Edexcel A2 Biology 3

Welcome to your Edexcel A2 Biology 3

Select the incorrect statement regarding the Nitrogen cycle.

What happens during the P wave of electrocardiogram?

A factor which does not affect the possibility of contracting diabetes mellitus?

Lack of rhodopsin could cause the following condition.

Select the correct statement regarding cones.

The main cardiac control region of the brain.

Which of the following is not an example of a neurotransmitter?

Which of the following is incorrect regarding the role of synapses?

Which of the following is incorrect regarding the unequal distribution of ions inside and outside of a resting nerve fibre?

Choose the correct statement regarding the mineralization process of decomposition.

Which of the following is an incorrect statement about the homeostatic control of the concentration of glucose in the blood?

A factor which does not affect the speed of conductance in neurones.

The motor neurone forms a ______ with each muscle fibre and the synapse is called a _______.

Which of the following is incorrect regarding the selective permeability of neurilemma on a resting nerve fibre?

The part of a myofibril between two Z lines is called a _________.

Which of the following foods can lead towards diabetes mellitus?

Which of the following is responsible for saltatory conduction in myelinated neurones?

In which heart chamber's wall does the electrical initiation of a heartbeat begin?

What does the electrocardiogram (ECG) T wave indicate is happening in the heart?

Select the incorrect statement from the following.

The process where dead plant and animal matter is being converted into fine brown particles by soil micro organisms.