Molecular Biology Notes Questions with Answers PDF Download - 191

Which one is true about cuticlar transpiration

1. is the same as the stomatal transpiration
2. helps plant get rid of excess water
3. is more common in plants
4. looses lesser water as cuticle is relatively impermeable to water

Presence of starch verifies that

1. photosynthesis has not taken place
2. photosynthesis has taken place
3. it has nothing to do with photosynthesis
4. photosynthesis hasn't taken place

Age, Gender, Body size and climate determine the

1. growth rate of an individual
2. basal metabolic rate
3. basal hydrolysis rate
4. pressure influence on growth rate

Upon the emergence of stem, the cotyledons bend over

1. due to weaker lignin deposition
2. due to under process development of vascular bundles
3. to protect the delicate Plumule
4. to avoid sunlight from hitting the stem directly

Zero emission cars will produce

1. carbon monoxide as waste
2. water as waste
3. carbon dioxide as waste
4. hydrogen and oxygen as waste