beans

Question 8

Adventitious root modifications

Answer 8

Storage roots
Sweet potato - tuberous root
Asparagus - fasciculated root

Question 9

Mechanical support

Answer 9

1. Prop/pillar root
   Banyan (Ficus bengalhensis)
   Peepal (Ficus religiosa)
2. Stilt roots
   Sugarcane (Saccharum)
   Bamboo
   Maize

Question 10

Modifications of adventitious roots for special functions:

Answer 10

1. Floating roots - Jussieae
2. Haustrial roots - Parasitic plants (Cuscuta, Santalum)
3. Epiphytic roots - Orchids ( Vanda, Dendrobium) - Aerial; hygroscopic tissue c/d velamen