One significant difference between roots and stem is that
Branch roots originate in the pericycle while stem do not
Stems are always bove the ground while root are always below the ground
Stems are positively geotropic while roots are negatively geotropic
Stem are sometime used for storage while roots are never used
Stems grow in both length and circumference while root grow only in length
Correct answer is A
No explanation has been provided for this answer.
Magnesium is utilized in the formation of
ATP
Glucose
Amino acids
Chlorophyll
Fats
Correct answer is D
No explanation has been provided for this answer.
The element nitrogen is utilized in
Formation of ATP
Formation of glucose
Formation of amino acid
Photosynthesis
None of the above
Correct answer is C
No explanation has been provided for this answer.
Root hair have their origin from
Endodermis
Pericycle
Cortex
Epidermis
Xylem
Correct answer is D
Asymmetric cell division in an epidermal cell gives rise to a large cell (atrichoblast) that develops into a hairless epidermal cell and a shorter 'specialized' cell that forms a root hair (trichoblast).
Insect show consideration powers of water conservation. This is due to the fact that
The chitinous cuticle is impregnated with tanned protein
Nitrogenous waste is eliminated as urea
Chitin is impermeable to water
The malpighian tubules are impermeable to water
The curticle is covered with wax
Correct answer is C
No explanation has been provided for this answer.