fusiform intials are   type meristem initials produced 
from  original meristems or dedifferentiated parenchyma 
celle they by divisions produce which develops into 
secondary xylem during secondary growth

by saprophytic mode of nutrition.

by saprophytic mode of nutrition.

by heterotrophic and saprophytic mode of nutrition.

it is both because in ginger nodes and internodes both are 
avialable.

it is a modified stem called as rhizome

root

modified stem of a rhizome

Ginger is  a modified stem  used by plant   for storing 
food . It has  nodes  and internodes , and it bears ROOTS

CARLUS LINNAEUS IS THE FATHER OF MODERN BOTANY.HE IS ALSO 
KNOWN AS FATHER OF TAXONOMY

Father of botany is THEOPHRATUS.But the father of modern 
botany is CARLOUS LINNAUES.He is also known as FATHER OF 
TAXONOMY

Delonix regia

IT IS A CYANOBACTERIA

many types of fungi are obligate parasites /saprophytes & 
are potent phyto,anlmal & human pathogens causing serious 
diseases .They are responsible for spoilage of foods ,paper 
fibr/any materials  .They are also imp.group of 
aeroallergens causing respiratory ,skin allergy .

Because plant on respiration gives co2, because the absence
of light. If light is present the released co2 is again
absorbed in the process of photosynthesis. So in nights if
we sleep under big trees we do not have sufficient amount of
oxygen.

cause plants on respiration gives co2, because the absence
of light. If light is present the released co2 is again
absorbed in the process of photosynthesis. So in nights if
we sleep under big trees we do not have sufficient amount of
oxygen.
 3th standard science

it is said so because during night time plants also take up 
oxygen and give out carbondioxide .

if we sleep under the trees so it can harm are body because at night they leave 
carbon dioxide which is harmful for our body.

with the help of difference in number of stomata

There is thick cuticle above the upper epidermis

the lower epidermis has less stomata than the upper
epidermis...

natural tree

"balsamea

The scientific name of Christmas tree is 'Pseudotsuga 
menzietii'

arocaria

The scientific name of Christmas tree is Arocaria auricana.