A common test to find the genotype of a hybrid is by
crossing of one F2 progeny with male parent
crossing of one F2 progeny with female parent
studying the sexual behaviour of F1 progenies
studying the sexual behaviour of F1 progenies
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Serum albumins
Serum globulins
Fibrinogen in the plasma
Fibrinogen in the plasma
The finches of Galapagos islands provide an evidence in favour of
special creation
evolution due to mutation
retrogressive evolution
retrogressive evolution
Male gametes in angiosperms are formed by the division of
microspore
generative cell
vegetative cell
vegetative cell
Which one of the following is surrounded by a callose wall?
Microspore mother cell
Male gamete
Egg
Egg
Which one of the following is not a bioindicator of water pollution?
Sludge-worms
Blood-worms
Stone files
Stone files
C.
Stone files
Stoneflies (e.g., Perla sp.) belong to order Plecoptera of class insecta which has the terrestrial mandibulates.
Which one of the following pairs of organisms are exotic species introduced in India?
ficus religiosa , lantana camara
lantana camara, water hyacinth
water hyacinth, prosopis cinereria
water hyacinth, prosopis cinereria
Which one of the following statement is correct?
Stem cells are specialize cells
There is no evidence of the existence of gills during embryogensis of mammals
All plant and animal cells are totipotent
All plant and animal cells are totipotent
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
responsiveness to touch
interaction with the environment and progressive evolution
reproduction
reproduction
What is common to whale, seal and shark?
Seasonal migration
Thick subcutaneous fat
Convergent evolution
Convergent evolution