Which of the following best illustrates FEEDBACK in development?
1. Tissue (X) secretes RNA which changes the development of tissue (Y)
2. As tissue (X) develops, it secretes enzymes that inhibit the development of tissue (Y)
3. As tissue (X) develops, it secretes something that induces tissue (Y) to develop
4. As tissues (X) develops, it secretes something that shows down the growth of tissue (Y)
Subtopic:  Vitamins, Hormones & Enzymes |
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 The disease caused by deficiency of vitamin B1 is:

1. Convulsions 2. Beri-beri
3. Cheilosis 4. Sterility
Subtopic:  Vitamins, Hormones & Enzymes |
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Which of the following is not a fat-soluble vitamin?

1. Vitamin A 

2. Vitamin B complex

3. Vitamin D 

4. Vitamin E

Subtopic:  Vitamins, Hormones & Enzymes |
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Which of the following hormones contains iodine?

1. Insulin

2. Testosterone

3. Adrenaline

4. Thyroxine

Subtopic:  Vitamins, Hormones & Enzymes |
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An amine that acts as a hormone is:
1. Thyroxine 2. Oxypurin
3. Insulin 4. Progesterone
Subtopic:  Vitamins, Hormones & Enzymes |
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Which one of the following vitamins is water-soluble?

1. Vitamin-B 2. Vitamin-E
3. Vitamin-K 4. Vitamin-A
Subtopic:  Vitamins, Hormones & Enzymes |
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During the process of digestion, the proteins present in food materials are
hydrolysed to amino acids as shown below.

Proteins  \(\xrightarrow[]{\textbf{Enzyme(A)}}\mathrm{}\) Polypeptides  \(\xrightarrow[]{\textbf{Enzyme(B)}}\mathrm{}\)  Amino acids
 
Enzymes (A) and (B)  are respectively:
 

1. Amylase and maltase 2. Diastase and lipase
3. Pepsin and trypsin 4. Invertase and zymase
Subtopic:  Vitamins, Hormones & Enzymes |
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Which one of the following is a peptide hormone?

1. Glucagon

2. Testosterone

3. Thyroxin

4. Adernaline

Subtopic:  Vitamins, Hormones & Enzymes |
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