Question # 1

The living organisms producing their own food.

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Heterotrophs

Consumers

Green plants

Decomposers

One of the following is an example of predator prey relationship

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fungus and alga

Fox and Rabbit

Flower and Insect

Root nodule bacteria

The remoras benefit from this relationship the shark is not affected at all

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Symbiosis

Mycorrhiza

Commensalism

Mutualism

Which of the following is macronutrient.

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Zinc

Iron

Sulphur

Iodine

The stage in which Lichens are just like crumpled leaves attached to one point.

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Moss stage

Crustose Lichen stage

Follage Lichen stage

Shrub stage

In tropical and subtropical grassland rain reaches about

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1500 mm

2000 mm

2500 mm

3000 mm

An association between organisms of different species in which one partner gets benefit and other is harmed.

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Mutualism

Symbiosis

Parasitism

Commensalsim

Biome is a

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Simple community

Complex community

Regional community

Climax community

If population of predator increase then population of prey

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Increases

Decreases

May increase

Has no effect or decrease

In root nodules, the organisms present are.

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Bacteria

Algae

Fungi

Cyapobacteria

The bacteria in the root nodules fix nitrogen and convert it into

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Nitrate

Nitrite

Amino Acid

Ammonia

The term niche was first proposedly joseph Grinnell an American.

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Embryologist

Ecologist

Ornithologist

Physiologist

Pinus wallichiana pinus roxbugil Abies pindrow picea smithiana Cederous deodara are plants of

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Coniferous alpine and boreal forests

Temperate deciduous forests

Tropical rain forests

Grassland ecosystem

Tundra ecosystem is located on Mountains

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Kara-koram

Hindukush

Salman

Both a & b

The macronutrient in biogeochemical cycle is.

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Iron

Iodine

Zinc

Calcium

Which one of the following pairs represents analogous features?

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Elephant tusks & Human incisors

Insects wings & bat wings

Mammal fore limb & bird wing

Reptilian heart & mammalism heart

Symbiotic association of analgaliving within fungus mycelium is known as.

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Mycorrhiza

Lichen

Root Nodules

Parasitism

Mutualism is a type of.

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Symbiosis

Parasitism

Predication

Commensalism

The study of birds is:

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Ornithology

Ichthyology

Herpetology

Entomology

The leaves with very small surface area, are found in.

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Hydrophytes

Xerophytes

Sciophytes

Mesophytes

Soilerosion, fire and water percolation down through the soil cause loss of.

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Sulphates

Carbonates

Phosphates

Nitrates

Water is stored for use during the period of drought in fleshy stems of

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Cacti

Euphoribia

Both a & b

None of these

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