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101.

Details of the kreb's cycle were worked out by the use of:

A.	Radioactive carbon compounds	B.	Ultracentrifugation
C.	Electron-microscopy	D.	X-ray crystallography

102.

Development and formation of pollen grains in anther of the stamen is known as:

A.	Pollination	B.	Fertilization
C.	Microsporogenesis	D.	Megasporogenesis

103.

Development of a fruit without fertilization is known as:

A.	Parthenogenesis	B.	Polyembrohy
C.	Budding	D.	Apomixes

104.

Who invented first compound microscope?

A.	Robert Hooke	B.	Jansen
C.	Leeuwenhoek	D.	None of these

105.

Development of seed without-sexual process is:

A.	Apomixes	B.	Polyembryony
C.	Both (a) & (b)	D.	None of the above

106.

Development of the pollen tube, the seed and the 3n endosperm, double fertilization is characteristic features of:

A.	Bryophytes	B.	Pteridophytes
C.	Gymnosperms	D.	Angiosperms

107.

Disease reaction is by and large, a process:

A.	Physical	B.	Chemical
C.	Mechanical	D.	Manual

108.

Disease rsistance in barley is:

A.	Quantitative characteristics	B.	Qualitative characteristics
C.	Both (a) & (b)	D.	None of the above

109.

DNA exists as a double helix as a result of hydrogen bonding between:

A.	Sugar molecules	B.	Phosphate groups
C.	Nucleohistones	D.	Nucleosides

110.

DNA polymerase:

A.	Helps is DNA replication	B.	Helps in RNA replication
C.	Helps in protein synthesis	D.	None of the above