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Consider the following statements Latera...

Consider the following statements Lateral roots originate
1. Endogenously
2. From pericycle cells
3. Exogencously
4. From endodermal cells
which of these statement are correct ?

A

1 and 2

B

3 and 4

C

1 and 4

D

2 and 3

Text Solution

AI Generated Solution

The correct Answer is:
To determine which statements about the origin of lateral roots are correct, we can analyze each statement one by one. ### Step-by-Step Solution: 1. **Understanding Lateral Roots**: Lateral roots are secondary roots that grow from the primary root. They play a crucial role in anchoring the plant and absorbing water and nutrients. 2. **Statement 1 - Endogenously**: This statement suggests that lateral roots originate from within the plant structure. In fact, lateral roots do originate from the inner layers of the root, specifically from the pericycle. Therefore, this statement is **correct**. 3. **Statement 2 - From Pericycle Cells**: The pericycle is a layer of cells located just inside the endodermis in roots. Lateral roots indeed arise from the pericycle cells. Thus, this statement is also **correct**. 4. **Statement 3 - Exogenously**: This statement implies that lateral roots originate from outside the plant structure. However, as established, lateral roots arise from the inner pericycle, not from an external source. Therefore, this statement is **incorrect**. 5. **Statement 4 - From Endodermal Cells**: This statement suggests that lateral roots originate from the endodermal cells. However, lateral roots do not originate from the endodermis; they originate from the pericycle. Hence, this statement is **incorrect**. ### Conclusion: The correct statements regarding the origin of lateral roots are: - Statement 1: Endogenously (Correct) - Statement 2: From pericycle cells (Correct) - Statement 3: Exogenously (Incorrect) - Statement 4: From endodermal cells (Incorrect) Thus, the correct options are **1 and 2**.
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TRUEMEN BIOLOGY ENGLISH-ANATOMY OF FLOWERING PLANTS -MULTIPLE CHOICE QUESTIONS
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