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Thermophiles

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Thermophile inhabit in the environments like

a)

Mudpods

b)

Hot springs

c)

Fumaroles

d)

Hydrothermal vents

2.

Optimum growth temperature for Thermophiles

a)

45°c

b)

60°c

c)

122°c

3.

Most of the Thermophile lack ________ in their membrane

a)

Peptidoglycan

b)

Fatty acid

c)

Lipid

4.

What is the temperature of Black Smoker

a)

200°c to 300°c

b)

300°c to 400°c

c)

400°c to 500°c

d)

200°c to 400°c

5.

White Smokers are made up of

a)

Calcium sulphate

b)

Calcium Carbonate

c)

Metal sulfides

6.

This picture is of

a)

Volcanic opening

b)

Black smoker

c)

White smoker

d)

Fumaroles

7.

The protein sac.7d present in which Thermophile

a)

Sulpholobus acidocaldarium

b)

Methanopyrus kandleri

c)

Pyrolobus fumarii

8.

Which Thermophile hold record to grow in highest temperature

a)

Sulpholobus acidocaldarium

b)

Methanopyrus kandleri

c)

Pyrolobus fumarii

d)

Thermus aquaticus

9.

Which of the following is the Thermoacidophile

a)

Caldicellulosiruptor saccharo-lyticus

b)

Sulfolobus solfataricus

c)

Geobacillus stearothermophilus

d)

Thermoplasma volcanicum

10.

Asperjinone is the compound which is a suppressor of 'ABCG-2 Breast cancer cell' were isolated from thermophile.......

a)

Aspergillus terreus

b)

Penicillium duponti

c)

Thermoproteus neutrophilus

11.

Thermophiles which are able to survive radiation are belong to which Phylum

a)

Aquficae

b)

Thermotogae

c)

Deinococcus thermus

d)

Crenarchaeota

12.

Enzyme which renatures DNA if strands become separated at high temperature

a)

Reverse gyrase

b)

Taq polymerase

c)

Laccase

d)

Topoisomerase V

13.

Hydrothermal vent is rich in elements such as

a)

Iron

b)

Barium

c)

Sulphur

d)

Silicons

14.

In 1996 Thomas D Brock discovered which Hyperthermophile

a)

Thermus aquaticus

b)

Aquifex aeolicus

c)

Thermotogae maritima

d)

Geobacillus stearothermophilus

15.

Fumaroles emits

a)

CO2

b)

SO2

c)

HCL

d)

H2S

16.

Black Smokers are made of

a)

Calcium sulphate and metal sulfides

b)

Calcium carbonate

c)

Calcium and Silicons

17.

Thermophiles in the hydrothermal vent survive by the process of ....

a)

Chemosynthesis

b)

Photosynthesis

18.

Which Thermophile is able to survive autoclaving for 1 hr at 120°c

a)

Methanopyrus kandleri

b)

Archaeoglobus fulgidus

c)

Pyrolobus fumarii

d)

Sulpholobus acidocaldarium

19.

Cell membrane of Thermophiles is made of

a)

Fatty acyl ester lipid

b)

Peptidoglycan

c)

Chitin

20.

What makes Thermophiles survive extreme conditions like heat

a)

High G + C content

b)

Thermostable Enzymes

c)

Heat Shock Protein

d)

Reverse gyrase