Which of the following pigments is associated with the germination of seeds?
Phytochrome
Plastocyanin
Chlorophyll
Xanthophyll
A.
Phytochrome
Phytochrome is a blue-green plant pigment which regulates plant development, including seed germination, stem growth, leaf expansion, pigment synthesis, and flowering. Phytochrome has been found in most of the organs of seed plants and free-sporing plants.
The tissue that connects one bone with the other is called
adipose tissue
cartilage
epithelium
ligament
The source of oxygen liberated as a byproduct during photosynthesis is
carbon dioxide
water
glucose
chlorophyll
The component of blood that prevents its clotting in intact blood vessels is
antibody
heparin
thrombin
haemoglobin
Which of the following acids is also a vitamin?
Formic acid
Ascorbic acid
Maleic acid
Palmitic acid