Download App

Morphology of Flowering Plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYMorphology of Flowering Plants2 Marks
Question
Differentiate between.
Spike and spadix.
✓

Answer

Differences between spike and spadix are as follows:
  
Spike
Spadix
i.
 A spathe-like covering is absent. The inflorescence is covered by a large bract called spathe.
ii.
 The peduncle is nonfleshy. The peduncle is fleshy.
iii. The whole penducle is covered by flowers. The apical part of peduncle, called appendix, is naked, i.e., without flowers. 

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 "2 Marks Questions" from Morphology of Flowering Plants→Morphology of Flowering Plants — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Which of the following is a pseudocoelomate?
  1. Platyhelminthes.
  2. Aschelminthes.
  3. Mollusca.
  4. Hemi-chordates.
→
What are trimerous flowers? Which group of plants has trimerous flowers?
→
Differentiate between cytotaxonomy and chemotaxonomy.
→
Write two differences between algae and fungi.
→
Describe the role of alcohol and caffeine in the concentration of urine.
→
Write the full names and functions of the following hormones : (i) M.S.H. (ii) A.C.T.H.
→
Define vital capacity. What is its significance?
→
Explain briefly the following terms with suitable examples:-
diplontic
→
Answer briefly:
How do you perceive the colour of an object?
→
Cyclic photophosphorylation results in the production of ATPs and not NADPH. Give reasons.
→