Question # 1

From one pyruvate passing through Krebs cycle how many FADH2 molecules are formed.

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01

02

03

04

The enzyme with optimum pH = 7.60 is

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Arginase

Enterokinase

Catalase

Sucrase

One of the following is not an accessory pigment.

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chlorophyll 'a'

Xanthophyll

Carotenes

Chlorophyll 'b'

Curved or comma shaped bacteria are called.

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Vibrio

spirillum

Spirochetes

Bacli

Bacterial pathogenicity is due to.

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Cell wall

Capsule

Slime

Cell envelope

The volume of the blood in a normal person, plasma constitutes about.

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15%

25%

55%

75%

Loycopsida are commonly called.

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Whisk fern

Horse tails

Club mosses

Horn worts

The most abundant carbohydrates in nature is

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Starch

Cellulose

Maltose

Glucose

Optimum pH for sucrase is

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2.00

4.50

5.50

7.60

50% or so are found as lichens.

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Ascomycota

Basidiomycota

Zygomycotic

Deuteromycete

Accessory photosynthetic pigment xanthophyll's are

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Green in colour

Red in colour

Yellow in colour

None of these

Which one of following is not cell but the fragment of large cells.

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Basophils

Leucocytes

Platelets

Erythrocytes

When cross section of centriole is observed it shows as it consists of.

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9 microtubules

3 microtubules

11- microtubules

6- microtubules

A common mussel has two large gills covered with

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shell

Pseudopodia

flagella

Cilla

Lenticels are aerating pores formed in the

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Endodermis

Epidermis

Pericycle

Bark

The product of succinic acid by the action of enzyme is.

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Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

Daily rhythmic opening and closing of stomata is.

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Internal clock

External clock

Both internal and external clock

None of these

The heart is enclosed in a double membranous sac, the.

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Pericardium

Myocardium

Pericardial cavity

Abdominal cavity

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