Question # 1

In aquatic ecosystem , near shore zone is called.

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Limnetic zone

Littoral zone

Profundal zone

Benthic zone

Fertilizations is the process which leads to the union of.

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Individuals

Gametes

Eggs

Sperms

Liver acts as store house of.

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Bile

Albumin

R.B.Cs

Iron

In each case succession is initiated by a few hardy invaders called.

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Starters

Pioneers

Decomposers

Climax community

The two different places of DNA joined together is called as.

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Dimeric DNA

Chimeric DNA

Trimeric DNA

Tetrameric DNA

The receptor cells of Planaria are sensitive to.

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Light and pressure

Light pressure and touch

Touch , pressure and chemicals

Light, pressure, touch and chemicals

The mesodermal cells do not invaginate but migrate medially and caudally from both sides and create a midline thickening called.

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Hensen's node

Primitive streak

Hypoblast

epiblast

Environmental factors causing abnormal development are grouped together as.

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Toxins

Carcinogens

Teratogens

Mutagens

Apoptosis is.

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Division of cells

Death of cells by tissue damage

suicide of cells

Weakness of cells

Dialyses means

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Removing the blood

Cleaning the blood

Diluting the blood

Storing the blood

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

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Hydrophytes

Xerophytes

Sciophytes

Mesophytes

Nuclear membrane disorganizes at the beginning of

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Prophase 1

Metaphase 1

Anaphase 1

Telophase 1

In xerosere, polytrichum and tortula represent.

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Herbaceous stage

Moss stage

Follage lichen stage

Crustose lichen stage

Clearance of vast areas of forest for lumber planting subsistence crops or grazing cattle is called as

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Deforestation

A-forestation

Forestation

Both a & b

Genetic code is a combination of 3 nucleotides in DNA which specify a particular

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Amino acid

Fatty acid

Vitamin

Steriod

Fertilization of the ovum normal occurs:

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In the upper thrid of the oviduct

In the lower thrid of the oviduct

In the uterus

Can take place succcessfully in vegina

The group of animals whose excretory system is structurally associated with nutritive tract.

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Vertebrates

Earthworm

Insects

Planaria

Cambium is formed in stage.

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One

Two

Three

Four

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