Question 1 - MCQs from (Past Year Papers & NCERT Exemplar) - Chapter 8 Class 10 - How do Organisms Reproduce?

Last updated at April 16, 2024 by

A feature of reproduction that is common to Amoeba, Spirogyra and Yeast are that

(a) they reproduce asexually.

(b) they are all unicellular.

(c) they reproduce only sexually.

(d) they are all multicellular.

 

Answer:

Now,

  • Amoeba reproduces by Binary fission.
  • Spirogyra reproduces by Fragmentation.
  • Yeast reproduces by Budding.

BINARY FISSION IN AMOEBA - Teachoo.png

FRAGMENTATION IN SPIROGYRA - Teachoo.png

BUDDING IN YEAST - Teachoo.png

Binary Fission, Fragmentation and Budding are all means of asexual reproduction.

So, the correct answer is (a) - they produce asexually.

Transcript

BINARY FISSION IN AMOEBA Parent Cell Nucleus Divides Cytoplasm Divides Two Daughter Cells FRAGMENTATION IN SPIROGYRA Nucleus Septa Spiral Chloroplast BUDDING IN YEAST Parent Yeast Cell Nucleus Forming of bud Cytoplasm Divides Bud with nucleus Daughter Yeast Chain of yeast cells formed Parent Yeast

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