Multiple Choice Past Paper questons Flashcards Preview

Biology > Multiple Choice Past Paper questons > Flashcards

Flashcards in Multiple Choice Past Paper questons Deck (16):
1

Some yeast, sugar and water are mixed in a test tube. The diagram shows the test tube at the start and after one house. Which process causes this change ?

Respiration

2

What are the functions of Xylum vessels?

Conduction and support

3

Active transport is the movement of.....

Particles form a region of lower concentration to a region of higher concentration using energy from respiration.

4

The diagram shows an experiment to demonstrate the movement of molecules. After one house the water in the beaker turns red. What is the most likely reason for this change?

Molecules of red ink move through the membrane by diffusion

5

Small molecules are used as the basic units in the synthesis of large food molecule. Which statement is correct?

Glycerol is a basic unit of oils

6

Which substance, needed for photosynthesis, is carried into the leaf from the sun

Nitrate

7

The diagram shows the human alimentary canal. In which structure is the most glucose absorbed into the blood

C - (Intestines)

8

Which dietary component is unlikely to be deficient in a meat free diet

Fibre

9

Which substances are dissolved in human blood plasma

Glucose, hormones and urea

10

Which chamber of the heart has the thickest muscle wall

Left ventricle

11

Compared with atmospheric air, air breathed out by humans contains.....

more water vapor and more carbon dioxide

12

What is the word equation for aerobic respiration in plants

Glucose + Oxygen - Carbon dioxide + Water

13

Albinism is an inherited condition in which pigment does not develop in the skin, hair and eyes. The allele for albinism is recessive. What are the chances of albino parents having an albino child

100%

14

What name is given to the observable features of an organism

Phenotype

15

The graph shows a population growth curve. Which factors would cause region X on the graph to become steeper

Increase in food supply, decrease in disease

16

A gene for insulin is taken from a human cell and placed in bacterium. The bacterium an then make human insulin. What is the process for this called

Genetic engineering