Science
If pea plants with round and green seeds (RRyy) are crossed with pea plants having wrinkled and yellow seeds (rrYY), the seeds developed by the plants of F1 generation will be :
options
- 50% round and green
- 75% wrinkled and green
- 100% round and yellow
- 75% wrinkled and yellow
Related Questions
The plant hormone whose concentration stimulates the cells to grow longer on the side of the shoot which is away from light is :
options
- Cytokinins
- Gibberellins
- Adrenaline
- Auxins
The correct/true statement(s) for a bisexual flower is/are :
(a) They possess both stamen and pistil.
(b) They possess either stamen or pistil.
(c) They exhibit either self-pollination or cross-pollination.
(d) They cannot produce fruits on their own.
options
- (a) only
- (d) only
- (a) and (c)
- (a) and (d)
Mirror ‘X’ is used to concentrate sunlight in solar furnace and Mirror ‘Y’ is fitted on the side of the vehicle to see the traffic behind the driver.
Which of the following statements are true for the two mirrors ?
(a) The image formed by mirror ‘X’ is real, diminished and at its focus.
(b) The image formed by mirror ‘Y’ is virtual, diminished and erect.
(c) The image formed by mirror ‘X’ is virtual, diminished and erect.
(d) The image formed by mirror ‘Y’ is real, diminished and at its focus.
options
- (a) and (b)
- (b) and (c)
- (c) and (d)
- (a) and (d)