Download App

Anatomy of Flowering Plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYAnatomy of Flowering Plants5 Marks
Question
What is the difference between lenticels and stomata?
✓

Answer

Differences between lenticels and stomata are as follows:
  Lenticels   Stomata
i.
These are formed due to loosening of the epidermal and cortical tissue.
i.
Stomata rae specialized epidermal cells.
ii.
Lenticels are usually found in the stem.
ii.
Stomata are usually found on the surface of leves.
iii.
Guard cells are absent.
iii.
Guard cells are present.
Iv.
The opening of lenticels is not regulated.
iv.
Opening of stomata is regulated.
v.
Facilitates removal of waste.
v.
Facilitates exchange of gases.

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 "5 Marks Questions" from Anatomy of Flowering Plants→Anatomy 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

Define and explain the process of fermentation in animals, yeast and bacteria.
→
Give a comparative account of Gymnosperms and Angiosperms.
→
Define cell. Explain the difference between prokaryotic cell and eukaryotic cell.
→
Write short note on retina.
→
Write short notes on following:
  1. Malpighian tubules.
  2. Excretion in Frogs.
  3. Economic importance of cockroach.
  4. Glandular Epithelium.
  5. Neuron.
→
Vidhi attended the guest lecture on photosynthesis with her biology teacher. Guest for the seminar explained the basic functioning of chloroplast in the photosynthetic processes. As students from different schools attended the seminar. The guest for the lecture asked all students to put forward their queries regarding the topic. Vidhi stood up and asked him that, she is unable to understand the division of labour in the chloroplast. He appreciated her doubts and explained her about the same.
  1. What do you understand by the division of labour in chloroplast?
  2. How the different pigments are involved in photosynthesis?
  3. What is the significance of photosynthesis for animals?
  4. Elucide the value shown by Vidhi as a good biology student?
→
Bring out the differences between plant cells and animal cells.
→
List five main groups of natural plant growth regulators. Write a note on discovery, physiological functions and agricultural/horticultural applications of any one of them.
→
Briefly describe the hormones secreted by the thyroid gland and the diseases caused by their irregular secretion.
→
What is a semi-technical description of a flowering plant?
→