Largest number of chloroplast is found in :
palisade tissue
spongy tissue
transfusion tissue
bundle sheath cells
A.
palisade tissue
Dorsiventral leaf of dicot plant consits of epidermis, mesophyll and vascular bundles. Mesophyll is further divided into palisade tissue and spongy tissue.
Palisade tissue is a upper layer that consists of closely arranged cells containing numerous chloroplasts. Spongy tissue consists of losely arranged cells. Most of the photosynthesis takes place in palisade tissue.
Which of the following does not match ?
Muscular movement - ATP
Heart - pace maker
Monocyte - haemoglobin
Nerve impulse - acetylcholine
Defect in amino acid metabolism may results in :
albinism
porphyria
Wilson's disease
phenylketonuria
Which of the following taxonomist described classification of plant kingdom in "Families of flowering plants" ?
Cronquist
Takhtajan
Benson
Hutchinson
Rarely among angiosperms the pollen grains influenced the endosperm. This is called as :
Metaxenia
Nemec phenomenon
Xenia
Mesogamy
Growth rings are formed due to activity of :
extrastelar cambium
intrastelar cambium
interstelar cambium
both 'b' and 'c'
