Soil - 3 Online Test

Back

Soil - 3

Description: Soil
Number of Questions: 20
Created by: Sanjiv Memon
Tags: Soil Knowledge of Components and Characteristics of Each Layer of Soil Properties of Soil Remembering Different Types of Soil Based on Particle Size Understanding the Process of Formation of Soil Understanding Type of Soil Required for Different Crops Hormones Present in Our Body Apart From Sex Hormones Sex Determination in Humans

Start the Quiz

Which of the following field of science deals with the study of soil?

Entomology
Soil biology
Pedology
Aerobiology

Which of the following terms describes the percentage of pore space in soil?

Humidity
Porosity
Water holding capacity
Pore capacity

Which of the following factors does not contribute in the improvement of quality of soil?

Manures
Soil organisms
Afforestation
Overgrazing

What type of particles is gravels?

Sand particles
Coarse particles
Large smooth particles
Clay particles

What does soil profile means?

Types of soil
Salinity of soil
Composition of soil
Layers of soil

What will be the nature of soil with pH 7?

Alkaline
Acidic
Neutral
Alluvial

Select the incorrect statement:

Humans can impact soil formation by removing vegetation.
Microorganisms help in increasing the soil fertility
Vegetation cannot prevent soil erosion
Growth of plants is affected by the density and pH of the soil

Which of the following processes is not correct in respect to soil formation?

It is a very slow process.
Tiny rock particles are mixed with humus.
Rocks are breakdown by the action of heat, wind and water.
Plant roots do not play any role in the formation of soil.

Which of the following factors contribute to different colours of the soil?

Soil erosion
Soil mineralogy
Soil biodiversity
Microorganism

Select the correct order of size of rock particles found in the soil.

sand < gravel < cobble
gravel > cobble > sand
sand > cobble > gravel
cobble > sand > gravel

Which of the following characteristics hold true for clay?

It is a mixture of large and small rocks.
It contains adequate air space.
It contains less humus.
It has a good water holding capacity.

Which of the following metal is present more in red soil?

Calcium
Magnesium
Iron oxide
Copper

Which of the following type of soil is also known as cotton soil?

Red soil
Black soil
Desert soil
Laterite soil

Which of the following characteristic is found mainly in laterite soil?

It is found in typical rainy climate.
It has a basic pH.
It contains more humus.
It is rich in calcium, potassium and nitrogen.

Which of the following factors does not cause soil pollution?

Dumping of plastic and glass objects
Use of pesticides
Hybridisation
Spraying of insecticides

How do the gravels form?

By the erosion of cobbles
By rivers
By erosion of rocks
By ocean

Which of the following is the most fertile layer of soil?

Top soil
Subsoil
Bedrock
Parent rock

Soil erosion can be prevented by which of the following methods?

Afforestation
Overgrazing
Forest fires
Frequent floods

What should be added to soil if it is alkaline in nature?

Lime
Calcium Carbonate
Peat
Water

Match the following ||| |---|---| | (A) soil| (i) iron| | (B) black/ brown soil | (ii) clay| | (C) soil texture| (iii) electrical resistivity | | (D) red soil| (iv) manganese |

(A) - (ii), (B) - (i), (C) - (iii), (D) - (iv)
(A) - (i), (B) - (ii), (C) - (iii), (D) - (iv)
(A) - (i), (B) - (ii), (C) - (iv), (D) - (iii)
(A) - (iii), (B) - (iv), (C) - (ii), (D) - (i)

- Hide questions

Soil - 3

Find more quizzes from top tags