Which of the following is a function of roots? absorbs water absorbs nutrients f
ID: 170398 • Letter: W
Question
Which of the following is a function of roots? absorbs water absorbs nutrients from the soil stores food all of the above Which of the following are the tiny projections found on roots that increase the surface area? root hairs cotyledons nodes mesophyll Which of the following constitute the shoot system of a plant? leaves stems flowers all of the above Which of the following describes the sites of leaf attachment in a stem? joints nodes intimates cotyledons Which of the following is a stem modification for storage? tuber petiole rhizome runner Which of the following best describes the function of typical leaves? anchoring photosynthesis shade storage of the sugars produced Which of the following describes the single layer of tightly packed cells that cover the entire root? xylem root hairs epidermisExplanation / Answer
Answer= 38]
The functions of root is
D} All of above
Explaination =
the functions of roots are
1] Absorb water=roots absorb water from soil
water from soil enters into root xylem called as mechanism of absorption
both active & passive absorption
2] Absorbs nutrients from the soil= & provides to different parts of plant body
they absorb minerals dissolved in solution from soil through their root hair cells
3] Stores food = examples of roots like carrot which store food in form of starch
beet root
Answer 39]
Tiny projections which are found on roots that increses the surface area are
A] Root hairs
Explaination= Root hairs greatly increase the surface area
They are lateral extensions of single cell & on rarely branched
they found in the region of maturation of the root
they have large surface area helps to absorb water
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