Why do you think there is a need for the conservation of species?

To protect the wildlife and promote biodiversity.

Why is food digestion important?

In order for the body to easily absorb the nutrients.

Which scenario can cause decrease in species diversity?

Conversion of agricultural land to industrial land

Which of the following BEST describes Biodiversity?

Refers to all variety of life found on Earth.

Why do you think it is important to study punett square?

to show the result of the genotypic offspring

What is biodiversity?

It refers to a variety of life in a particular ecosystem.

How do water molecules enter the atmosphere from the bodies of water?

It is through evaporation process.

Which human activity results to biodiversity loss?

Illegal logging and indiscriminate mining

Why are decomposers not presented in the food chain?

Decomposition occurs at any point in the chain.

Which of the following is INCORRECTLY paired with its trophic level?

Zooplankton – secondary consumer

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Questions 30

Answers

1
How would you describe an ecosystem with high biodiversity?
It has reduced food security.
It has speed recovery from natural disaster.
It offers environment for recreation and tourism.
It has support nutrient storage and recycling.
2
Which of the following is the ultimate source of energy on earth?
Tide
Wind
Food
Sun
3
Why do you think there is a need for the conservation of species?
To ensure the continuous performance of all species in the environment.
To protect the environment and population growth.
To ensure future generations availability of energy.
To protect the wildlife and promote biodiversity.
4
What branch of Science that deals with naming and classifying living organisms?
Genetics
Taxonomy
Zoology
Heredity
5
Which of the following is the most abundant element in the atmosphere?
Carbon
Oxygen
Magnesium
Nitrogen
6
Which of the following shows conservation of biodiversity?
Overexploitation
Converting forest land into agricultural land in rapid way.
Increase in the pollution level in the ecosystem.
Removal of exotic species
7
What can you infer to a genotype having a symbol of Rr?
Dominant
Heterozygous
Recessive
Homozygous
8
Why is food digestion important?
In order for the body to easily absorb the nutrients.
to break during digestion to easily release it during the egestion
the nutrients to be transported easily to the different parts of the body.
In order the body to excrete fats easily after digestion.
9
Which organelle is the site for the cell division?
mitochondria
cell wall
golgi body
nucleus
10
Which scenario can cause decrease in species diversity?
Decreasing human population
School Tree planting project
Conservation of all forest areas
Conversion of agricultural land to industrial land
11
Which of the following materials do not cycle up into the atmosphere?
Carbon
Water
Phosphorus
Nitrogen
12
Which of the following BEST describes Biodiversity?
Refers to all habitats found on Earth.
Refers to all variety of genes within species found on Earth.
Refers to all variety of life found on Earth.
Refers to all variety of all species found on Earth.
13
What branch of biology deals with the study of heredity and traits?
Zoology
Taxonomy
Genetics
Heredity
14
Among the four, which is the highest level of taxonomic classification?
Species
Genus
Order
Family
15
What is another name for primary consumer?
Omnivore
Herbivore
Detritivore
Carnivore
16
Why do you think it is important to study punett square?
to show percentage result of both phenotypic and genotypic ratio
to give a partial ratio of phenotypic offspring
to show the result of the genotypic offspring
to show the phenotypic offspring
17
What is biodiversity?
It refers to the variety of species used as food source.
It refers to a variety of life in a particular ecosystem.
It refers to the variety of exotic species.
It refers to the variety of endangered species.
18
Which of the following are the top predators of the food web above?
Goat and Rabbit
Kite and Lion
Lion and Jackal
Wild Cat and Owl
19
How do water molecules enter the atmosphere from the bodies of water?
It is through absorption process.
It is through precipitation process.
It is through evaporation process.
It is through condensation process.
20
Which human activity results to biodiversity loss?
Massive reforestation
Habitat protection
Illegal logging and indiscriminate mining
Conservation of species
21
What plant did Gregor Mendel use in studying the trait of inheritance?
Moss plant
Mongo plant
Gumamela
Pea Plant
22
Which is DNA?
Deoxyrinucleic acid
Deoxynucleic acid
Deoxyrivonucleic acid
Deoxyribonucleic acid
23
The following are considered as biotic factor in an ecosystem, EXCEPT?
Dissolved Oxygen
Nitrogen fixing bacteria
Humans
Plankton
24
Why are decomposers not presented in the food chain?
They are not heterotrophs.
Decomposition occurs at any point in the chain.
Most decomposers are anaerobic.
The organisms should die first before the process can begin.
25
The following contributes to the deposition of Carbon into the atmosphere, EXCEPT.
Photosynthesis
Respiration of animals
Burning of fossil fuel
Volcanic eruption
26
What will happen to the organisms of the second trophic level if the third trophic level is eliminated?
Increase in number.
The organism dies.
Diminish in number.
Occupy the second trophic level.
27
Which process breaks down the food mixed with saliva forming a bolus for swallowing.
assimilation
digestion
mastication
ingestion
28
Which of the following is a natural ecosystem?
Fish pond
Mangrove Forest
Lawn
Rice Paddy
29
Which of the following is INCORRECTLY paired with its trophic level?
Cyanobacteria – primary producer
Eagle – tertiary consumer
Zooplankton – secondary consumer
Grass – primary producer
30
What condition is a result of having 47 chromosomes?
Down's Syndrome
Turner's Syndrome
Alzheimer's Disease
Trisomy 18

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