Angiosperm

Question 1

Characters of Angiosperm :

Answer 1

• Saprophytic plant body
• Presence of Vascular bundles
• Sexual reproduction by anther and stigma
• Show double fertilization and have triploid endosperm
• Seed are enclosed in fruit

Question 2

Dicot and Monocot Plants :

Answer 2

Dicot :
- Tap root
- Reticulate venation
- two cotyledon
Eg : Pea, Potato
Monocot :
- Adventitious root
- Parallel venation
- One cotyledon
Eg : Rice, maize

Question 3

Annual, Biennial and perennial plants

Answer 3

Complete lifecycle in 1, 2 and more than 2 years

Question 4

Root :

Answer 4

• Generally, non green underground or descending axis of plant body that develops from radicle of embryo.

Question 5

Tap root :

Answer 5

The root that develops directly from the radicle of embryo consisting of primary root and secondary root is taproot.

Question 6

Modifications of Tap root :

Answer 6

1. Fusiform root (Radish)
2. Napiform root (Turnip)
3. Conical root (Carrot)
4. Nodulated ( Pea )

Question 7

Adventitious root :

Answer 7

Root that develops from any other part than radicle is adventitious root.

Question 8

Types of adventitious root :

Answer 8

1. Fibrous root
2. Prop root ( Hanging roots )
3. Reproductive root
4. Parasitic root