Biology
Assertion (A): Dioecious plants bear hermaphrodite flowers on different plants.
Reason (R): Dioecious plants bear staminate and pistillate flowers on the same plant.
- 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
A biology teacher asked her students to give two examples of dioecious plants.
Ishan said: Maize and Palm.
Aashish said: Pumpkin and Papaya.
Palak said: Palm and Papaya.
Payal said: Pumpkin and Maize.Who was correct?
- Ishan
- Aashish
- Palak
- Payal
Assertion (A): All the flowers of angiospermic plants are complete or perfect.
Reason (R): Angiospermic flowers contain all the four floral whorls — Calyx, Corolla, Androecium and Gynoecium.
- 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): The kind of androecium in which the stamens are united in one group by their filaments is termed as Monadelphous.
Reason (R): Monadelphous stamens are found in Pea and Bombax flowers.
- 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): The most attractive, colourful part of a flower is calyx.
Reason (R): Calyx is the whorl of sepals which protects the young flower bud. Calyx, when green, also performs photosynthesis.
- 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.