Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________?

Marble and Slate are which type of rock?

A. Igneous
B. Sedimentary
C. Metamorphic
D. Non of These

Other name of white blood cells is _____________?

A. Erythrocytes
B. Leukocytes
C. Thrombocytes
D. None of these

How is ammonia synthesized?

A. Herber process
B. Regrigration process
C. Contact process
D. All of these

Ammonia is industrially prepared by the Haber process, a chemical method that uses nitrogen gas and hydrogen gas to synthesize ammonia. One nitrogen gas molecule reacts with three hydrogen gas molecules over finely divided iron as a catalyst to produce two ammonia molecules.

Bt seed is associated with:___________?

A. Rice
B. Wheat
C. Cotton
D. Oilseed

Bt stands for Bacillus thuringiensis – a soil bacterium which contains a toxic gene called Bt gene. The aim is to make the cotton crop resistant to bollworm.. The cotton incorporated the cry1Ac gene from the soil bacterium Bacillus thuringiensis (Bt), making the cotton toxic to bollworms. It is a cheaper alternative to Bt cotton hybrid seed.

The over-cooking of food should be avoided because____________?A. Make the food difficult to digest
B. Reduce the nutrition value of food
C. Make food Poison
D. None

As it turns out, heat speeds up chemical reactions and this affects the food both in good and bad ways. Overcooking can affect the quality of food – firstly it makes food harder to digest and metabolize, and secondly, charred and burnt foods contain carcinogenic substances.

 

The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

A. 1 gram
B. 10 grams
C. 1 kg
D. 10 kg