- 1(current)
Q. No.Identify the incorrectly matched pair:
|
1. |
Triploid nutritive tissue of a seed deposited externally to the embryo sac |
Perisperm |
|
2. |
The tissue that arises from the ripened ovary wall of a fruit; the fruit wall |
Pericarp |
|
3. |
The natural or artificially induced production of fruit without fertilisation of ovules |
Parthenocarpy |
|
4. |
Asexual reproduction where the growth and development of embryos occur without fertilization by sperm |
Parthenogenesis |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Three air-dried bean seeds are tied to a glass slide with two [A and C in the fig.] at the two ends and one [B] in the middle. This slide is placed in a beaker with the middle seed half immersed in water as shown in the fig. The water level is kept constant throughout the experiment. Which seed/s is/are expected to germinate normally?
| 1. | Only A | 2. | Only B |
| 3. | Only B and C | 4. | Only A and C |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Seed formation is a more dependable reproductive strategy in angiosperms because:
| 1. | Pollination and fertilization are independent of water |
| 2. | Seeds have better adaptive strategies for dispersal |
| 3. | Seeds have sufficient food reserves |
| 4. | New genetic combinations are generated during seed formation |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. The process is more dependable
2. Better adaptive strategies for dispersal
3. Protection of the young embryo
4. Genetic uniformity
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| Statement I: | A is pericarp. |
| Statement II: | B is the cotyledon of the monocot seed. |
| Statement III: | C is triploid in nature and develops before B. |
| 1. | Only Statement I is correct |
| 2. | Only Statement II and Statement III are correct |
| 3. | Only Statement II is correct |
| 4. | Only Statement III is correct |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
| Assertion (A): | Seed is the basis of our agriculture. |
| Reason (R): | Dehydration and dormancy of mature seeds enable them to be stored and used as food throughout the year and also to raise the crop in the next season. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The Plant is:
1. Lupinus arcticus
2. Phoenix dactylifera
3. Cycas revoluta
4. Gnetum
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.