Which of the following pigments is associated with the germination of seeds?
Phytochrome
Plastocyanin
Chlorophyll
Xanthophyll
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
If P, F and A represent pressure, force and area respectively, then
=
B.
The three pressure, force and area are scalar quantities which are expressed in italics .