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The main purposes of this channel are to: 1. 📝 Provide various Mathematics questions and exercises. 2. 📚 Share and publish different educational books. 3. 📖 Provide useful short notes and study materials. Hirriyyoota keessaniif share godha!
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Publicaciones del Canal
| 2 | The value which contains the highest frequency is ___. | 126 |
| 3 | The data which can be expressed in number form is qualitative data. | 126 |
| 4 | Given data: 2,5,6,5,4,2,3,2 then which one of the following is true about the data? | 117 |
| 5 | Given data: 1,6,8,6,5,9,5,3,8,6,7 then what is mode of the data? | 117 |
| 6 | Given data: 30, 43,47,51,36,34,26,14,11,5,7,54,57 then what is the value of IQR from the given data? | 108 |
| 7 | What is the mean of 7, 6, 2, 3 8? | 115 |
| 8 | Which one of the following is qualitative data? | 125 |
| 9 | Entrance Exam ከ 550+ በላይ ማምጣት ለሚፈልግ ብቻ ⭐️ | 117 |
| 10 | Answer key with explanation!
1. C) Test cross — Used to find an unknown genotype by crossing a dominant-trait plant with a homozygous recessive plant.
2. C) Nucleotide – nucleic acids — Nucleotides are the single building blocks (monomers) that link to form
DNA/RNA (polymers).
3. D) DNA polymerases – hydrolysis of ATP — Mismatch. DNA polymerases synthesize new DNA strands; they do not break down ATP.
4. A) Pentadactyl limb modification — This is a structural feature, making it evidence for comparative anatomy, not biochemistry.
5. B) All of the above — Conservation combines ecological repair, scientific research, and keeping human intervention to a minimum.
6. B) The first product formed is a three carbon compound — The first stable molecule created during C3 carbon fixation contains three carbon atoms.
7. A) Infectious diseases — These are illnesses caused directly by invading pathogens like bacteria and viruses.
8. C) Non-competitive inhibitor — Binds to a separate spot (allosteric site) on the enzyme instead of blocking the active site directly.
9. A) Movement of water molecules across cell membrane — This process is osmosis, a type of passive transport that uses zero cellular energy (ATP).
10. D) The solution is isotonic to the cell sap of the potato tissue — An isotonic solution balances water movement perfectly, causing no net gain or loss in weight.
@maths_group11 | 192 |
| 11 | Biology Exam – Questions
1. Which one of the following processes determines whether the individual plant is homozygous or heterozygous for a given trait?
A) All of the above
B) Independent assortment
C) Test cross
D) Segregation
2. Which one of the following represents a correct monomer-polymer pairing?
A) Fatty acids – triglycerides
B) Amino acid – dipeptide
C) Nucleotide – nucleic acids
D) Monosaccharide – disaccharide
3. Which one of the following is a mismatch regarding enzymes and their function or the reaction they catalyze?
A) Lipases – hydrolysis of lipids
B) Amylases – starch conversion
C) Proteases – removal of stains and hair
D) DNA polymerases – hydrolysis of ATP
4. Which one of the following is NOT directly related to comparative biochemistry as a support for the theory of evolution?
A) Pentadactyl limb modification
B) The base sequences of DNA
C) The cytochrome c in the electron transport chain
D) The amino acid sequence in haemoglobin
5. The main guiding idea of conservation involves:
A) Repair rather than replace
B) All of the above
C) Minimum intervention
D) Research
6. Why are some plants referred to as C3 in relation to photosynthesis?
A) The first product formed contains a four carbon compound
B) The first product formed is a three carbon compound
C) They are more of tropical plants
D) Their ultimate product is not sugar
7. Which of the following categories of diseases are caused by microorganisms?
A) Infectious diseases
B) Genetic diseases
C) Deficiency diseases
D) Social diseases
8. A type of inhibitor that does NOT compete for an active site of an enzyme is:
A) Competitive inhibitor
B) Non-competitive inducer
C) Non-competitive inhibitor
D) Competitive inducer
9. Which of the following activities does NOT use ATP?
A) Movement of water molecules across cell membrane
B) Muscle contraction
C) Synthesis of macromolecules like proteins
D) Conduction of nerve impulse
10. If a potato tissue immersed in solution B does not show any change in weight, which one could be the most probable reason?
A) The solution is hypotonic to cell sap of the tissue
B) The cell sap in the potato tissue has more solute concentration than the solution
C) Solution B is hypertonic to the potato tissue
D) The solution is isotonic to the cell sap of the potato tissue
@maths_group11 | 153 |
| 12 |  Compound microscope parts and functions!
@maths_group11 | 124 |
| 13 | What is the image of the circle (x+2)² + (y-3)² = 4 when it is reflected about the line y= x? | 141 |
| 14 | What is the image of the point P (7,9) when reflected about the y= x? | 143 |
| 15 | What is the image of the point P(4,5) after it reflected about the y-axis? | 154 |
| 16 | What is the image of the point P( 3,2) when it reflected about the x-axis? | 176 |
| 17 | The image of the point P (-4,6) under the translation T ( 4,6) is: | 178 |
| 18 | What is the reflection of (x,y) on the line x=a | 188 |
| 19 | If (x,y) reflected to (-y,-x) then what is the axis of reflection | 200 |
| 20 | Entrance Exam ከ 550+ በላይ ማምጣት ለሚፈልግ ብቻ ⭐️
👉 https://t.me/addlist/WdSy2pV7yF5lOWM0 | 194 |
