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TLS Online TPP Program

#Question id: 2721

With respect to Histone H1 DNA packaging which of the following is false?

#Zoology

  1. H1 induce 10 nm fibre formation

  2. H1 binding gives nucleosome a defined angle

  3. H1 stabilizes higher order chromatin structures

  4. H1 binds to two DNA helices at once

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TLS Online TPP Program

#Question id: 39866

#Botany

 Which gymnosperm shows double fertilization?
TLS Online TPP Program

#Question id: 39867

#Botany

 Coralloid roots are characteristic of:
TLS Online TPP Program

#Question id: 39868

#Botany

 Male gametes in gymnosperms are generally:
TLS Online TPP Program

#Question id: 39869

#Botany

.Assertion (A): Bryophytes are called amphibians of plant kingdom.
Reason (R): They require water for fertilization.
TLS Online TPP Program

#Question id: 39870

#Botany

Q. Which tissue is responsible for translocation of food in plants?
TLS Online TPP Program

#Question id: 39871

#Botany

Q. Companion cells are absent in: