📌 Grade 11 Biology
Unit 1: Biology and Technology ,
Unit 2: Characteristics of Animals,
Unit 3: Enzymes,
Unit 4: Genetics
1. Which of the following is an example of biotechnology?
a) Photosynthesis
b) Genetic engineering
c) Weather forecasting
d) Animal migration
2. What is the primary goal of biotechnology?
a) To understand the ecosystem
b) To improve living organisms for human benefit
c) To study the stars
d) To conserve forests
3. Which of these tools is commonly used in genetic engineering?
a) Thermometer
b) Microscope
c) DNA sequencer
d) Telescope
4. CRISPR technology is used for:
a) Gene editing
b) Protein synthesis
c) Cell division
d) Photosynthesis
5. Which of the following fields benefits from biotechnology?
a) Agriculture
b) Medicine
c) Environmental science
d) All of the above
---
6. Animals are primarily characterized by:
a) Photosynthesis and movement
b) Heterotrophic nutrition and mobility
c) Sessile existence and autotrophy
d) Lack of a nucleus
7. Vertebrates are distinguished from invertebrates by the presence of:
a) A backbone
b) Wings
c) Compound eyes
d) Tentacles
8. Which class of animals lays eggs and has feathers?
a) Mammals
b) Reptiles
c) Birds
d) Amphibians
9. Amphibians are unique because they:
a) Live only on land
b) Live in water as adults
c) Have adaptations for both land and water
d) Lack vertebrae
10. Which of the following is a mammal?
a) Snake
b) Shark
c) Dolphin
d) Crocodile
---
11. Enzymes are:
a) Lipids
b) Proteins
c) Carbohydrates
d) Nucleic acids
12. The function of enzymes in biological processes is to:
a) Supply energy
b) Speed up chemical reactions
c) Act as a structural component
d) Transport oxygen
13. What is the active site of an enzyme?
a) The location where the enzyme is synthesized
b) The region where the substrate binds
c) The site where enzymes are stored
d) The area where energy is produced
14. Enzyme activity can be affected by:
a) Temperature
b) pH
c) Substrate concentration
d) All of the above
15. Enzymes are specific in their action because:
a) They are made of DNA
b) Their active site has a unique shape
c) They are produced by ribosomes
d) They require ATP to function
---
16. DNA is composed of:
a) Amino acids
b) Nucleotides
c) Lipids
d) Glucose
17. Which of the following pairs is a correct base pairing in DNA?
a) Adenine and Cytosine
b) Guanine and Thymine
c) Adenine and Thymine
d) Guanine and Uracil
18. The physical appearance of an organism is its:
a) Genotype
b) Phenotype
c) Allele
d) Chromosome
19. What does a Punnett square show?
a) The structure of DNA
b) The potential offspring from a genetic cross
c) The lifespan of a species
d) The number of chromosomes in a cell
20. A mutation in DNA can result in:
a) No change at all
b) A change in protein function
c) An increase in diversity
d) All of the above
@Ethioquizzes
@Ethiomatrichub
@Ethiomatrics
Unit 1: Biology and Technology ,
Unit 2: Characteristics of Animals,
Unit 3: Enzymes,
Unit 4: Genetics
1. Which of the following is an example of biotechnology?
a) Photosynthesis
b) Genetic engineering
c) Weather forecasting
d) Animal migration
2. What is the primary goal of biotechnology?
a) To understand the ecosystem
b) To improve living organisms for human benefit
c) To study the stars
d) To conserve forests
3. Which of these tools is commonly used in genetic engineering?
a) Thermometer
b) Microscope
c) DNA sequencer
d) Telescope
4. CRISPR technology is used for:
a) Gene editing
b) Protein synthesis
c) Cell division
d) Photosynthesis
5. Which of the following fields benefits from biotechnology?
a) Agriculture
b) Medicine
c) Environmental science
d) All of the above
---
6. Animals are primarily characterized by:
a) Photosynthesis and movement
b) Heterotrophic nutrition and mobility
c) Sessile existence and autotrophy
d) Lack of a nucleus
7. Vertebrates are distinguished from invertebrates by the presence of:
a) A backbone
b) Wings
c) Compound eyes
d) Tentacles
8. Which class of animals lays eggs and has feathers?
a) Mammals
b) Reptiles
c) Birds
d) Amphibians
9. Amphibians are unique because they:
a) Live only on land
b) Live in water as adults
c) Have adaptations for both land and water
d) Lack vertebrae
10. Which of the following is a mammal?
a) Snake
b) Shark
c) Dolphin
d) Crocodile
---
11. Enzymes are:
a) Lipids
b) Proteins
c) Carbohydrates
d) Nucleic acids
12. The function of enzymes in biological processes is to:
a) Supply energy
b) Speed up chemical reactions
c) Act as a structural component
d) Transport oxygen
13. What is the active site of an enzyme?
a) The location where the enzyme is synthesized
b) The region where the substrate binds
c) The site where enzymes are stored
d) The area where energy is produced
14. Enzyme activity can be affected by:
a) Temperature
b) pH
c) Substrate concentration
d) All of the above
15. Enzymes are specific in their action because:
a) They are made of DNA
b) Their active site has a unique shape
c) They are produced by ribosomes
d) They require ATP to function
---
16. DNA is composed of:
a) Amino acids
b) Nucleotides
c) Lipids
d) Glucose
17. Which of the following pairs is a correct base pairing in DNA?
a) Adenine and Cytosine
b) Guanine and Thymine
c) Adenine and Thymine
d) Guanine and Uracil
18. The physical appearance of an organism is its:
a) Genotype
b) Phenotype
c) Allele
d) Chromosome
19. What does a Punnett square show?
a) The structure of DNA
b) The potential offspring from a genetic cross
c) The lifespan of a species
d) The number of chromosomes in a cell
20. A mutation in DNA can result in:
a) No change at all
b) A change in protein function
c) An increase in diversity
d) All of the above
@Ethioquizzes
@Ethiomatrichub
@Ethiomatrics