Husband has blood group A and wife has blood group B. What is the blood group of children

• A

• B

• AB

• A, B, AB or 0

Kappa particles indicate

• nuclear inheritance

• cytoplasmic inheritance

• mutation

• nucleo-cytoplasmic inheritance

Which insect is useful for us

• Periplaneta

•  Musca

• Bombyx

• Mosquitoes

Which of the following as a living fossil 

•  Pinus 

• Gnetum

• Ginkgo 

• Riccia

The plant that is characteristics component of mangrove vegetation

• Rhizophora mangel

• Ficus religiosa

• Mangifera indica

• Prosopis specigera

Perisperm is

• degenerate part of synergids

• peripheral part of endosperm

• degenerate part of secondary nucleus

• remnant of nucellus

Green plants constitute

•  first trophic level

• second trophic level

• third trophic level

• complete food chain

An orthotropus ovule is one in which micropyle and chalaza are

•  in straight line of funiculus

• parallel of funiculus

• at right angles to funiculus

• oblique to funiculus

The arrangement of genes on chromosomes is

• linear 

• ovoid

• diffused 

• spiral

Transformation in bacteria was discovered by

• Lederberg 

• Griffith

• Avery et. al

• Tatum