Who discovered electromagnetic nature of light?

• Young
• Snell
• Newton
• Maxwell
Correct Option: D  [ Maxwell ]

Remark:

The digested food is absorbed in

• Stomach
• Intestine (small)
• Intestine (large)
• Colon
Correct Option: B  [ Intestine (small) ]

Remark:

Which part is modified as the tusk of elephant?

• canine
• premolar
• second incisor
• molar
Correct Option: C  [ second incisor ]

Remark:

Which of the following is the best conductor of heat ?

• mercury
• silver
• leather
• benzene
Correct Option: B  [ silver ]

Remark:

Root develops from which part of the Embryo?

• Plumule
• Radicle
• Cotyledon
• Epicotyl
Correct Option: B  [ Radicle ]

Remark: In majority of the dicotyledonous plants, the direct elongation of the "radicle" leads to the formation of primary root which grows inside the soil.

The animal group that is not found in marine water:

• Mammals
• Amphibia
• Reptiles
• Aves
Correct Option: D  [ Aves ]

Remark:

The purest form of iron is

• White cast iron
• Grey cast iron
• Wrought iron
• Steel
Correct Option: C  [ Wrought iron ]

Remark:

Which of the rays is most dangerous ?

• Alpha ray
• Beta ray
• Gama ray
• X-ray
Correct Option: C  [ Gama ray ]

Remark:

The location of where an organism lives would be best described as its:

• niche
• habitat
• range
• biome
Correct Option: B  [ habitat ]

Remark:

What is the main property of mercury for using it in a clinical thermometer?

• Good conductor of heat
• High density
• Good conductor of electricity
• Easily available
Correct Option: A  [ Good conductor of heat ]

Remark: