14. What are genetically modified organisms (GMOs)?
Anonymous Quiz
8%
A.Organisms capable of surviving in extreme environments
9%
B.Organisms without any DNA from other species
78%
C.Organisms that have received genetic material via recombinant DNA technology
5%
D.Organisms formed naturally without genetic modification
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15. Which one of the following is a key application of biotechnology in food processing?
Anonymous Quiz
8%
A. Creation of metallic industrial components.
24%
B. Development of non-organic dietary supplements.
4%
C. Extraction of fossil fuels from deep earth.
64%
D. Production of beer, wine, and spirits.
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16. Which microorganism is usually used for leavening bread making in biotechnology?
Anonymous Quiz
63%
A. Saccharomyces cerevisiae.
17%
B. Lactobacillus plantarum.
11%
C. Leuconostoc mesenteroides.
9%
D. Streptococcus thermophilus.
17. How is Spirulina used as a food source in some parts of the world?
Anonymous Quiz
11%
A. It needs to be combined with other algae to be effective.
23%
B. It must be chemically processed before consumption.
17%
C. It is only used as an animal feed supplement.
49%
D. It can be eaten in its natural form or added to other foods and beverages.
ifa_boru_keta_grade11_biology_worksheet_v2.pdf
29.6 KB
Biology work sheet for grade 11 from unit 5-6. This work sheet also helps grade 12 for their national exam. So do it please!
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A certain gas occupies a volume of 10m³ at a pressure of 100kPa. If its volume is increased to 20m³, what would be the new pressure of the gas at constant temperature?
Anonymous Quiz
6%
10 kPa
48%
50kPa
38%
200kPa
8%
5kPa
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At what temperature will the volume of gas be halved, if the original temperature is 17°C?
Anonymous Quiz
16%
580K
20%
1060K
40%
145K
24%
273K
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At the same temperature and pressure, equal volumes of gas contain equal numbers of moles. This observation is known as____________.
Anonymous Quiz
11%
Boyle's law
13%
Charles' law
13%
Gay Lussac's law
63%
Avogadro's law
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One mole of gas occupies 27L, and its density is 1.41g/L at a particular temperature and pressure. What is the density of the gas at STP?
Anonymous Quiz
21%
1.99g/L
32%
1.41g/L
37%
38. 07g/L
11%
19.28g/L
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Which one of the following matter has strong intermolecular force?
Anonymous Quiz
10%
Gas
12%
Plasma
6%
Liquid
72%
Solid
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Which of the following matter exists in a very high temperature?
Anonymous Quiz
23%
Gas
62%
Plasma
8%
Liquid
8%
Solid
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A projectile is fired in such a way that its horizontal range is equal to three times its maximum height. What is the angle of projection?
Anonymous Quiz
4%
30°
57%
45°
16%
37°
22%
53°
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A ball is kicked into air from the ground at an angle theta with the horizontal. When ball reaches its maximum height, which statement is true?
Anonymous Quiz
23%
Both the velocity and acceleration of the ball are zero.
27%
Its velocity is not zero, but its acceleration is zero.
38%
Its velocity is perpendicular to its acceleration.
12%
Its acceleration depends on the angle at which the ball was thrown.
The number of students in our school _____ very small.
Anonymous Quiz
39%
are
46%
is
9%
were
6%
aren't
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It is _______ hot to toil in this room. I suggest that we leave or switch the air conditioner on and work for an hour. (EUEE 2016)
Anonymous Quiz
74%
A. too
19%
B. very
4%
C. pretty
3%
D. quite
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Your wife ______ since 9:00 am but you don't even call and apologize for not being able to arrive until now. What excuse do you have for this? (EUEE 2016)
Anonymous Quiz
63%
A. has been waiting
19%
B. would have been waiting
10%
C. is waiting
8%
D. was waiting
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They are talking about ______ artist we saw as we were coming here. What he was doing tells that he was definitely mentally unstable. (EUEE 2016)
Anonymous Quiz
9%
A. which
26%
B. whom
22%
C. an
43%
D. the
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You ______ speak to him like that. After all, he is your elder brother and deserves some respect. (EUEE 2016)
Anonymous Quiz
61%
A. ought not to
19%
B. will rather not
12%
C. will not
7%
D. might not