Question # 1

pH of fresh saliva of human is about

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6

7

8

9

Which statement about ATP is not true

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It is used as an energy currency by all cells

It is formed only under aerobic condition

Some ATP is used to drive the synthesis of storage compounds

It provides energy for many different biochemical reaction

The study of parasite is called.

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paleontology

Histology

Microbiology

Parasitology

Actinopods with glassy shells are.

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Rotifers

Radiolarians

Diatorms

Forams

Conjugation is facilitated by

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Capsule

Pili

Flagella

Both pili and flagella

The percentage of water in bacterial cell is about.

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15%

18%

50%

75%

Glycolysis

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Produces no ATP

It is same as fermentation

Takes place in the mitochondria

Reduces two molecules of NAD⁺For every glucose molecule processed

The infectious proteins are.

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Viruses

Virions

Prions

Peptones

Some fungi are used to control environmental pollution, the process is called.

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Biologicals control

Fungal culture

Bioremediation

Hydroponic

The optimum pH of salivary amylase is.

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2.80

4.80

6.80

8.80

A sequence of cocci is termed as.

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Diplococcus

saurian

Streptococci

Tetrad

Emphysema is the breakdown of

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Trachea

Bronchi

Alveoli

Bronchioles

The male gametophyte of an angiosperm is the

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Anther

Embroyo sac

Microspore

Germinated pollen grain

Magnesium of chlorophyll is replaced in hemoglobin by.

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Calcium

Iron

Potassium

Phosphorus

Horsetails belong to sub-division

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Lycopsida

Sphenopsida

Pteropsida

None of these

Which one of following class of bacteria has the smallest size

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Bacillus subtilis

Mycoplasma

E-coli

Straptococci

Open circulatory system is present in.

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Man

Leach

Earth work

Cockroach

A group of similar cells that perform similar function is

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Organ

Organelles

Tissues

System

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