On earth, life exists even in extreme and harsh conditions. Mention any two major biomes in India.

On earth, life exists in extreme and harsh conditions. Mention any two major biomes in India.

Mention any two important properties of lasers.

Desert plants like Opuntia are able to grow in extreme conditions. Suggest any two adaptations of this plant

Desert plants like opuntia are able to grow in extreme conditions. Suggest any two adaptations of this plant.

Boron is an element with atomic number 5. Mention any two uses of boron.

The relaxin secreted by placenta relaxes the public ligaments during parturition. Mention any two other hormones secreted by placenta.

"The biological wealth of our planet has been declin¬ing rapidly and the accusing finger is clearly point¬ing to human activities." Mention any two activities leading to the loss of biodiversity.