Theory

CH13 - EXCRETION IN HUMANS

Which process removes the waste products of metabolism from the body? A. excretion B. nutrition C. reproduction D. respiration

2009 Summer

Theory

CH13 - EXCRETION IN HUMANS

The diagram shows a kidney and its blood vessels. In a healthy person, which structures transport glucose?A artery onlyB artery and ureterC artery ...

2009 Summer

Theory

CH13 - EXCRETION IN HUMANS

Blood passes through the kidney and some substances leave the blood as filtered liquid. From this liquid certain substances are reabsorbed back into t...

2009 Winter

Theory

CH13 - EXCRETION IN HUMANS

Blood passes through the kidney and some substances leave the blood as filtered liquid. From this liquid certain substances are reabsorbed back into t...

2009 Winter

Theory

CH13 - EXCRETION IN HUMANS

(a) Use label lines and the letters P, Q and R to identify the areas in the tubule shown in Fig. 4.1. P where blood is filtered, Q where glucose is re...

2009 Winter

Theory

CH13 - EXCRETION IN HUMANS

Which organ produces urea?A. bladderB. kidneyC. liverD. pancreas

2010 Summer

Theory

CH13 - EXCRETION IN HUMANS

Which organ produces urea? A. bladder B. kidney C. liver D. pancreas

2010 Summer

Theory

CH13 - EXCRETION IN HUMANS

Which organ produces urea?A. bladderB. kidneyC. liverD. pancreas

2010 Summer

Theory

CH13 - EXCRETION IN HUMANS

Which substance is lost from the body by the kidneys, lungs and skin? A. carbon dioxide B. excess ions C. urea D. water

2010 Winter

Theory

CH13 - EXCRETION IN HUMANS

Which substance is lost from the body by the kidneys, lungs and skin?A. carbon dioxideB. excess ionsC. ureaD. water

2010 Winter

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) (i) State the name of the gas exchange surface in humans. ...........................................................................................

2022 Spring

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 2.1 is a photomicrograph showing the fertilisation of one human egg cell. [Image_1: Photomicrograph of fertilisation with label 'sperm']Descr...

2022 Spring

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) A scientist investigated the effect of temperature on the mass of leaves picked from a tea plant, *Camellia sinensis*.• Three samples of leaves ...

2022 Spring

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Fig. 4.1 is a diagram of Vibrio cholerae, the bacterium that causes cholera. (i) Describe two similarities and two differences between a palisade ...

2022 Spring

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The Arabian oryx and the northern white rhinoceros are both mammals.Fig. 5.1 is a photograph of an Arabian oryx. Fig. 5.2 is a photograph of a norther...

2022 Spring

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

(a) Complete Table 6.1 to show the names, functions and sites of action of the three different digestive enzymes.Table 6.1| name of enzyme | function ...

2022 Spring

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

MCQ

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

Which diagram shows a flower from a monocotyledon?

2022 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross-section through two guard cells of a leaf. Which labelled structures would also be found in an animal cell?

2022 Summer

MCQ

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows a cross-section through a leaf. Which label shows a tissue?

2022 Summer