1. Development of transgenic animals
2. Production of 'Dolly' the sheep by cloning
3. Prevalence of pesticide resistant insects
4. Development of organs from 'stern cells' for organ transplantation
Prevalence of pesticide resistant insects
1. 2
2. 6
3. 0
4. 12
12
1. Movement of the eye ball
2. Swallowing
3. Movement of the tongue
4. Movement of the neck
Movement of the eye ball
1. preparation of pure cellulose by removing lignin
2. removal of oils present in the wood by treatment with suitable chemicals
3. removal of water from the wood by prolonged heating at approximately 500C
4. treatment of wood with chemical that breakdown cellulose
preparation of pure cellulose by removing lignin
1. only on the ribosomes present in cytosol
2. on ribosomes present in cytoplasm as well as in mitochondria
3. only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
4. on ribosomes present in the nucleolus as well as in cytoplasm
on ribosomes present in cytoplasm as well as in mitochondria
1. Members of a species can interbreed
2. Variations occurs among members of a species
3. Each species is reproductively isolated from every other species
4. Gene flow does not occur between the populations of a species
Gene flow does not occur between the populations of a species
1. one can observe tropical plants there
2. they allow ex situ conservation of germplasm
3. they provide the natural habitat for wild life
4. they provide a beautiful area for recreation
they allow ex situ conservation of germplasm
1. chemical stimulation by the prey
2. a passive process requiring no special ability on the part of the plant
3. specialized "muscle-like" cells
4. rapid turgor pressure changes
rapid turgor pressure changes
1. enlargement of body size by swallowing air in puffer fish
2. melanism in moths
3. poison fangs in snakes
4. colour change in chameleon
poison fangs in snakes
1. Abscisic acid
2. Auxin
3. Gibberellin
4. Ethylene
Ethylene