Question # 1

In juxtamedullary nephrons additional capillaries extend down to form at.

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Vasa deferontia

Vasa efferetia

Vasa recta

Vasa hecta

The armored mammal that lives only in America is the.

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Armadillo

Echidna

Pengun

Pelvis and leg bones

The perennial plants are bushes or cacti with large shallow root systems in

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Grassland

Deserts

Tundra

Taiga

Identify the day neutral plant.

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Cabbage

Cotton

Tobacco

Cocklebur

Innate behavior is all but;

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Heritable

Intrinsic

Sterotypic

Flexible

Which of the following is NOT recycled in ecosystem?

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Carbon

Sulphur

Energy

Water

Which of the following NOT dispose off a type of waste directly to the environment?

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Digestive system

Respiratory system

Circulatory system

Urinary system

Oxytocin is secreted by the endocrine gland named:

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Pituitary gland

Thyroid gland

Parathyroid gland

Adrenal gland

Galls are growth on a plant that are induced by

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Ticks

Protozoons

Parasites

Fungi

In the eighteenth century organisms were classified by

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Charles Darwin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

Littoral invertebrate animals include

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Small crustaceans

Insect larvae

Snail flatworms

All a,b,and c

The skeletal muscles are attached with the bones through the.

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Tendon

Ligament

7-Line

Cross bridge

The total gestation period in human female is usually about.

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280 days

280 week

28 months

360 days

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

Cell cycle involves.

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Growth of cell

Replication of DNA

Cell division

None of these

Activation of sweat glands to produce sweat from evaporative cooling is a type of adaptation.

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Structural

Physiological

Behavioural

None of these

Chromosomes appear inside the nucleus at the time of.

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Cell division

Cell maturation

Cell elongation

Cell differentiation

Vehicle for transport of male gamete in land plants is

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Water

Pollen tube

Pollen grain

Wind

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