1) Which of the following statements is in agreement with the modern cell theory?
Anonymous Quiz
10%
A) Cells come from nothing
54%
B) Cells come from existing cells
14%
C) Cells come from non-living materials
22%
D) Cells arise by means of spontaneous generation
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2) Which of the ff corresponds to the beginning step of a scientific work?
Anonymous Quiz
17%
A) Testing hypothesis
62%
B) Making observations
16%
C) Conducting observations
5%
D) Drawing conclusions
3) In an experiment that is testing the effect of T° on the germination rate of certain seeds, in which one of the following should the experimental and the control groups differ?
Anonymous Quiz
15%
A) The amount of water they receive
28%
B) The age of the seeds assigned to them
22%
C) The no of seeds assigned to them
35%
D) The T° at w/c they are kept
4) What is the term for the process by which organisms keep their internal conditions at a fairly constant state?
Anonymous Quiz
12%
A) Catabolism
8%
B) Evolution
74%
C) Homeostasis
6%
D) Photosynthesis
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5) Which of the ff is NOT in agreement with the scientific method?
Anonymous Quiz
13%
A) Putting forward testable hypotheses
22%
B) Carrying out experiments in duplicates
54%
C) Putting forward personal value judgements
11%
D) Analyzing results and drawing conclusions
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6) A cell was examined under a compound light microscope with an eyepiece lens marked 13X and an objective lens marked 40X. How many times larger would the cell appear to the viewer?
Anonymous Quiz
12%
A) 40 times
11%
B) 53 times
24%
C) 400 times
53%
D) 520 times
7) In an experiment designed to test the effect of d/t concentrations of a fertilizer on the growth rate of a plant, which one of the following is the dependent variable?
Anonymous Quiz
35%
A) The growth rate of the plant
13%
B) Plants assigned to the control group
36%
C) Concentrations of the fertilizer applied
16%
D) Plants assigned to the experimental group
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8) A biologist applied the scientific method repeatedly, gathered a large amount of supporting experimental data and finally described a pattern or r/ship b/n d/t factors. What is the best term that refers to facts established this way?
Anonymous Quiz
33%
A) Theory
38%
B) Hypothesis
18%
C) Prediction
10%
D) Law
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Forwarded from Science Explained
Live video part 1 link:
https://www.youtube.com/live/33KY0VJM_G8
https://www.youtube.com/live/33KY0VJM_G8
Forwarded from Science Explained
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Forwarded from Science Explained grade 12
#SifeneTekluAnswersMatric2016 #Chemistry
Given the reaction: CaCO₃(s) ⇌ CaO(s) + CO₂(g) What is the correct equilibrium constant expression?
Given the reaction: CaCO₃(s) ⇌ CaO(s) + CO₂(g) What is the correct equilibrium constant expression?
Anonymous Quiz
9%
K꜀ = [CaO][CO₂]
28%
K꜀ = [CaO][CO₂] / [CaCO₃]
57%
K꜀ = [CO₂]
5%
K꜀ = [CaO] / [CaCO₃]
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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
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