Consider the following statements : 1. Red algae appear black since they do not absorb light of any wavelength. 2. Yeast is commonly used for fermentation prior to baking. 3. Olive oil is extracted from seeds of olive plants. 4. Commercially used saffron

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Q: 48 (SCRA/2012)
Consider the following statements :
1. Red algae appear black since they do not absorb light of any wavelength.
2. Yeast is commonly used for fermentation prior to baking.
3. Olive oil is extracted from seeds of olive plants.
4. Commercially used saffron represents dried stigmas from flowers.
Which of the statements given above are correct?

question_subject: 

Science

question_exam: 

SCRA

stats: 

0,29,26,16,2,8,29

keywords: 

{'yeast': [3, 0, 0, 2], 'red algae': [1, 0, 0, 1], 'olive plants': [0, 0, 0, 1], 'fermentation': [4, 0, 0, 0], 'olive oil': [0, 0, 1, 1], 'saffron': [1, 0, 0, 0], 'seeds': [3, 0, 2, 2], 'wavelength': [0, 0, 3, 3], 'light': [16, 4, 34, 62]}