Choose the correct answer from the four options given below:

Pulse wave is mainly caused by the:

1. Systole of atria
2. Diastole of atria
3. Systole of the left ventricle
4. Systole of the right ventricle

Choose the correct answer from the four options given below:

The recessive gene is one that expresses itself in:

1. Heterozygous condition
2. Homozygous condition
3. F₂ generation
4. Y-linked inheritance

Choose the correct answer from the four options given below:

The ventral root ganglion of the spinal cord contains cell bodies of the:

1. Motor neuron
2. Sensory neuron
3. Intermediate neuron
4. Association neuron

Given below is an example of certain structures and their special functional activities:
For example : Eye and vision.
On, a similar pattern complete the following:

(i) Neutrophils

(ii) Ureter

(iii) Neurotransmitters

(iv) Iris of the eye

(v) Placenta