TLS Online TPP Program

#Question id: 10337


In biological nitrogen fixation, the process of nitrification by organism respective bacteria A--which convert the ammonia to nitrite and B--- further converted into nitrate in the soil by their respective A and B bacteria known as;

#SCPH06 I Botany
  1. A-Nitrosomonas, B-Nitrococcus
  2. A-Nitrosomonas, B-Nitrobacter
  3. A-Nitrococcus, B-Azotobactor
  4. A-Nitrobacter, B-Nitrosomonas
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TLS Online TPP Program

#Question id: 11535

#SCPH06 I Botany

During IPA pathway in the biosynthesis of auxin using  following enzymes except_____

TLS Online TPP Program

#Question id: 11536

#I Life Science/ Life Sciences Group – I-V

IAA has been found to be conjugated to both high- and low-molecular-weight compounds such as,

a) Low-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate

b) High-molecular-weight IAA conjugates include IAAglucan and IAA-glycoproteins found in cereal seeds

c) High-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate

d) Low-molecular-weight IAA conjugates include IAAglucan and IAA-glycoproteins found in cereal seeds

Which of the following is the correct prediction about low-and high-molecular weight ?

TLS Online TPP Program

#Question id: 11536

#SCPH06 I Botany

IAA has been found to be conjugated to both high- and low-molecular-weight compounds such as,

a) Low-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate

b) High-molecular-weight IAA conjugates include IAAglucan and IAA-glycoproteins found in cereal seeds

c) High-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate

d) Low-molecular-weight IAA conjugates include IAAglucan and IAA-glycoproteins found in cereal seeds

Which of the following is the correct prediction about low-and high-molecular weight ?

TLS Online TPP Program

#Question id: 11537

#I Life Science/ Life Sciences Group – I-V

Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example of ________.

 I) an autocrine signal

 II) a paracrine signal

 III) an endocrine signal

TLS Online TPP Program

#Question id: 11537

#SCPH28 | Zoology

Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example of ________.

 I) an autocrine signal

 II) a paracrine signal

 III) an endocrine signal

TLS Online TPP Program

#Question id: 11538

#I Life Science/ Life Sciences Group – I-V

Prostaglandins are local regulators whose chemical structure is derived from ________.