Question # 1

Cardiac muscles can be distinguished from other muscle fibers because cardiac muscles

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Contain only actin

Voluntary in action

Lacks regular arrangement of sarcomeres

Have intercalated disc

Transpiration takes place through cuticle is about.

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5-7%

6-7%

5-6%

3-5%

Fungal cell walls contain chitin, which is also found in exoskeleton of

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Arthropods

Molluses

Echinoderms

Chordates

Flame cells are excretory cells in.

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Flatworms

Segmented worms

Round worms

Anseets

Glycogen is found abundantly in

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Liver

Muscles

Kidney

Both a and b

Open circulatory system is present in.

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Man

Leach

Earth work

Cockroach

_______ is used to inhibit fungal growth.

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Lovasstatin

Cyclosporine

Ergotine

Apicomplexans

Algae in which body is differentiated into blades, stipes, and holdfast belong to

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Golden algae

Diatoms

Kelps

Euglenoids

The percentage of ribosomal RNA in the cell is.

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4%

20%

50%

80%

Loycopsida are commonly called.

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Whisk fern

Horse tails

Club mosses

Horn worts

The number and variety of species in a place is called.

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Population

Community

Biodiversity

Diversity

________ is incorrect about guard cells.

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Have chloroplasts

Bean shaped

Connected to surrounding cells by plasmodesmata

surrounding stoma

Resolution power of a typical compound. microscope is.

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300 x

1.0 micro meter

2.0 micro meter

2-4 Angstron

The rate of an enzyme catalyzed reaction

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Is constant under condition

Decreases as substrate concentration increases

Cannot be measured

Can be reduced by inhibitors

The number and variety of species in a place in called.

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Community

Population

Biodiversity

Diversity

A mammalian herbivore has

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Fewer teeth than a carnivore

Flatter teeth than a carnivore

More teeth than a carnivore

More pointed teeth than a carnivore

More than ten compounds of tar of tobacco smoke are included in causing.

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Cancer

Asthma

Emphysema

Tuberculosis

The optimum pH of catalase is

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6.60

7.60

8.60

9.60

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