Q10
1 markMCQSection A

The modes of reproduction in Spirogyra and Planaria respectively are

How do Organisms Reproduce?
Modes of Reproduction

Options

(A)Regeneration and budding
(B)Regeneration and fragmentation
(C)Fragmentation and regeneration
(D)Budding and regeneration
Official Answer

The modes of reproduction in Spirogyra and Planaria respectively are fragmentation and regeneration.

fragmentationregeneration

Marking Scheme

  • 11 mark

Hint

Recall the modes of reproduction in Spirogyra and Planaria.

Quick Oral Answer

Spirogyra reproduces by fragmentation, while Planaria reproduces by regeneration.

Analysis & Explanation

Spirogyra reproduces by fragmentation, where it breaks up into smaller pieces that grow into new individuals. Planaria, on the other hand, reproduces by regeneration, where it can regenerate its body parts to form new individuals.

Common Mistakes

  1. 1confusing the modes of reproduction in Spirogyra and Planaria

Interesting Facts

Spirogyra can also reproduce by conjugation, where two individuals exchange genetic material.

Spotted a mistake or something unclear?

Tell us — we fix reported answers fast.

Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2025?

This question carries 1 mark in the CBSE Class 10 Science 2025 examination.

Which chapter does this question come from in Science?

This question is from the chapter "How do Organisms Reproduce?" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "Modes of Reproduction" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2025 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2025 paper.