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351.

The initial pool of a composite population is composed of:

A.	Inbred lines	B.	Isoline
C.	Pure lines	D.	Single plants derived from crosses and/or germplasm lines

352.

The initial gene pool of a synthetic population is composed of:

A.	Plants from an open-pollinated variety	B.	Pure lines
C.	Inbred lines	D.	Isolines

353.

The jointed stem with solid nodes and hollow internodes is called:

A.	Caudes	B.	Culm
C.	Scape	D.	None of above

354.

The life first originated in:

A.	Air	B.	Soil
C.	Water	D.	All of the above

355.

The life-cycle of an angiosperm is consist of:

A.	Sporophytic stage	B.	Gametophytic stage
C.	Both stages	D.	None of above

356.

The main body of ovule is called:

A.	Hilum	B.	Chalaza
C.	Nucellus	D.	Integuments

357.

When the pistil has all the carpals united together it is said to be:

A.	Apocarpous	B.	Syncarpous
C.	Simpler types	D.	None of the above

358.

The main patterns concerning origin and domestication of cultivated plant species are:

A.	Mendelian variation	B.	Inter-specific hybridization
C.	Polyploidy	D.	All of these

359.

The main reason for the classification of plants is:

A.	The difficulties arising in the study of plants because of their large number	B.	Their mechanical separation
C.	The nature of man	D.	The environmental conditions

360.

The main type of endosperm development is:

A.	Nuclear type	B.	Cellular type
C.	Both (a) & (b)	D.	None of above