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 [HOME > INTERACTIVE > QUIZZES > STANDARD]      

1.    The primary importance of bacteria to mankind is

production of secondary metabolites
Production of enzymes
Production of chemicals
for food

2.    DNA (Deoxyribonucleic acid) are

blocks of protein
large organic macromolecule
synthetic acid
answer not above

3.    DNA performs the following functions except

transmission of information from one cell generation to another
provide information for protein synthesis
help in digestion of protein
answer not above

4.    the structure of a DNA is

sphere
double helix
rod
circle

5.    The function of the messenger RNA is to

enable protein synthesis
provide information for repairing damages cells
enable removal of used cells
answer not above

6.    The messenger RNA is produced in the

genes
blood
DNA
bone marrows

7.    How many enzymes have been identified in the body

100
15,000
3,000
6,000,000

8.    Proteases are used for the following except

Chillproofing of beer
Biomedical applications
Monitoring serum cholesterol levels
Detergents

9.    Hemicellulases are used for the following except

Baking
Chillproofing of beer
Brewing
Animal feedstuffs

10.    the major threat to Africa’s agricultural productivity growth

land degradation and poverty
illiteracy
riots and war
fiscal policies

11.    Biotechnology started 6,000 years back with

use of tractors
fermentation of beer
importation of foreign materials
it did not start 6,000 years ago.

12.    pollen grain from Biotechnologically corn affects

earthworm
frog
monarch butterfly caterpillars
snails

13.    genetically modified potatoes as being noticed to affect which of the following animals

lizards
poultry
rat
pigs

14.    Genes are exchanged between plants via

air
pollen tube
anther
filaments

15.    bonds holding the protein molecules together are

polypeptide bonds
peptide bonds
chemical bonds
answer not above

16.    how many building blocks is the amino

80
40
10
20

17.    thermal stability of lysosome has being increased with the concept of

DNA science
protein engineering
modern gene technology
answer not above

18.    protein engineering helps in which of the following areas

Improved binding of small molecules to protein receptors on cell surfaces
increasing drought resistance in plants
improving fertility of soils
answer not above

19.    proteins performs which of the following functions

energy for daily activities
to refurbish dead cells/tissues
clearer vision
stronger bones

20.    who discovered that genes was located on chromosomes

Thomas Hunt Morgan
Louis Pasteur
Gregor Mendel
James Beal

21.    the first experimental hybrid corn was developed in

1879
1820
1967
1904

22.    pasteurization was developed in

1861
1890
1209
2004

23.     in 1500AD Aztecs made cakes from

Spirulina algae
bacteria
yeast
answer not above

24.    Banting, Best, Collip and MacLeod discovered what?

DNA
protein
genes
insulin

25.     in 1943 the organism used to show that DNA carries the cell's genetic information was a

fungi
algea
bacteria
human being

26.    the hematopoietic stem cell was discovered in

1961
1903
1814
4000AD

27.    the First release of genetically engineered microbes in field experiments was in

1987
1904
40 AD
2004

28.    Dairy farming developed as far back as

1803
4000AD
1143
2004

29.    genetic transformation was discovered by

Jost coins
Griffith
Maclyn McCarty
Cesar Milstein

30.    the T-cell receptor is also known as

the "holy grail" of immunology
block of "life"
river of refurblishment
answer not above

 

 

 

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