عمرو محمد عبد الجليل

نتيجة الإختبار - G10 Ch3 GE

اسم الطالب : عمرو محمد عبد الجليل

المدينة : دمياط

Sunday , 8 December 2024 - 11:11 PM

2 من 15

السؤال - 1

Which of the following factors leads to reducing the plant productivity in some agricultural areas that are near to a rainy industrial city?

Using organic fertilizers.
Diffusion of oxygen gas in the air.
The deficiency of calcium and magnesium minerals.
Acids deficiency in the soil.
?>

إجابة خاطئة

السؤال - 2

Which of the following hinder(s) the absorption of the plant to nutrients?

Organic fertilizers.
The presence of humus.
Mono-crops cultivation.
The soil compaction.
?>

إجابة خاطئة

السؤال - 3

Which of the following elements its deposition in the soil may increase by decreasing the pH value?

Calcium.
Aluminum.
Sodium.
Magnesium.
?>

إجابة خاطئة

السؤال - 4

The cancer risk increases among the population of agricultural areas neighboring to…..

oil refineries
fish farms
fertilizer factories
poultry farms
?>

إجابة خاطئة

السؤال - 5

Chemical weathering of soil minerals is more obvious in rainy areas that are near to…..

industrial factories
dense forests
agricultural lands
arid deserts
?>

إجابة خاطئة

السؤال - 6

The study of the soil is concerned with all of the following, except…….

the way of soil formation
the way of forming the rocks that make up soil
the sizes of soil grains and the pores among them
the effect of the soil on organisms that live in it
?>

إجابة خاطئة

السؤال - 7

All of the following is a source for natural fertilizers, except ....

agricultural waste
animal waste
oil waste
organic materials in garbage
?>

إجابة خاطئة

السؤال - 8

What is the role of soil in supporting the plant life?

Absorbing carbon dioxide.
Absorbing sunlight.
Providing nitrogen for plants.
Storing heat energy.
?>

إجابة خاطئة

السؤال - 9

The activity of saprophytic bacteria and fungi on plant roots increases due to the ….

decrease of water percentage in the soil
increase of water percentage in the soil
increase in the soil fertility
use of organic fertilizers
?>

إجابة خاطئة

السؤال - 10

Following agricultural cycles, directly treat the problem of …….

desertification
drought
decreasing the soil fertility
the soil erosion
?>

إجابة صحيحة

السؤال - 11

Which of the following elements increases the strength of the plant roots?

Nitrogen.
Phosphorus.
Calcium.
Potassium.
?>

إجابة صحيحة

السؤال - 12

Secondary minerals are produced in the soil by the influence of all the following, except……..

earthworms
acid rain
temperature fluctuations
oxidation of rocks
?>

إجابة خاطئة

السؤال - 13

The ability of plants to absorb potassium in the soil of a rainy area decreases due to…..

the decrease of calcium
the decrease of nitrogen
air pollution by sulfur trioxide
using alkaline fertilizers
?>

إجابة خاطئة

السؤال - 14

Which of the following decreases the pH of rain?

The reaction of nitrogen oxide with water vapor.
The decomposition of carbonic acid.
The dissolving of sodium chloride salt in water.
The reaction of calcium carbonate with carbon dioxide.
?>

إجابة خاطئة

السؤال - 15

What is the dense soil that is poorly aerated and highly retains water?

Silt soil.
Humic soil.
Clay soil.
Sandy soil.
?>

إجابة خاطئة