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Question-1
The first trophic level refers to:
(A)
all animals
(B)
all herbivores
(C)
sunlight
(D)
all green plants
Question-2
Which of the following is a secondary consumer?
(A)
A carnivore
(B)
A herbivore
(C)
A plant
(D)
All of the above
Question-3
Which is a more accurate way of dating rocks, absolute or relative dating?
(A)
Absolute dating
(B)
Relative dating
(C)
They are equally accurate
(D)
Both are inaccurate?
Question-4
The climate of a given region is:
(A)
The average temperature and precipitation conditions
(B)
Its weather
(C)
Average temperature and precipitation conditions for every day of the year in a given region
(D)
Its weather patterns
Question-5
A biomass pyramid is important because it illustrates:
(A)
The biomass of all organisms at each trophic level in a system
(B)
How energy flows through a food web
(C)
The number of species in each trophic level
(D)
The number of trophic levels in a system
Question-6
The major reservoir for phosphorus.
(A)
Aquifers
(B)
Soil and rocks
(C)
The atmosphere
(D)
The sun
Question-7
Elements such as calcium, potassium, and phosphorus, needed by the plant in fairly large amounts are called:
(A)
Fertilizers
(B)
Coenzymes
(C)
Macronutrients
(D)
Enzyme activators
Question-8
The macronutrient, _______________ , is important to the operation of stomata.
(A)
Magnesium
(B)
Manganese
(C)
Sulfur
(D)
Potassium
Question-9
Which of the following chemicals enters living organisms primarily from the atmosphere rather than from rocks or soil?
(A)
Calcium
(B)
Sulfur
(C)
Sodium
(D)
Carbon
Question-10
Which role is not performed by bacteria in the nitrogen cycle?
(A)
Fixing nitrogen
(B)
Changing urea to ammonia
(C)
Turning nitrates into nitrogen gas
(D)
Changing nitrates to ammonia
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Cambridge Secondary Grade 10
IGCSE
Practice in Related Chapters
Feeding
Cells and Tissues
Ecosystems
Population
Transport in Plants
The Chemicals of Living Cells
Sensitivity
Energy For Respiration
How Substances Get In and Out of Cells
Photosynthesis and Nutrition in Plants
Plant Structure and Function
Food and Diet
The Interdependence of Living Organisms
The Human Impact on the Environment
The Blood Circulatory System
Digestion, Absorption and Use of Food
Breathing
Excretion and the Kidneys
Human Reproduction
Reproduction
Classification
Conservation
Micro Organisms
Reproduction in Flowering Plants
Movement and Locomotion
Growth and Development
A Sexual Reproduction and Cloning Plants
The Skeleton, Muscles and Movement
The Senses
Co-ordination
Personal Health
Disease: cause, transmission and control
Genetics
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