Q9:
AS & A Level Biology - 9700 Paper 4 2023 Summer Zone 3
Share
Previous
Questions:
9/10
Topic: CH15 - CONTROL AND CO-ORDINATION
Solution
PRACTISE
Similar Questions
LEARN
Concepts with Sparky
More Questions from this Topic
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) Fig. 1.1 is a diagram of a motor neurone of a rat and a motor neurone of a snail.(i) Name the structures labelled A, B and C on Fig. 1.1.............
Winter
3
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) Striated muscle is composed of myofibrils. Myofibrils contain several structural proteins including troponin, tropomyosin, actin and myosin.Outlin...
Spring
3
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) A touch stimulus to an $M. pudica$ leaf causes an action potential to be generated. The action potential results in changes in cells, which cause ...
Winter
3
Theory
CH15 - CONTROL AND CO-ORDINATION
The scientist Gregor Mendel investigated differences in the length of the stem in the pea plant, Pisum sativum. In 1866, he published the results of h...
Spring
2
Theory
CH15 - CONTROL AND CO-ORDINATION
Humans detect the sweet taste of sucrose sugar using chemoreceptor cells in taste buds on the tongue. The red admiral butterfly, Vanessa atalanta, det...
Summer
3
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) Coordination in humans involves two main systems: the nervous system and the endocrine system. Paracrine cell signalling is a third way in which c...
Summer
3
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) Fig. 8.1 is a diagram of a sensory neurone.(i) Name the type of cell represented by cell A. [1]......................................................
Summer
2
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) Fig. 8.1 is a diagram of a motor neurone.[Image of motor neurone labeled X, Y, Z] (i) Name cell X and part Y.........................................
Winter
3
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) An investigation was carried out to study the effect of different intensities of blue light on the percentage germination of barley seeds. Barley ...
Spring
3
Theory
CH15 - CONTROL AND CO-ORDINATION
(a) Fig. 10.1 is a diagram of part of a neurone membrane while the resting potential is maintained. On Fig. 10.1, use label lines and letters to label...
Summer
3
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