Download App

STD 12 - 11. organisms and populations — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 11. organisms and populations1 Mark
MCQ
Pneumatophores have lenticels for
  • A
    Excretion
  • ✓
    Gaseous exchange
  • C
    Reproduction
  • D
    All of these
✓

Answer

Correct option: B.
Gaseous exchange
b
A number of mangroove plants possess small negatively geotrophic vertical roots called pneumatophores. Pneumatophores have lenticels for gaseous exchange. They are connected with internal arenchymatous tissue. It is a plant adaptation to saline environment

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 "M.C.Q [1M]" from STD 12 - 11. organisms and populations→STD 12 - 11. organisms and populations — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

The two important contributory cause of diseases are ................ and ............... make up.
→
Soil transported by air is
→
The disease chikunguniya is transmitted by:
→
Which technique is used to isolate the cut pieces of DNA by restriction endonuclease technique?
→
The ...... helps in maintaining the low temperature of the testes
→
Correct order is:
→
A disease caused by an autosomal primary non-dis-junction is :
→
Study the following sentences.

$I.$ The cells of malignant tumours divide erratically.

$II.$ They are malignant tumours of epithelial cells.

$III.$ They are malignant tumours of organs that originate from mesoderm.

$IV.$ These tumours are found in organs such as spleen and lymph nodes.

Which of the above are true for angiosarcoma?

→
In humans, schizont stage of Plasmodium is found in
→
By what percentage can the rate of extinction be reduced by special protection to hotspots?
→