Download App

Reproduction in Lower and Higher Plants — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYReproduction in Lower and Higher Plants3 Marks
Question
What is asexual reperoduction? Describe fragmentation.
✓

Answer

  1. Production of offspring without involving fusion of two compatible gametes or sex cells is called asexual reproduction.
  2. Fragmentation : It is a type of asexual reproduction observed in lower plants, e.g. algae.
  3. Multicellular organisms break into small pieces called fragments which develop into new plant.
  4. These fragments are formed due to different reasons like accidental breakdown, death and decay of cells, etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions in detail." from Reproduction in Lower and Higher Plants→Reproduction in Lower and Higher Plants — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

What are the signs and symptoms of filariasis?
→
Name the special type of tissue enabling plants like lotus and water hyacinth to survive in aquatic environment. Mention any two specific functions of this tissue?
→
Both host and the parasite tend to co¬evolve, against each other.
→
  1. What do ‘Y and ‘B’ stand for in ‘YAC’ and ‘BAC’ used in Human Genome Project (HGP)? Mention their role in the project.
  2. Write the percentage of the total human genome that codes for proteins and the percentage of discovered genes whose functions are known as observed during HGP.
  3. Expand ‘SNPs’ identified by scientists in HGP.
→
Read the following questions carefully and suggest a suitable word.
  1. Small sacs that form a part of male reproductive system and store spermatozoa.
  2. Small tubes lying on either sides of uterus near the kidney and carry the egg from the ovary to the uterus.
  3. The small erectile organ in females, which lies above the urethral opening and is homologous of glans penis of males.
→
What is solid waste? How is it disposed?
→
What are cyanobacteria? Give any two examples cyanobacteria as biofertilizers.
→
  1. Why did Hershey and Chase use radioactive sulphur and radioactive phosphorus in their experiment?
  2. Write the conclusion they arrived at and how.
→
Give the role of following mycoherbicides:
(i) Phytophthora
(ii) Alternaria
(iii) Fusarium
→
Name the two heart sounds. How and when are they produced?
→