Theory

CH4 - BIOLOGICAL MOLECULES

Fig. 2.1 is a diagram of the alimentary canal.(a) Table 2.1 shows some of the processes that occur in the alimentary canal.Use the letters in Fig. 2.1...

2017 Summer

3

Theory

CH4 - BIOLOGICAL MOLECULES

Nervous coordination uses specialised cells called neurones.Fig. 2.1 is a diagram showing three neurones.(a) State the name of the type of neurone lab...

2019 Winter

2

Theory

CH4 - BIOLOGICAL MOLECULES

(a) (i) The box on the left shows the beginning of a sentence.The boxes on the right show some sentence endings.Draw two straight lines from ‘Excret...

2020 Winter

2

Theory

CH4 - BIOLOGICAL MOLECULES

One type of nuclear division produces genetically identical cells.(a) State the name and one role of the type of nuclear division that produces geneti...

2022 Summer

2

Theory

CH4 - BIOLOGICAL MOLECULES

(a) Large molecules are made from smaller molecules.State the name of the \textbf{two} small molecules that make fats and oils.1 ........................

2022 Winter

2

MCQ

CH4 - BIOLOGICAL MOLECULES

The diagram shows two food molecules before and after they have been digested by enzymes. What identifies the products of fat digestion?

2013 Winter

3

MCQ

CH4 - BIOLOGICAL MOLECULES

Four foods were tested forfat (using ethanol),protein (using the biuret test),reducing sugar (using Benedict’s solution),starch (using iodine soluti...

2009 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

Four foods were tested for each of the following nutrients: fat (using ethanol);protein (using the biuret test);reducing sugar (using Benedict’s sol...

2013 Winter

1

MCQ

CH4 - BIOLOGICAL MOLECULES

A student set up a test-tube containing starch, water and amylase. How could the student test whether the amylase had digested all the starch?

2013 Summer

2

MCQ

CH4 - BIOLOGICAL MOLECULES

A human cell contains a length of DNA that carries the code for making which substance?

2013 Summer

1

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

(a) Identify the structure in the cell that contains the genetic material.Label this structure on Fig. 1.1 by stating its name in the space provided a...

2022 Spring

2

Theory

CH16 - REPRODUCTION

(a) Fig. 2.1 is a diagram of the male reproductive system in humans. The boxes on the left show the letters in Fig. 2.1 that identify parts of the mal...

2022 Spring

3

Theory

CH9 - TRANSPORT IN ANIMALS

(a) Fig. 3.1 is a diagram of a section through a human heart. (i) Draw the letter X on Fig. 3.1 to show the position of the septum. [1](ii) State the ...

2022 Spring

3

Theory

CH12 - RESPIRATION

(a) A student investigated aerobic respiration in an arthropod.Fig. 4.1 shows the apparatus the student used.The potassium hydroxide solution removed ...

2022 Spring

4

Theory

CH6 - PLANT NUTRITION

(a) Fig. 5.1 is a drawing of part of a cross-section of a leaf. (i) Complete Table 5.1 by stating the names of the parts labelled in Fig. 5.1.Table 5....

2022 Spring

2

Theory

CH5 - ENZYMES

(a) A researcher investigated the effect of temperature on two different biological washing powders, A and B. Two identical pieces of clothing were s...

2022 Spring

1

Theory

CH19 - ORGANISMS AND THEIR ENVIRONMENT

(a) Scientists recorded the percentage of endangered species in each of the five groups of vertebrates, in 2000 and 2011. Fig. 7.1 shows the results....

2022 Spring

2

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

All living organisms release energy from nutrient molecules within their cells. What is the name of this characteristic?

2022 Summer

1

MCQ

Biological Classification System and Evolutionary Relationships

The horse, Equus ferus, and the donkey, Equus asinus, are able to interbreed. The offspring they produce is called a mule. Which statement is correct...

2022 Summer

2

MCQ

Animal Kingdom - Arthropods and Vertebrates

The diagram shows an organism. Which type of arthropod is this organism?

2022 Summer

3