Use the diagram below to answer this question.
The zone of physiological stress is represented by
l and ll
ll only
ll and lll
l and lll
Correct answer is D
Physiological stress can be defined as any external or internal condition that challenges the homeostasis of a cell or an organism.
It can be divided into three different aspects: environmental stress, intrinsic developmental stress, and aging.
That zone is option D
Use the diagram below to answer this question.
The content of the part labelled lll is usually?
neutral
alkaline
acidic
saline
Correct answer is C
The stomach acid's low pH level is largely attributable to one ingredient: hydrochloric acid (HCl).
Use the diagram below to answer this question.
Emulsification of fats takes place in the part labelled?
l
ll
lll
lV
Correct answer is D
Fat emulsification is the process of increasing the surface area of fats in the small intestine by grouping them into small clusters.
This is the responsibility of bile, a liquid created by the liver and stored in the gallbladder. Actual digestion of the fats is then accomplished by lipase, an enzyme from the pancreas
Use the diagram below to answer this question.
spongy mesophyll
upper epidemis
cuticle
vein
Correct answer is C
The plant cuticle is the outermost layer of plants. It covers leaves, fruits, flowers, and non-woody stems of higher plants.
It protects plants against drought, extreme temperatures, UV radiation, chemical attack, mechanical injuries, and pathogen/pest infections.
Use the diagram below to answer this question.
The structure that controls loss of water vapour during transpiration is labelled
l
ll
lll
lV
Correct answer is D
The stomata regulates gas exchange between the plant and environment and controls water loss by changing the size of the stomatal pore.
Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata.
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