Biology-Microbes and Human Welfare

Test Preparation on Biology-Microbes and Human Welfare

1.

Which organisms are useful for the knowledge of biotechnology and genetic engineering?

1Animals
2Plants
3Micro Organism
4None of them

2.

Which bacteria gives protection against gastric injury?

1Methenogins
2Lecto Bacillus
3Lecto Cocas
4Lecto Strepto

3.

Which micro-organisms are useful in the fermentation of dough for the idli and dosa?

1Bacteria
2Protozua
3Fungus
4Virus

4.

Which is useful to obtainace acetic acid?

1Aspergillus niger
2Clostridium Butirycun
3Acetobactor aceti
4Saech arhomyces Cerreui Siae

5.

Which is one correct for the amino acid?

1L-melic acid
2L-Lycin
3L-aluconic Acid
4(a) & (c) both

6.

Which is useful to remove the oily stains in laundry ?

1Renin
2Protease
3Amaylase
4Lipase

7.

Which one correct option for fermantation ?

1To prepare pickle from vegetable and savour fruits
2To prepare food for cattle
3To prepare some vitamins
4In production of some Enzymes

8.

Which is useful to remove weeds in agriculture ?

1Pesticides
2Weedicide
3Fungicide
4Insecticides

9.

Which metabolic process is performed by bectaria in biogas plant ?

1Aerobic Respiration
2Cellular Respiration
3Anerobic Respiration
4Internal Respiration

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