Root cambium is derived from
 

1.  primary meristem
2.  secondary meristem
3.  intercalary meristem
4.  apical meristem

 61%
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Which one contain most reduced form of stem?
 
1.  Bulb
2.  Rhizome
3.  Tuber
4.  Twinner

 

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Which enzyme complex is responsible for the reduction of molecular nitrogen to the level of NH3 in root module of legume?
 

1.  Aminase
2.  Nitrogenase
3.  Nitrate reductase
4.  Nitrite reductase

 69%
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The plants which can withstand with narrow and broad range of temperature tolerance respectively are
1.  monothermal and stenothermal
2.  stenothermal and monothermal
3.  stenothermal and eurythermal
4.  stenothermal and mesothermal

Subtopic:   Major Abiotic Factors |
 79%
From NCERT
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Desert can be converted into a lush green land by planting
 

1.  terrestrial plant
2.  xerophytic plant
3.  halophytes
4.  psammophytes

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Which one is a source of commercially important product Syzygiumaromaticum?
1.  Flower bud
2.  Axillary bud
3.  Thalamus
4.  Peduncle

Subtopic:  Primary & Secondary Metabolites |
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Brunner's gland is characteristic feature of
 
1.  jejunum of small intestine
2.  ileum
3.  duodenum
4.  fundic region of stomach

 

 73%
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Pullorum disease in fowls is caused by
 

1.  Salmonella
2.  Clostridium
3.  Hemophilus
4.  Mycobacterium

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