1981. A drug which reduces high blood pressure is obtained from :

A. Aconitum chasmanthum
B. Centella asiatica
C. Rauwolfia serpentine *
D. Solanum nigrum

1982. One of the following plants is a rich variety of timber :

A. Cassia fistula
B. Dalbergia sissoo *
C. Acacia Arabica
D. Morus Alba

1983. How gene therapy can be brought about ?

A. By inserting the normal gene through bone marrow cells
B. By injecting the normal gene into the host
C. By using certain chemicals
D. Through radiotherapy

1984. The technology for achieving eugenic aims is :

A. Immunization
B. Bioremediation
C. Cloning *
D. Vaccination

1985. Which of the followings can reproduce naturally by cloning ?

A. Animals
B. Plants
C. Insects
D. All of these *

1986. In human body 99% of total mass is formed of :

A. 8 bio elements
B. 9 bio elements
C. 3 bio elements
D. 6 bio elements *

1987. The central fluid filled cavity of the blastula is known as :

A. Archenteron
B. Blastocoels *
C. Blastocyst
D. Morula

1988. Genetic identity of a human male is determined by :

A. Autosomes
B. Nucleolus
C. Cell organelles
D. Sex chromosomes *

1989. Basement membrane is made up of :

A. No cell product of epithelial cell *
B. Epidermal cell only
C. Endodermal cell
D. Both B and C

1990. Which one of the following mammalian cells is not capable of metabolising glucose to carbon dioxide aerobically ?

A. Liver cells
B. Red blood cells *
C. White blood cells
D. Unstriated muscle cells