1. Plants need carbon dioxide, water, light, and chlorophyll in order to make starch by photosynthesis. What do you call the holes in the leaves where carbon dioxide enters plants?
Select one:
a. Cuticles
b. Stomata
c. Chloroplast
d. Air spaces
2. Which of the following physiological event is not maintained by homeostasis?
Select one:
a. Temperature of the body.
b. Blood pressure.
c. Concentration of oxygen in the body.
d. Concentration of nutrients in the body.
3. What do you call when the hormone release stops because the stimulus that triggered it- like thirst or high blood sugar is satisfied or corrected?
Select one:
a. Negative feedback system
b. Solar system
c. Positive feedback system
d. Lock and key system
4. A plant growing on a shady side of a tall fence bends around the corner of the fence toward the sunlight. This illustrates which of the following?
Select one:
a. Hydrotropism
b. Geotropism
c. Thigmotropism
d. Phototropism
5. Pollination refers to which of the following?
Select one:
a. Transfer of the pollen from the anther to the filament.
b. Transfer of pollen grain from the stigma to the anther.
c. Transfer of pollen grain from the anther to the stigma.
d. Transfer of the pollen from the style to the ovary.
6. What do you call the phytohormone which is also referred to as ripening hormone?
Select one:
a. IAA
b. Gibberellin
c. Cytokinin
d. Ethylene
7. Which reproductive part of the flower contains the female sporangia or megasporangia and will eventually become the seed?
Select one:
a. Style
b. Anther
c. Stigma
d. Ovule
8. What do you call the structure of the male animal that carries both urine and sperm?
Select one:
a. Ureter
b. Urethra
c. Artery
d. Oviduct
9. Which hormone is released from ovaries?
Select one:
a. Estrogen
b. Both B and C
c. Progesterone
d. Testosterone
10. Which part of the digestive system starts the digestive process?
Select one:
a. Small Intestine
b. Mouth
c. Stomach
d. Large Intestine
Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.
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