Home
Class 11
BIOLOGY
Assertion : Mosses squeeze out the liche...

Assertion : Mosses squeeze out the lichens in primary ecological succession.
Reason : Being taller and gregarious, the mosses kill the lichens with their shade.

A

If both A and R are true and R is the correct explanation of A.

B

If both A and R are true but R is not the correct explanation of A.

C

If A is true but R is false.

D

If both A and R are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ECOSYSTEM

    PRADEEP|Exercise Multiple choice question|82 Videos
  • DIGESTION AND ABSORPTION

    PRADEEP|Exercise CURIOSITY QUESTIONS|6 Videos
  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    PRADEEP|Exercise Curiosity Questions|7 Videos

Similar Questions

Explore conceptually related problems

Reindeer moss is a lichen named

Assertion: Mosses are of great ecological importance. Reason: Mosses prevent soil erosion by forming dense mat on the soil

Assertion : Lichens and mosses are said to form the pioneer community in xerarch succession. Reason : It is because these species get established later, during the course of succession.

Assertion : Lichen is important for chemical industries. Reason : Litmus and Orcein are formed from lichens.

Assertion: Mosses are used as pollution indicators. ltbr. Reason: They absorb metals.

Assertion : Lichens are a pioneer community in the temperate region. Reason : Blue-green algae grow as the pioneer community in the tropical region.

Assertion: Mosses are evolved from algae. Reason: Protonema of mosses is similar to some green algae.

Assertion : Bryophytes are of great ecological importance. Reason: Bryophytes help in colonisation (succession) on bare rocks/soil.

Assertion: Crustose lichens, in a lithosere, secrete organic acids causing the weathring of rocks so that minerals essential for proper growth of lichens are released. Reason: Early colonists in a primary suceession are usually lichens, which suggests that colonisation is easier when an organism has a mutualistic association.