Question # 1

Littoral zone is

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Beyond the shore

Near the shore

Mid the shore

Bottom zone

Common name of black mould is

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Neurospora

Penicillium

Rizophus

Amanita

In planarians the exchange of materials takes place by

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Blood circulatory system

Flame cells

No special transport system

None

The circulatory system accounts for the rapid mass flow of materials from one part of the body to the other is_____than diffusion

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Rapid

Slow

Very low

None

For reuse of renewable resources there are

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Natural cycle

Nutrient cycle

Nitrogen cycle

CO₂ cycle

Which one is not of the four phases of growth of multicellular plants

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Cell division

Zone of elongation

Maturation

Differentiation

Growth occurs though the activity of meristem

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In vascular plants

In coniferous plants

In bryophytes

In pterodophytes

Which of the following method of reproduction is asexual

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Parthenogenesis

Budding

Vegetative propagation

All of above

Enzyme used for the cutting of chromosome is

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Ligase

Kinase

Polymerase

Restriction endonuclease

In animal cells, cell membranes helps to take in materials by in folding in the form of vacuole is called

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Endocytosis

Digestion

Ingestion

Lysosomes

Any substance that supplies the body with elements necessary for metabolism is called

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Nutrition

Excretion

Respiratory substance

Circulatory substance

During the photosynthetic reactions what are the products

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Water and light

Carbon-dioxide & light

Glucose and oxygen

All of above

Enzymes are composed of

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Carbohydrates

Lipids

Amino acids

All of above

Which of the following statement about fossils is wrong

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Fossils are the actual remains of organisms

Fossils may be traces of organisms that lived in ancient geological times

Organisms that are embedded in sand resins or ice can not be considered in fossils

Most fossils are found in sedimentary rocks

Diploblastic animals show

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Higher degree of specialization

Lesser degree of specialization

Medium degree of specialization

None

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