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
The SI unit of heat is
joule
erg
calorie
watt
A.
joule
Heat is the form of energy, transferred between two systems by virtue of temperature difference. The SI unit of heat energy transferred is expressed is joule (J). CGS unit of energy (work) is erg and for heat transferred it is calorie watt is the unit of power.