31) Sago is obtained from—
a) Cycus
b) Pinus
c) Cedrus
d) Zoniperus
32) Largest number of chromosome is found in—
a) Man
b) Pteridophytes
c) Elephant
d) Angeiosperm
33)Which plant is called Herbal-Indian Doctor?
a) Neem
b) Amla
c) Mango
d) Tulsi
34)Plant of Pea is a—
a) Herb
b) Shrub
c) Tree
d) None of these
35)Which of the following plant only produce seed but not fruit?
a) Sugar-cane
b) Pea-nut
c) Cycus
d) Almond
36)Which one of the following is a weedicides—
a) NAA
b) 2,4-D
c) ABA
d) G.A
37)The type of root formed in Betet vine is:
a) Stilt Root
b) Clinging Root
c) Climbing Root
d) Prop Root
38) Longest fibers are found in—
a) Jute
b) Cotton
c) Sunn Hemp
d) Coir
39)Internal cork of apple is deficiency symptom of
a) Mo
b) B
c) Cu
d) Zn
40)Study of blood is called—
a) Hepatology
b) Hematalogy
c) Histology
d) None of these
41)Name the Scientist of Indian origin, who was associated with the synthesis of human insulin gene _
a) Hargovind Khorana
b) Saran Narang
c) Indra Vasil
d) Govindjee
42) Blood group is discovered by _
a) Landstiner
b) Robert Koch
c) Willum Harvy
d) Loius Pasture
43) Stethoscope is invented by _
a) Jenner
b) Sabin
c) Lanni
d) Pasteuure
44) Scientist who crystallized virus for the first time _
a) Waksman
b) Watson
c) Stanley
d) Emerson
45) The term biotechnology was coined by _
a) Chohen and Boyer
b) Nathan and Smith
c) Karl Ereky
d) William Hays