Question # 1

The populations that live in a habitat nad interact with one another are collectively called:

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Biosphere

Ecosystem

Community

Species

What do some bones produce?

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Mucous

Harmones

Oxygen

Blood cells

Which component of cell is involved in translation?

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Ribosome

Mitocondria

Golgi apparatus

Nucleus

Resins are removed by plants:

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Conifers

Lady finger

Grasses

Keekar

Bones can store:

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Urea

Salts

Uric Acid

Minerals

___________ is the longest bone in our body.

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Arm

Leg

Thigh

Foot

ABO blood system is controlled by a gene I The number of alleles I.The number of alleles of this gene are:

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two

three

five

many

The cardiotonic known as digitalis, is obtained from a plant.

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Accacia

Barassica

Mimose

Fox glove

A group of organisms, similar to one another, which can interbreed in nature and produce fertile off springs.

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Species

Genus

Family

Population

What waste products are excreted by kidneys?

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Urea, water & salts

Salts, water and carbon dioxide

Urea & Water

Urea & salts.

Which of the following is the abiotic component of an ecosystem?

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producers

Herbivores

Carnivorse

Oxygen

Tendons and Ligaments are bands of:

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Connective tissue

Muscular tissue

Nerve tissue

Epidermic tissue

The plants living in dry environment are

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halophytes

hydrophytes

epiphytes

xerophytes

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