Science For You

[Perfection]

Which cells produce antibodies againest invading antigens ?
White Blood Corpuscles
What is the normal beat of man ?
70-72 times per minute
Which type of WBC has big nucleus ?
Lymphocyte
What is the name of the blood pigment present in prawns ?
Haemocyanin
What is the unit of muscule fibre ?
Sarcomere
What is the weight of adult human heart ?
220-260 g
Name the artery which supplies blood to the heart ?
Cornary artery
What are the two types of proteins rich in muscle fibre ?
Actin and myocin
How many cranial nerves are there in human body ?
12 pairs
Who is called as 'Father of Taxonomy' ?
Linnaeus

[Perfection]

Who wrote the book 'Origin of species ?
Charles Darwin
What is the brain size of mordern average man ?
1600 CC
Which Zoogeographical realms is called 'The museum of the world' ?
Australian region
Who proposed the term 'species' ?
John Ray in 17th Century
Who propsed 'Germplasm' theory ?
August Weismann
Name the vestigeal organ in human body which often gets infected and leads to appendicitis.
Vermiform appendix
Which era in Geological time scale is called as 'Age of Mammals ?
Cenozoic era
Who proposed bio-genetic law ?
Haeckel
What is the stock of ancestors from which man, monkeys and apes have evolved ?
Anthropoid mammals
What is the name of modern horse according to evolution ?
Equus