Get premium membership and access questions with answers, video lessons as well as revision papers.
root hairs are found near the root tip
they are cells with elongated ?nger-like projections which are in contact with soil particles
they are permeable to water and mineral salts hence are used to absorb Water and mineral salts
There large number offers a large surface area for absorption of water and mineral salts.
Mohaissack answered the question on October 4, 2017 at 12:47
- Explain the necessity of transport in plants and animals(Solved)
Explain the necessity of transport in plants and animals
Date posted: October 4, 2017. Answers (1)
- Define the term species(Solved)
Define the term species
Date posted: October 4, 2017. Answers (1)
- How does a DNA molecule code for a protein. Describe the process completely.(Solved)
How does a DNA molecule code for a protein. Describe the process completely.
Date posted: October 4, 2017. Answers (1)
- Describe the process of DNA replication(Solved)
Describe the process of DNA replication
Date posted: October 4, 2017. Answers (1)
- Describe the structure of DNA.(Solved)
Describe the structure of DNA.
Date posted: October 4, 2017. Answers (1)
- Name the organ that detects a change in body temperature(Solved)
Name the organ that detects a change in body temperature
Date posted: September 30, 2017. Answers (1)
- What is Respiration?(Solved)
What is respiration?
Date posted: September 28, 2017. Answers (1)
- Describe the economic importance of (i) Fungi (ii) Bacteria(Solved)
Describe the economic importance of
(i) Fungi
(ii) Bacteria
Date posted: September 28, 2017. Answers (1)
- Name two causes of allergic reactions.(Solved)
Name two causes of allergic reactions.
Date posted: September 25, 2017. Answers (1)
- Give one function of Iron as an element in human body and deficiency disease caused?(Solved)
Give one function of Iron as an element in human body and deficiency disease caused?
Date posted: September 25, 2017. Answers (1)
- State two functions of bile salts produced by liver.(Solved)
State two functions of bile salts produced by liver.
Date posted: September 25, 2017. Answers (1)
- State two common reagents for testing for the presence of proteins in a food substance.(Solved)
State two common reagents for testing for the presence of proteins in a food substance.
Date posted: September 25, 2017. Answers (1)
- What is natural selection?(Solved)
What is natural selection?
Date posted: September 25, 2017. Answers (1)
- What is oxygen debt?(Solved)
What is oxygen debt?
Date posted: September 25, 2017. Answers (1)
- State two physiological changes that take place in the human skin in order to
facilitate heat gain in the body.(Solved)
State two physiological changes that take place in the human skin in order to
facilitate heat gain in the body.
Date posted: September 25, 2017. Answers (1)
- An organ is with an exoskeleton, segmented body, two pairs of legs per segment, a pair of eyes and a pair short antennae belongs to...(Solved)
An organ is with an exoskeleton, segmented body, two pairs of legs per segment, a pair of eyes and a pair short antennae belongs to the phylum
Date posted: September 25, 2017. Answers (1)
- Explain how surface area and volume are related to temperature control in rats.(Solved)
Explain how surface area and volume are related to temperature control in rats.
Date posted: September 25, 2017. Answers (1)
- What is the significance of getting rid of the lactic acid produced during
anaerobic respiration in animals?(Solved)
What is the significance of getting rid of the lactic acid produced during
anaerobic respiration in animals?
Date posted: September 25, 2017. Answers (1)
- One can use both the nose and mouth for inhalation. Explain which is the more appropriate path of
inhalation.(Solved)
One can use both the nose and mouth for inhalation. Explain which is the more appropriate path of
inhalation.
Date posted: September 25, 2017. Answers (1)
- Name part of mammalian digestive system where the digestion of fats begins.(Solved)
Name part of mammalian digestive system where the digestion of fats begins.
Date posted: September 25, 2017. Answers (1)