The edible part of apple/ pear is

• cotyledons

• thalamus/ receptacle

• mesocarp

• endocarp

Plasmid is

• small extrachromosomal circular self replicating DNA that can carry genes into host organism

• bacteriophage

• DNA found in mitochondria

• DNA incorporated in bacterial chromosome

What is true about a gamo spermous apospory?

• Formation of embryo from egg of embryo sac proliferated from a nucellar cell

• Formation of embryo from egg of embryo sac formed directly from megaspore mother cell

• Formation of embryo directly from nucellus

• Formation of embryo directly from integument

Seed which are able to withstand reduction in moisture and temperature are called

• dormant seeds

• recalcitrant seeds

• orthodox seeds

• non- viable seeds

Enzyme required for transcription is

• RNAse

• Endonuclease

• RNA polymerase

• DNA polymerase

Anthesis means

• growth of pollen tube inside the carpel

• dehiscence of anthers

• opening of floral bud

• emergence of anthers

The process of multiplication of DNA from DNA is known as

• replication

• transversion

• transcription

• translation

58.

Crossing over in diploid organisms is responsible for

• dominance of genes

• linkage between genes

• recombination of linked genes

• segregation of alleles

First geneticist, father of genetics was

• de Vries

• Mendel

• Darwin

• Morgan

A simple technology has been developed in India for plant breeders and farmers to use two plants as biofertilizers for growing rice. These are

• Azotobacter and Rhizobium

• Chlorella and Spirulina

• Azolla and nitrogen fixing blue-green algae

• Riccia and Marchantia