Biology 12th Class Unit 26 Ecosystem Solved MCQs

Biology 12th Class Unit 26 Ecosystem Solved MCQs.Some of the most important ecosystems covered in Class 12 Chapter 26’s MCQs. All multiple-choice questions were taken from previous FSC Board examinations. a few questions based on the 26th chapter of the second year of biology.

Some of the Biggest Ecosystems in Class 12 Unit 26 MCQst

The productivity can be determined by the following: (LHR. GI, 2015)
A) The consumption of carbon dioxide; B) the evolution of carbon dioxide; C) the consumption of oxygen; and D) the evolution of nitrogen dioxide

The amount of photosynthesis that occurs in an aquatic habitat is proportional to the amount of light as well as: (SGD. GI, 2015)
1) Carbon Dioxide, 2) Temperature, 3) Nutrients, 4) Water, 5)

In this location, there is not enough light to sustain photosynthesis: (BWP. GI, 2015) (BWP. 2018)
(A) Zone of the Littoral (B) Zone of the Limnetic (C) Zone of the Profundal (D) Zone of the Phytoplankton

In a lake of freshwater, the zone that is teeming with life is referred to as: (DGK. GII, 2014)
(A) Littoral Zone (B) Limnetic Zone (C) Profundal Zone (D) Desert

Which of the following best describes the biome, known for its exceptionally fertile soil, plenty of organic matter, and high capacity to hold water? (RWP. GI, 2014)
(A) Forest of the Alpine Region (B) Forest of Deciduous Temperate Climate (C) Grassland (D) Desert

The names given to coniferous forests that are found at high latitudes are as follows: (SGD. GI, 2014)

(LHR. GII, 2015)
(A) the Alps, (B) the boreal, and (C) the taiga (D) Prairies

The following places in Pakistan are home to temperate deciduous forests: (GRW. GII, 2015)
The answers are: A) Shogran, C) Mionwali, and D) Sind.

The names for the coniferous forests in the north are: (GRW. GI, 2014)

(DGK. GII, 2015)
A) the Alpine region B) the Boreal region C) the Taiga region D) the Prairies

(MLN. GI, 2014)(DGK. GI, 2016) A coniferous forest that is found at a high altitude is referred to as: (SGD. 2018)
(A) Tundra (B), Boreal (C), Alpine (D), and Arctic (E)

There is a significant terrestrial ecology in Chilas, including: (GRW.G1, 2017)
The answer is (A) a grassland; (B) an alpine forest; (C) tundra; and (D) a deciduous woodland.

The following are the characteristics of layering: (DGK. GII, 2016)
(A) Tundra (B) Desert (C) Taiga (D) Grassland

The biological name for these animals is the Macaca mulatta (AJK. GI, 2016)
(A) American black bear (C) white-tailed deer (D) rhesus monkey

The rate of primary generation in grasslands that experience moderate climates is approximately: (FBD. GI, 2016)
(A) 700-1400 g/cm?
(B) 700-1600 g/cm
(C) 700-1800 g/m²
(D) 700-1500 g/w2

Other names for grasslands that lack woody plants include the following: (BWP. GI, 2014)
A Prairies (B) Savanna (C) Alpine (D) Chilas Boreal Boreal Chilas Boreal Cat

The environment of the desert in Sindh is referred to as: (RWP. GI. 2016)
(A) Thar (B) Thai (C) Sahara (D) Gobi

The following categories of biomes have become more prevalent in Arctica as a direct result of human activities: (MLN. GI, 2015XL.NR. GII. 2016)
The answers are: (A) Grassland; (B) Tundra; (C) Coniferous Forests; and (D) Desert.

Which of the following types of ecosystems has the smallest percentage of its soil composed of nutrients? (AJK. GI. 2015)
(A) Desert (B) Forest (C) Savanna (D) Grass Land

The name given to the desert environment that is found in Bhakkar and Mianwali is: (LIR.CI. 2014). (MLN. GII. 20173RWP. 2018)
A is for Thar, B is for Thal, C is for Cholistan, D is for Rohi

A succulent plant is able to store water in its tissue in two ways: (LHR. GI, 2017)
The answers are: A) Cacti, B) Moss, C) Yarrow, and D) Spruce.

Which of these does not belong to the desert? (LIIR. GI, BWP. GI, 2017)
(A) Thai (D) Taiga (B) Thar (C) Sahara

The Karakoram Mountains can be found in Pakistan’s three most important terrestrial ecosystems, which are as follows: (GRW.GI, 2016)
A grassland, B an alpine forest with conifers, and C a deciduous woodland in a temperate climate (D) Tundra

The mountains that are home to the Tundra Ecosystem include: (GRW.GI, 2015).
(A) Karakoram (B) Hindukush (C) Sulaiman (D) Both A and B

Because of its relatively brief growing season, the following biome is possibly the most fragile of all the others:
(DGR. GI, 2014) A) Tundra B) Desert C) Grassland D) Temperate Deciduous forest A) Tundra B) Desert C) Grassland D) Desert

The arctic tundra can be found in the northernmost regions of North America and Europe, as well as in: (LHR. GI, 2018)
Cyprus (A), Siberia (B), Morocco (C), and Nepal (D) are the correct answers.

The following is the scientific name for the leopard cat: (LIIR. GII, 2018)
(A) Felis-Domestica; (B) Felis-leo; (C) Felis pardous; and (D) Felis bengalensis

The rhesus monkey is referred to by its scientific name, which is: (FSD. 2018)
A Macaca muleta \s(B) (B) (C) Felis catus (D) Solenorctor tibetanus are the correct answers.

Plants native to desert environments, such as cacti and euphorbia, are able to store water in their: (MLN. 2018)
(A) Leaves with fleshy tissue
(B) Buds made of flesh

Stems and roots made of flesh (D)

The following are examples of plants that are common in deciduous forests: (DGK. 2018)
(A) Cactus (B) Euphorbia (C) Acacia (D) Taxus baccata

There is not enough light to sustain photosynthesis in this environment; (AJK. 2018)
(B) Limnetic zone (C) Profundal zone (D) Phytoplankton zone

some significant ecosystems

Brief Answers Unit 26:

Important multiple choice problems from the unit on Some Major Ecosystems found in the 12th grade FSC Biology textbook

Describe what it means for an ecosystem to be productive.
Name four ways in which plants and animals have adapted to survive in the terrestrial ecosystem.
Differentiate between plains and savanna.
Define desertification?
Define Biome.
What is meant by the term eutrophication?
Make a distinction between the weather and the climate.
What exactly are the concepts of Thal, Cholistan, and Thar?

several significant ecosystems brief questions from earlier publications.

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