Which type of tissue forms the inner lining of a blood vessel?
1). Epithelial
2). Connective
3). Muscle
4). Nervous
The exchange of materials between blood and interstitial fluid occurs only at the
1). Veins
2). Capillaries
3). Arteries
4). Arterioles
Which one of the following directly helps in keeping the body warm?
1). Sweat glands
2). Adipose tissue
3). Connective tissue
4). Hairs
Presence of gill slits in the embryo of all vertebrates supports the theory of
1). organic evolution
2). recapitulation
3). metamorphosis
4). biogenesis
Inland fisheries is referred to
1). culturing fish in freshwater
2). trapping and capturing fish
3). deep sea fisheries
4). extraction of oil from fish