Multiple Choice QuestionsWhich one of the following is considered important in the development of seed habit?
Dependent sporophyte
Heterospory
Haplontic life cycle
Haplontic life cycle
B.
Heterospory
Heterospory is the production of spores of two different sizes and of two different sizes and of two different development patterns. Heterospory is an expression sex determining spores of the plant. It is the most important evolutionary development in the vascular plants because it has ultimately lead to seed development, eg, Selaginella, Salvinia,Azolla, etc.
T O Diener discovered a
free infectious RNA
free infectious DNA,
infectious protein
infectious protein
Cyclic-photophosphorylation results in the formation of
NADPH
ATP and NADPH
ATP, NADPH and O2
ATP, NADPH and O2
Globulins contained in human blood plasma are primarily involved in
defence mechanisms of the body
the osmotic balance of body fluids
oxygen transport in the blood
oxygen transport in the blood
Which of the following is a symbiotic nitrogen fixer?
Glomus
Azotobacter
Frankia
Frankia
A fruit developed from hypanthodium inflorescence is called
hesperidium
sorosis
syconus
syconus
Reduction is vascular tissue, mechanical tissue and cuticle is characteristic of
xerophytes
mesophytes
epiphytes
epiphytes
Peripatus is a connecting link between
Ctenophora and Platyhelminthes
Mollusca and Echinodermata
Annelida and Arthropoda
Annelida and Arthropoda
The bacterium Bacillus thuringiensis is widely used in contemporary biology as a/an
Indicator of water pollution
insecticide
agent for the production of dairy products
agent for the production of dairy products
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