9th Class Biology Chapter 8 Test08. Plant Physiology

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. A solution with less amount of solute is called:
   1. Hypotonic
   2. Isotonic
   3. Hypertonic
   4. Supertonic
2. It is not an example of micronutrient.
   1. Boron
   2. Calcium
   3. Iron
   4. Copper
3. Define the term calyx and corolla.
4. It is not a characteristic of tap root.
   1. A thick primary root
   2. Found in monocot plants
   3. Several secondary roots
   4. Have tertiary roots
5. Most of the uptake of water and minerals from soil takes place through:
   1. epidermal cells
   2. root cap
   3. root
   4. root hair
6. The waste product of respiration in plants is:
   1. Salts
   2. Calcium oxalate
   3. Oxygen
   4. Carbon dioxide
7. What would happen to a plant cell placed in a hypotonic environment:
   1. Becomes turgid
   2. Becomes flaccid
   3. No effect
   4. Be dead
8. The process of taking in of nutrients by the organism is called:
   1. Assimilation
   2. Nutrient
   3. Nutrition
   4. Metabolism
9. What drives the translocation of organic solutes in plants?
   1. Differences in sugar concentration
   2. Differences in leaf size
   3. Differences in root structure
   4. Differences in stem length
10. Define pollination and its types.