Download App

Biological Classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification3 Marks
Question
Write any four differences between phycomycetes and ascomycetes.
✓

Answer

S.No.
Phycomycetes
Ascomycetes
1.
Hyphae are aseptate and coenocytic.
Hyphae are septate and branched.
2.
A sexual spores are zoospores sporangiospores (aplanospores).
Asexual spores are or conidia.
3.
Asexual spores are formed endogenously within the sporangia.
Asexual spores are formed exogenously on conidiophore
4.
No dikaryophase is seen.
A dikaryophase is seen in some.
5.
No fruiting body is ascocarp is formed.
A fruiting body, formed.

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 "3 Marks Question" from Biological Classification→Biological Classification — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

The number and kinds of organism is not constant. How do you explain this statement?
→
In which fields taxonomical aids are helpful? Why taxonomic aids are used in these studies? Which different taxonomical aids are used by the biologists?
→
Describe the nervous system of cockroach.
→
What is the tertiary structure of protein?
→
The essential functions of roots are anchorage and absorption of water and minerals in the terrestrial plants. What functions are associated with the roots of aquatic plants? How are the roots of aquatic plants and terrestrial plants different?
→
Describe the structure of Brain.
→
Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand, and bacteria on the other hand.
→
‘Peat’ is an important source of domestic fuel in several countries. How is ‘peat’ formed in nature?
→
In the biology class, one of the student named Atul asked the importance of biologicalclassification. The biology teacher explained that it was required by the taxonomists for the better understanding of living world in systematic and simplest manner.
  1. Explain the term biological classification.
  2. What is its need?
  3. What are the objectives of biological classification?
  4. What are the values shown by Atul?
→
A group of plants lacks photorespiration. Answer the following questions based on these plants.
  1. Which cells in the plant have RuBisCO?
  2. Does photorespiration occur in these plants?
  3. In which cells the CO2 fixation initially occurs.
→