Question # 1

Gaseous exchange through the lungs is called

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Cellular respiration

Pulmonary respiration

Inhalation

Expiration

Terrestrial ecosystem is divided into main types

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Forest

Tropical rain forest

Temperate deciduous forest

Coniferous alpine and boreal forests

Primary wall is composed of

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Cellulose

Cutin

Lignin

Waxes

Which of the following substances provide energy to the body

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Carbohydrates

Fats

Amino acids

All of above

In word ecosystem eco word is related to

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System

Collection

Environment

Habitat

Who hypothesized that the organisms involved through the inheritance of acquired character

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Larmark

Darwin

Hutton

Maltus

Gametes in bryophytes are produced by

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Meiosis

Mitosis

Binary fission

Fragmentation

Sinus venosus in case of fishes receives from the body

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Oxygenated blood

Deoxygenated blood

Both a & b

None

Rounded and wrinkled of seeds and all tall or dwarf plants represents

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Genotype

Genes

Phenotype

Homozygous genotype

If non-protein part is loosely attached with the substrate then it is called

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Co-enzyme

Prosthetic group

Activator

Growth effected by many factors

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Ultraviolet rays

Cathode rays

Anode ray

Gamma rays

When two contrasting pairs of traits are followed together in the same cross alleles in each pair are inherited or assorted independently into gamete's is Mendel's principal of

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Law of segregation

Law of independent assortment

Law of dominance

Law of unit character

Plasmids were discovered by studying the sex life of the intestinal bacterium

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Entamoeba histolytica

Escherichia coli

Anabena

Plasmodium

Cell division number is increased by increasing the

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Intensity of light

Quality of light

Quantity of light

Colours of light

Littoral zone is

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Beyond the shore

Near the shore

Mid the shore

Bottom zone

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