multiple choice questions 1 stomata open due to a influx of calcium ions influx of potassium ion

1. The correct answer is b. Stomata open due to the influx of potassium ions.

Question

1. Stomata open due to a. influx of calcium ions b. influx of potassium ions c. efflux of potassium ions d. influx of hydrogen ions 2. Loss of water in the early morning from tips of leaves is called a. guttation b. transpiration c. respiration d. bleeding 3. Maximum water loss occurs through a. stomata b. lenticels c. hydathodes d. cuticle 4. In a free-floating hydrophyte, stomata are a. absent b. present on the upper surface c. present on the lower surface d. present on both surfaces 5. Which of the following is not an isobilateral leaf? a. Rice b. Wheat c. Sugarcane d. Mango 6. The leaf showing stomata on both surfaces is known as a. astomatic leaf b. epistomatic leaf c. hypostomatic leaf d. amphistomatic leaf

          1. Stomata open due to
a. influx of calcium ions
b. influx of potassium ions
c. efflux of potassium ions
d. influx of hydrogen ions

2. Loss of water in the early morning from tips of leaves is called
a. guttation
b. transpiration
c. respiration
d. bleeding

3. Maximum water loss occurs through
a. stomata
b. lenticels
c. hydathodes
d. cuticle

4. In a free-floating hydrophyte, stomata are
a. absent
b. present on the upper surface
c. present on the lower surface
d. present on both surfaces

5. Which of the following is not an isobilateral leaf?
a. Rice
b. Wheat
c. Sugarcane
d. Mango

6. The leaf showing stomata on both surfaces is known as
a. astomatic leaf
b. epistomatic leaf
c. hypostomatic leaf
d. amphistomatic leaf

Added by Anthony B.

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