Q2:
AS & A Level Biology - 9700 Paper 4 2023 Winter Zone 3
Share
Previous
Questions:
2/10
Topic: CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
Solution
PRACTISE
Similar Questions
LEARN
Concepts with Sparky
More Questions from this Topic
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
Populations of the moth *Biston betularia* live in Europe and in North America. The most common phenotype on both continents is a pale wing colour wit...
Winter
3
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
Lichens are found growing on trees, walls, rocks and soil.Fig. 9.1 shows a lichen of the genus Usnea. Usnea can tolerate only low concentrations of su...
Winter
3
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
(a) Approximately $2 \times 10^9$ people in the world are currently infected with the bacterial disease tuberculosis (TB) caused by \textit{Mycobacter...
Spring
5
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
(a) The Asian common toad, Duttaphrynus melanostictus, arrived accidentally in eastern Madagascar in 2010 on a ship.Fig. 9.1 shows an Asian common toa...
Summer
2
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
(a) The International Union for Conservation of Nature (IUCN) Red List of Threatened SpeciesTM states that the red ruffed lemur is critically endanger...
Winter
3
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
Bears are several species of mammal in the family Ursidae. Climate change and loss of habitats due to human activity have reduced the size of some bea...
Summer
4
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
Populations of the moth _Biston betularia_ live in Europe and in North America. The most common phenotype on both continents is a pale wing colour wit...
Winter
1
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
(a) Fig. 9.1 shows how the mean global atmospheric carbon dioxide concentration has changed over the 800000 (800 \times 10^{3}) years leading up to th...
Summer
5
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
Lichens are found growing on trees, walls, rocks and soil. Fig. 9.1 shows a lichen of the genus $Usnea$. $Usnea$ can tolerate only low concentrations...
Winter
2
Theory
CH18 - BIODIVERSITY, CLASSIFICATION AND CONSERVATION
(a) The passage outlines one method of estimating the size of an animal population. Complete the passage by using the most appropriate scientific term...
Winter
4
More Questions from year 2023
Theory
CH1 - CELL STRUCTURE
(a) Table 1.1 lists cell structures that can be found in eukaryotic cells or prokaryotic cells. Some of these cell structures can be found in both typ...
Spring
3
Theory
CH2 - BIOLOGICAL MOLECULES
(a) Cysteine is an amino acid containing sulfur. Fig. 2.1 shows the structure of the molecule formed by joining two cysteine molecules together.Draw a...
Spring
3
Theory
CH7 - TRANSPORT IN PLANTS
(a) Fig. 3.1 is a diagram of an area of phloem tissue from a transverse section through the stem of a squash plant, Cucurbita pepo.(i) Cell X and cell...
Spring
3
Theory
CH10 - INFECTIOUS DISEASE
Tuberculosis (TB), influenza and polio are examples of infectious diseases.(a) (i) Explain what is meant by an infectious disease........................
Spring
3
Theory
CH8 - TRANSPORT IN MAMMALS
Pneumonia is a severe lung disease that can interfere with gas exchange. A person with pneumonia can be connected to an ECMO machine. This machine per...
Spring
3
Theory
CH2 - BIOLOGICAL MOLECULES
(a) Collagen is the most common structural protein in vertebrates. Collagen provides the skin with flexibility and strength.Explain how the structure ...
Spring
2
Theory
CH14 - HOMEOSTASIS
(a) Fig. 1.1 is a drawing of a longitudinal section (LS) of a human kidney.Use the letters A, B, C and D in Fig. 1.1 to complete Table 1.1.Each letter...
Spring
2
Theory
CH19 - GENETIC TECHNOLOGY
(a) The start of transcription of the gene IFNA2 by E. coli with the recombinant plasmid shown in Fig. 2.1 needs to be controlled to obtain an optimum...
Spring
3
Theory
CH19 - GENETIC TECHNOLOGY
Salmon can be genetically modified (GM) to produce increased quantities of growth hormone, which is a protein. GM salmon modified in this way have a f...
Spring
3
Theory
CH16 - INHERITED CHANGE
Array comparative genome hybridisation (aCGH) is a technique involving the use of a microarray to analyse a genome or sections of a genome.(a) Outline...
Spring
3