Question

Choose the correct answer
Which layer of soil is infertile?
1.
a. O-horizon
c. B-horizon
b. C-horizon
d. A-horizon
2.Which type of plant can grow in sandy soil?
a. Cotton
c. Pulse
b. Cactus
d. Both a. and b.​

Answer 1

First answer =A-horizon

Second answer =both a and b

Answer 2

${\huge{\mathcal{\red{1.\:C-horizon}}}}$

C-horizon is a zone of little humus thus it is infertile .

${\huge{\mathcal{\red{2\:.cactus}}}}$

Most cacti and succulents grow in well-drained sandy soil.