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