Geitonogamy involves

• Fertilisation of a flower by the pollen from another flower of the same plant

• Fertilisation of a flower by the pollen from the same flower

• Fertilisation of a flower by the pollen from a flower of another plant in the same population

• Fertilisation of a flower by the pollen from a flower of another plant in the same population

Pollen tablets are available in the market for

• In vitro fertilisation

• breeding programmes

• supplementing food 

• supplementing food 

Function of filiform apparatus is to 

• recognise the suitable pollen at the stigma

• stimulate the division of generative cell 

• produce nectar

• produce nectar

Non -albuminous seed is produced in 

• maize

• castor

• wheat

• wheat

Which one of the following shows coiled RNA stands and capsomeres?

• Polio virus

• Tabacco mosaic virus

• Measles virus

• Measles virus

Which one of the following a wrongly matched?

• Transcription - Writing information from DNA to t-RNA

• Translation - Using information in m - RNA to make protein

• Repressor protein - Binds to operator to stop enzyme synthesis

• Repressor protein - Binds to operator to stop enzyme synthesis

57.

Transformation was discovered by 

• Meselson and Stahi

• Hershey and Chase

• Griffith

• Griffith

Fruit colour in squash is an example  of 

• recessive epistasis

• dominant epistasis

• complementary genes

• complementary genes

The first human hormone produced by recombinant DNA technology is 

• insulin

• estrogen

• thyroxin

• thyroxin

An analysis of chromosomal DNA using the Southern hybridization technique does not use

• electrophoresis

• blotting

• autoradiography

• autoradiography