Which of the following is generally used for induced mutagenesis in crop plants?

• Alpha particles

• X- rays

• UV (260 nm)

• Gamma rays (from cobalt 60)

Powdery mildew of wheat is caused by a species of

• Puccinia

• Erysphe

• Ustilago

• Albugo

Bull semen is stored in

• liquid carbon dioxide

• liquid oxygen

• liquid nitrogen

• ice

Which is correctly matched?

• Apiculture - Honey bee

• Pisciculture - Silk moth

• Sericulture - Fish

• Aquaculture - Mosquito

In rabbit, head of epididymis present at the head of testis is called

• vas deferens

• cauda epididymis

• gubernaculum

• caput epididymis

Synsacrum of fowl consists about

• 29 vertebrae

• 3 vertebrae

• 16 vertebrae

• single vertebrae

Covered smut of barley is caused by

• Ustilago hordei

• Tilletia caries

• Ustilago nudo

• Colletotrichum falcatum

The world's highly prized wool yielding 'Pashmina' breed is

• sheep

• goat

• goat- sheep cross

• Kashmir sheep- Afghan sheep cross

Three crops that contribute maximum to global food grain production are

• wheat, rice and maize

• wheat, maize and sorghum

• rice, maize and sorghum

• wheat, rice and barley

The name of Norman Borlaug is associated with

• green revolution

• yellow revolution

• white revolution

• blue revolution