3) What is the function of ribosomes?
Anonymous Quiz
5%
A) Food production
7%
B) Link the nucleus
80%
C) Protein synthesis
7%
D) Carry respiration
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2) Which one of the ff research institutes works on crop and livestock improvement?
Anonymous Quiz
69%
A) Ethiopian Institute of Agricultural Research
13%
B) Ethiopian Health and Nutrition Research Institute
12%
C) The Insitute of Biodiversity Conservation
6%
D) Armauer Hansen Research Institute
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4) Turgor pressure and plasmolysis happen in plants when:
Anonymous Quiz
48%
A) Excess water enters into the cells, and excess water is lost from the cells respectively
25%
B) Excess water is lost from the cells and excess water enters into the cells respectively
20%
C) the cell is hypotonic, and the env't is hypertonic, respectively
8%
D) the cell and the env't are isotonic, and the env't is hypotonic respectively
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5) A grade 9 student demonstrated the effect of osmosis on plant cells using onion epidermal cells. He put the onion epidermal cells in distilled water for 30 minutes and then observed it under the microscope. The cells he observed became:
Anonymous Quiz
16%
A) plasmolysed
22%
B) burst
53%
C) turgid
9%
D) unchanged
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6) What is the measure of the variety of species in a particular area, including everything from the smallest microbes to the largest animals?
Anonymous Quiz
72%
A) Biodiversity
11%
B) Conservation
9%
C) Monoculture
8%
D) Polyculture
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7) What is the importance of protecting the natural env't? Because it:
Anonymous Quiz
14%
A) increases the effect of global warming
66%
B) insures the presence of healthy weather and climate
10%
C) increases the accumulation of CO2 in the atmosphere
10%
D) reduces the availability of decomposers of waste removal
🥰1
8) Which of the ff is true about vegetation? It:
Anonymous Quiz
6%
A) causes global warming
11%
B) causes air pollution
71%
C) is a source of clothes and foods
13%
D) reduces the amount of 02 in the air
❤1👍1
9) W/c of the ff animals is found in Bale Mountains National Park?
Anonymous Quiz
10%
A) Zebra
50%
B) Mountain Nyala
33%
C) Walya
7%
D) Flamingo
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10) The burning of fossil fuels causes air pollution by:
Anonymous Quiz
13%
A) releasing unburnt hydrocarbon particles into the air
19%
B) releasing burnt hydrocarbon particles into the air
56%
C) producing and releasing CO2 into the air
13%
D) producing and releasing NO2 into the air
11) What is the function of dendrites? They transport impulse towards the:
Anonymous Quiz
13%
A) muscle
33%
B) axon
16%
C) sense organ
38%
D) cell body
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12) W/c one of the ff statements is correct about the reflex arc? It is:
Anonymous Quiz
25%
A) unidirectional flow of info from receptor to spinal cord
24%
B) flow of impulse from the sensory neuron to the brain and spinal cord
22%
C) flow of impulse from the spinal cord to the brain and back to sense organs
30%
D) flow of info from receptors to the spinal cord and to the effectors
13) Which one of the ff eye defects is correctly matched with its corrective measure?
Anonymous Quiz
13%
A) Short sight - irregular lens
20%
B) Astigmatism - any eye glass
25%
C) Long sight - diverging lens
41%
D) Long sight - convex lens
👍1
1) W/c of the ff is true about an absolute electric potential? It is
Anonymous Quiz
21%
A) an electric potential at a position in an electric field
21%
B) an electric potential at a position in an electric field
35%
C) the work done to move a unit charge from an infinityto a position in an electric field
22%
D) the work done per unit charge to move it from one point to another in an electric field
😁2
2) A dry cell's voltage is labelled to be 1.5V. Which of the ff statements is correct?
Anonymous Quiz
34%
A) The terminal voltage of the cell is equal to 1.5V for closed circuit
37%
B) The EMF of the cell is equal to 1.5V
16%
C) The terminal voltage of the cell is greater than 1.5V
12%
D) The EMF of the dry cell is less than 1.5V
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Forwarded from Science Explained
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Science Explained
Vote for Live part 2
Hello Science Explained.
As we all know, you have been waiting for live part 2.
Sifene Teklu will be livestreaming on Hidar 15, 2026 (Sunday afternoon)
Keep your YouTube Notifications on to not miss an opportunity to ask your questions.
1. Prepare backup questions
2. If similar questions is asked by another person, cross it out from your question lists.
aaaaand enjoy
As we all know, you have been waiting for live part 2.
Sifene Teklu will be livestreaming on Hidar 15, 2026 (Sunday afternoon)
Keep your YouTube Notifications on to not miss an opportunity to ask your questions.
1. Prepare backup questions
2. If similar questions is asked by another person, cross it out from your question lists.
aaaaand enjoy
🙏11👍4