Multiple Choice Questions

Advertisement

Pollination occuring from one flower to another of same plant is :

  • autogamy

  • allogamy

  • geitenogamy

  • none of these


C.

geitenogamy

Geintenogamy involves two flowers of a plant for the act of pollination.

Allogamy involves participation of two flowers from different plant for the purpose of pollination.

Autogamy involves just one flower of plant for the purpose of pollination.


Advertisement

Aleuron layer is found in :

  • embryo

  • nucellus

  • endosperm

  • endodermis


By anaerobic process, the cow dung is used to produce :

  • methane

  • butane

  • ethane

  • propane


Non-coding sequences of DNA are:

  • exon

  • intron

  • rhizoids

  • cistron


Which of the following constitute about 10-20% of total circular RNA?

  • m-RNA

  • r -RNA

  • t-RNA

  • hn -RNA


Advertisement

'Heterosis' is related to :

  • cloning

  • selection

  • hybridization

  • introduction


Jumping genes in maize were discovered by:

  • Hugo de Vries

  • T.H. Morgan

  • Barbara McClintock

  • Mendel


Which statement is incorrect ?

  • Plant viruses contain RNA

  • Animal viruses contain DNA

  • T4 contains double strand DNA

  • TMV contains double stranded RNA


Innitiation codon is :

  • AUG

  • UUU

  • UAG

  • AAG


Advertisement

Living in same habitat organisms of same species from:

  • biosphere

  • community

  • population

  • niche