Biology
Assertion (A): Fruit is the enlarged ripened ovule which protects the seeds.
Reason (R): Fruits develop from the ovary of the pistil after the process of pollination and fertilization. Ovarian wall forms the pericarp.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Related Questions
The kind of germination in which the cotyledons remain underground is :
- Viviparous germination
- Epigeal germination
- Vegetative germination
- Hypogeal germination
Seeds germinate in two ways. The type in which the cotyledons remain underground is called (P) …………… germination. During this type of germination, the (Q) …………… elongates faster.
- P — Epigeal, Q — Hypocotyl
- P — Epigeal, Q — Epicotyl
- P — Hypogeal, Q — Epicotyl
- P — Hypogeal, Q — Hypocotyl
Assertion (A): Dicotyledonous seeds are always exalbuminous (non-endospermic).
Reason (R): All dicotyledonous seeds contain two cotyledons which store food material for the developing embryo.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Micropyle is the opening through which the pollen tube enters the ovule.
Reason (R): Micropyle helps in the diffusion of respiratory gases for the growing embryo.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.