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141.

Genetics is the study of:

A.	Genes	B.	Gene interaction
C.	Heredity and variation	D.	DNA

142.

Genotype x Environment interaction would take place when there is/are:

A.	One genotype and two environments	B.	Two genotypes and one environment
C.	Three genotypes and one environment	D.	Two or more genotypes and two or more environments

143.

Germplasm means:

A.	A breeding method	B.	A collection of genetic material
C.	A new disease	D.	None of the above

144.

Gibberellins are now commercially used into increase sugarcane growth and sugar yields :

A.	China	B.	Hawaii
C.	Japan	D.	Korea

145.

Ginger and Turmeric are example of modified stem:

A.	Rhizome	B.	Tuber
C.	Bulb	D.	Corm

146.

Given that the somatic cromosome number of Triticum aestivum is 2n = 6x = 42, which one of the following pairs is correctly matched?

A.	Monosome	B.	Trusine
C.	Tetrasome	D.	Nullisome

147.

Mendel is famous for:

A.	Propounding the laws of inheritance	B.	Laws of limiting factors
C.	The theory of mutation	D.	The discovery of penicillin

148.

Group of plants with similar characteristics of any rank is termed:

A.	Taxon	B.	Species
C.	Genus	D.	Order

149.

Gynoecium or pistil in the female whorl differentiated into:

A.	Filament	B.	Style
C.	Stigma	D.	All of the above

150.

Holophytes growing on muddy swarmps form special vegetation known as:

A.	Hangrove forests	B.	Coniferous forests
C.	Evergreen forests	D.	Riparian forests