MCQ
The highest concentration of auxin is found to be in ______.
- Axylem and phloem cells only
- Bat the base of various plant organs
- ✓growing tip of plants
- Dfruits
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| (i) | Heart |
| (ii) | Sweat glands |
| (iii) | Adrenal medulla |
| (iv) | Middle ear |
| (v) | Urinary bladder |
| (vi) | Dermis of skin |
| Column - I | Column - II | ||
| i. | Duodenum | a. | A cartilaginous flap |
| ii. | Epiglottis | b. | Blind sac present at the junction of ileum and colon |
| iii. | Glottis | c. | 'U' shaped structure emerging from the stomach |
| iv. | Caecum | d. | Opening of pharynx into trachea |