Beijing No.
55 High School ISS Grade 11 Mid-Term
Evaluation Biology SL Paper Nov 2023
Teacher: 丁 霞
Student English Name:
Student Chinese Name：
Student Homeroom：
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1. What is a consequence of the ability of water to form many intermolecular hydrogen bonds?
A. Ice has a higher density than water and floats, providing habitats for fish-eating mammals.
B. Light can pass through water, so algae can photosynthesise.
C. Some small invertebrates can walk on water surfaces.
D. Small amounts of energy are needed to change water from one state to another, so that
evaporation rates and condensation rates are rapid.
2. The series of images shows two unicellular organisms found in ponds and lakes.
Which functions of life are being shown in these images by organism X?
A. Metabolism and growth
B. Excretion and reproduction
C. Homeostasis and metabolism
D. Response and nutrition
3. Which is a feature of phloem sieve tube cells?
A. Numerous chloroplasts
B. No nucleus
C. Lignified walls
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D. No cytoplasm
4. Which term describes the whole of the genetic information of an organism?
A. Genome
B. DNA
C. Gene pool
D. Allele frequency
5. The diagrams show various wings.
Which statement describes the relationship between the structures of the wings?
A. The bat wing and the insect wing are homologous because they have the same function.
B. The limbs of the bird and bat wings are homologous due to convergent evolution.
C. The bones of the wings of the pterodactyl, bird and bat are homologous as they have a
common ancestor.
D. The wings of the pterodactyl and the bat are analogous due to divergent evolution.
6. What can be identified in the electron micrograph?
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A. Plant cells with cell walls, nuclei and chloroplasts
B. Plant cells with chloroplasts and large central vacuoles containing nuclei
C. Several prokaryotes with cell walls and cytoplasm
D. Animal cells with prominent mitochondria
7. What is an outcome of natural selection?
A. Evolution
B. Mutations
C. Reproductive isolation
D. Variation
8. Which statement defines ecosystem diversity?
A The number of species in an area
B The range of different habitats or number of ecological niches per unit area in an ecosystem
C The range of biotic and abiotic factors in an area
D The number of ecosystems in an area
9. Species of beetle were collected in four different habitats. The Simpson’s reciprocal index was
calculated for each habitat, as shown in the table.
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Which statement is correct?
A Habitat 1 has the largest number of species
B Habitat 1 has the greatest evenness
C Results for Habitat 1 and Habitat 3 are not significantly different
D Habitat 4 has the lowest genetic diversity
10. Which diagram correctly indicates the polarity in a water molecule?
11. Nucleic acids are polymers of nucleotides. What parts of nucleotides are joined together in
both DNA and RNA to make these polymers?
A Large nitrogenous bases with small nitrogenous bases
B Nitrogenous bases with hexose sugars
C Nitrogenous bases with phosphates
D Pentose sugars with phosphates
12. What usually distinguishes DNA from RNA?
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13. A chloroplast is 6 micrometres long. If a student draws it 100 times larger than its actual size,
what diameter will the drawing be in mm?
A 0.06 mm B 0.6 mm
C 6 mm D 60 mm
14. Lamarck and Darwin had different theories for how species changed over time. Which
statement is part of Darwin’s evolutionary theory?
A Changes an organism experienced during its life can be passed on to offspring
B The inheritance of acquired characteristics
C Change in the heritable characteristics of a population
D Complexity
15. The micrograph shows part of a plant cell with a chloroplast near to a mitochondrion.
a State two structural similarities between mitochondria and chloroplasts. [2]
b Compare and contrast the functional roles of mitochondria and chloroplasts in cell
metabolism. [4]
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16. Draw a labelled diagram of a section of DNA showing four nucleotides. [4]
17. A highly magnified electron micrograph of an animal cell was magnified ×9600. The
following features were measured. Complete a copy of the table, expressing the actual size of the
features in appropriate units. [3]
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18. To investigate the thermal properties of water, students placed hot water in two thin plastic
cups and measured their rate of cooling. The sides of one cup were covered with tissue paper
soaked in hot water; the other cup was left uncovered. The temperature was recorded with a
thermometer every 4 minutes for 20 minutes. The temperature in the laboratory was 18 °C.
a) Calculate the change in temperature in each cup after 20 minutes:
i) uncovered. [1]
ii) covered with wet tissue paper. [1]
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b) State two conditions that must be the same for each cup at the start of the experiment. [2]
c) Predict the temperature of the water in the cups after 3 hours. [1]
19. The images show examples of adult male guppies (Poecilia reticulata).
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20. Fill in the missing parts of this karyogram for a female. [2]
21. Species of beetle were collected in four different habitats. The Simpson’s reciprocal index
was calculated for each habitat, as shown in the table.
Which statement is correct?
A Habitat 1 has the largest number of species
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B Habitat 1 has the greatest evenness
C Results for Habitat 1 and Habitat 3 are not significantly different
D Habitat 4 has the lowest genetic diversity
22. Compare and contrast divergent and convergent evolution. [5]
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