Question

Q.3 – Select the odd man out: [5]

1. Skin, Brain, Kidneys, Lungs.

2. Gum, Resin , Urea , Latex

3. Gibberllin , Auxin , Thyroxine ,Cytokinin.

4. Dendrite , cell body, Axon , Synapse

5. Thyroxine , Calcitonin , Insulin , Auxin .​

Answer 1

Answer:

The answer of first is Skin

Answer 2

The larynx is on organ commonly called the voice-box, while glucagon, testosterone, prolactin are names of hormones.

(b) Penicillin is an antibiotic, while adrenaline, insulin, and thyroxin are hormones.

(c) Stomach, ileum, and liver are some of the organs of the body, while adrenaline is a hormone.

(d) GB or gallbladder is an organ, while TSH, ADH, and insulin are hormones.

(e) Iodine is a chemical element or a nutrient needed by the body to synthesize thyroxine, while cretinism, goiter, and myxoedema are diseases.