Ques 1.

Mycorrhiza

Ques 2.

Microsporogenesis

Ques 3.

Embryogeny

Ques 4.

Medicinal uses of Taxus

Ques 5.

Insectivorous plants

Ques 6.

Double fertilization

Ques 7.

Haustoria

Ques 8.

Phylloclade

Ques 9.

Write the differences between gymnosperms and angiosperms.

Ques 10.

Describe cycles in gymnosperms with proper diagrams.

Ques 11.

Describe megasporangium, megasporogenesis and female gametophyte

Ques 12.

Describe how Gnetum resembles angiosperms in many respects?

Ques 13.

What is resin and what are its sources?

Ques 14.

Give the name of five major timber yielding conifers of India.

Ques 15.

Draw the labeled diagram of the following:
a) T.S. of root of Orchid
b) Structure of shoot apex
c) C.S. of hypocotyl of Ricinus
d) Colloroid root of Cycas

Ques 16.

Write a brief account on the economic importance of families Rubiaceae and Asteraceae.

Ques 17.

Storied and nonstoried cambium

Ques 18.

Lamellar and lacunar collenchymas

Ques 19.

Brachysclereid and macrosclereid

Ques 20.

Tracheids and vessel elements

Ques 21.

Simple and compound sieve areas