Home
Class 11
BIOLOGY
Read the given statement and select the ...

Read the given statement and select the correct option. Statement-1: Soil serves as a reservoir of essential elements.
Statement-2: Soil develops, over the years, through physical and chemical weathering of rocks.

A

both statements 1 and 2 are correct.

B

Statement 1 is correct but statement 2 is incorrect

C

Statement 1 is incorrect but statement 2 in correct.

D

Both statements 1 and 2 are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
A

Soil seves as a reservoir of essential elements. More than sixty essential elements are found in soil. It is the upper weathered humus containing part of Earth's surface which sustains terrestrial plant life. Weathering or breaking of rock into fine powder can occur due to atmospheric changes, mechanical forces, chemical changes and biological breakdown over the years.
Promotional Banner

Similar Questions

Explore conceptually related problems

Read the given statements and select the correct option Statement-1: Volvox forms spherical colony. Statement-2: Volvox colony is made up of non-motile cells.

Read the given statements and select the correct option Statement-1: Each sperm of moss has two flagella. Statement-2: Water is essential for fertilisation in mosses.

Read the given statements and select the correct option. Statement 1: Ethylene is a gaseous hormone. Statement 2: Ethylene causes climacteric ripening of fruits.

Read the following statements select the correct option. Statement 1 : Ranikhet disease is a disease of poultry. Statement 2: It is caused by a virus.

Read the given statements ad select the correct option. Statement-1: Main plant body of bryophytes is sporophytic. Statement-2: Main plant body of pteridophytes is gametophytic

Read the given statements and select the correct option. Statement 1: Herbivours are also called as first order consumers. Statement 2: Herbivores obtain their food directly from plants.

Read the given statements and select the correct option Statement-1: Bryophytes are amphibians of plant kingdom. Statemnet-2: They live in soil but depend on water for sexual reproduction.

Read the given statements and select the correct option. Statement 1: Pollination by bats is known as chiropterophily. Statement 2 : Pollination by ants is known as ornithophily.

Read the given statements and select the correct option. Statement 1: Major reservoirs of phosphorus are phosphate rocks and fossil bone deposits laid down in the past geological ages. Statement 2: During weathring of rocks, minute amounts of these phosphates dissolve in soil solution and are absorbed by the roots of the plants. A. Both statements 1 and 2 are correct. B. Statement 1 is correct but statement 2 is incorrect. C. Statement 1 is incorrect but statement 2 is correct. D. Both statement 1 and 2 are incorrect.

Read the following statements and select the correct option Statement 1: Virus are inert crystalline structure outside a living cell. Statement 2 : Virus are cellular organisms.