Consider the following statements about carbohydrates: 1. Glucose is a monosaccharide. 2. Sucrose is a disaccharide. 3. Cellulose is a storage polysaccharide in plants. Which of the above is/are correct? MCQ with Answer and Explanation

Explanation:
Smooth muscle is non-striated, involuntary, and forms the muscular layer of the digestive tract (esophagus, stomach, intestines), responsible for peristalsis. Skeletal muscle is voluntary and striated, cardiac is heart-specific.

Explanation:
Growth hormone (somatotropin) stimulates protein synthesis, cell division, and growth of bones and muscles, especially during childhood. Thyroxine regulates metabolism, cortisol is a stress hormone from the adrenal cortex, adrenaline is from the adrenal medulla. GH deficiency leads to dwarfism; excess causes gigantism or acromegaly.

Explanation:
The Haber-Bosch process synthesizes ammonia from N₂ and H₂ under high temperature and pressure with a catalyst. It is the main industrial nitrogen fixation for fertilizers. Biological fixation is by microbes.