Question # 1

The classification of algae into phyla is largely based on the composition.

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Cell wall

Cell membrane

Pigments

Cytoplasm

Which one is an example of foliose lichens.

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Ramalina

Bacidia

Lecanora

Permelia

Which one contains companion cells.

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xylem

Phloem

Cortex

Enclodermis

Prions are made up of.

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Lipids

Nucleic Acid

Proteins

None of these

A single mycelium may produce upto a kilometers of new hyphae in only.

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One day

Three days

Five days

Fifteen days

In______ leaves the stomata are confined to only the lower epidermis

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Isobilateral

Dorsiventral

Both a and b

None of these

The exchange of gases between the organism and its environment is called.

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Respiration

External respiration

Cellular respiration

Anaerobic respiration

Which of the following is not a fibrous proein.

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Keratin

Myocin

Fibrin

Mormones

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 hypothesis that plants split water as a source of hydrogen was given by.

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Van Niel

Kreb

Pasteur

Calvin

Plasma proteins carry about____________% CO2 from body fluids to lungs.

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1%

2%

4%

5%

Co-enzyme is a

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Covalently bonded non-protein part of an enzyme

Loosely bonded non-protein part of an enzyme

Co-factor consists of metal ions

None of these

The melting point of palmitic acid is

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-8 ^oC

34 ^oC

63.1 ^oC

55.6 ^oC

In lysogenic cycle, the DNA of bacteriophage

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Joins the bacterial chromosomes

Attaches to the inner surface of the host membrane

Is immediately degraded when it enters the host

Goes directly to the host's ribosomes for translation

In the absence of oxygen, yeast cells obtain energy by fermentation, producing CO3, ATP and.

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Acetyl CO-A

Ethanol

Lactate

Pyruvate

Chlorophyll a, Chl b, and carotenoids are founds in

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Brown algae, golden algae, and diatoms

Green algae, golden algae and diatoms

Green algae, euglenoids and plants

Red algae, euglenids and brown algae

The fluid that surrounds the Thylakoid is called

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Matrix

Stroma

Medium

Cytoplasm

Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is.

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19.6 ml

18.6 ml

17.6 ml

16.6 ml

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