Theory

CH4 - BIOLOGICAL MOLECULES

Which solutions are used for testing for protein, reducing sugar and starch? [Table_1]

2010 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

A protease is added to a suspension of egg protein in a test-tube and kept at 37°C.After 8 minutes, the protein changes from cloudy to transparent.Wh...

2010 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

Which solutions are used for testing for protein, reducing sugar and starch?[Table_1]

2010 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

A protease is added to a suspension of egg protein in a test-tube and kept at 37°C. After 8 minutes, the protein changes from cloudy to transparent. ...

2010 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

Which solutions are used for testing for protein, reducing sugar and starch? [Table_1] Table: | | test for protein | test for reducing sugar | te...

2010 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

A protease is added to a suspension of egg protein in a test-tube and kept at 37°C. After 8 minutes, the protein changes from cloudy to transparent. ...

2010 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

Nutrients are made up of smaller basic units. Nutrients can be identified by food tests.Which nutrient is a protein?nutrient | smaller basic units | f...

2011 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

Nutrients are made up of smaller basic units. Nutrients can be identified by food tests. Complete the table given below:   Nutrient Smal...

2011 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

Nutrients are made up of smaller basic units. Nutrients can be identified by food tests. Which nutrient is a protein?[Table_1: nutrient | smaller basi...

2011 Summer

Theory

CH4 - BIOLOGICAL MOLECULES

Small molecules are used as the basic units in the synthesis of large food molecules. Which statement is correct? A Amino acids are basic units of c...

2011 Winter

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

What is defined as the chemical reactions that break down food molecules in cells to release energy?A excretionB movementC nutritionD respiration

2010 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows an arthropod animal. Which features are characteristic of all arthropods?A. jointed legs and segmented bodyB. jointed legs and thora...

2010 Summer

Theory

CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS

The diagram shows a section through a flower.Using the key, identify this flower.1. sepals present .................................................. ...

2010 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the most likely number of chloroplasts in three types of cell in a leaf?[Table_1]

2010 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

The diagram shows some liver cells as they appear under the microscope. How many cell walls can be seen?A 0 B 2 C 3 D 5

2010 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which row shows the structures present in plant and animal cells?[Table_1: | | cell wall | cytoplasm | nucleus | cell membrane ||--------|-----...

2010 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which structure is at a different level of organisation from the other three?A) kidneyB) liverC) neuroneD) testis

2010 Summer

Theory

CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM

Which diagram shows one organ only?[Image_1 with diagrams labeled A, B, C, D]

2010 Summer

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

On a dry, sunny day, how does water vapour move through the stomata of a leaf?A. into the leaf by diffusionB. into the leaf by osmosisC. out of the le...

2010 Summer

Theory

CH3 - MOVEMENT IN AND OUT OF CELLS

The diagram shows an experiment using a potato.Which shows the result of the experiment after 24 hours?ABCD

2010 Summer