The world’s highly prized wool yielding ‘Pashmina’ breed is

• Sheep

• Goat

• Goat-sheep cross

• Kashmiri sheep-Afghan sheep cross

Probes, used in DNA fingerprinting, are initially

• Single-stranded RNA

• Mini-satellite

• 19base long oligonucleotide

•  All of the above

Viroids have

• ssRNA not enclosed by a protein coat

• ssDNA not enclosed by a protein coat

• dsDNA enclosed by a protein coat

•  dsRNA enclosed by protein coat

Satellite DNA is a useful tool in

• Organ transplantation

• Sex determination

• Forensic science

• Genetic engineering

Which part of the animal virus is not produced in multiple copies?

• Capsid

• Proteins

• Envelops

• Ribosome

Aleurone grains are rich in

• Fat

• Protein

• Carbohydrates

• Auxins

Biotic potential or potential natality means

• Natural increase of population under ideal/optimum conditions

• The potential of the organism in a biome

• Number of organisms in a biome

• Species of maximum number in a population

Stability of ecosystem depends upon

• Primary productivity

• Interchange between producers and consumers

• Number of producers

• Number of consumers

 Which of the following is not true for a species?

• Members of a species can interbreed

• Variations occur among members of species

• Each species is reproductively isolated from every other species

• Gene flow does not occur between the populations of a species

Match the following columns and choose the correct option.

• A-5, B-4, C-1, D-2

• A-5, B-4, C-1, D-3

• A-4, B-2, C-3, D-1

• A-1, B-2, C-4, D-5