Which layer of gas in the atmosphere protects us from harmful ultra violet rays of the sun?

• Oxygen
• Carbon dioxide
• Nitrogen
• Ozone
Correct Option: D  [ Ozone ]

Remark:

Muscle fatigue is due to accumulation of

• Carbon Dioxide
• Creatinine
• Lactic acid
• Ethyl alcohol
Correct Option: C  [ Lactic acid ]

Remark:

1 Gigabyte (GB) is equal to:

• 1024 bytes
• 1024 KB
• 1024 MB
• 1024 TB
Correct Option: C  [ 1024 MB ]

Remark:

Insecticides usually act upon:

• Muscular system
• Digestive system
• Nervous system
Correct Option: C  [ Nervous system ]

Remark:

Which of the following is a non metal that remains liquid at room temperature?

• Phosphorous
• Bromine
• Chlorine
• Helium
Correct Option: B  [ Bromine ]

Remark:

"ELISA" test is employed to diagnose:

• Polio Virus
• AIDS antibodies
• Tuberculosis
• Cancer
Correct Option: B  [ AIDS antibodies ]

Remark: The assay used most widely to detect or diagnose virus infection, especially infection of blood borne viruses e.g. HBV, HCV, HIV and HTLV, is the enzyme linked immunosorbent assay (ELISA).

CNG stands for:

• Compressed Natural Gasoline
• Compressed Natural Gas
• Compressed Nitrogen Gas
• Compressed Neon Gas
Correct Option: B  [ Compressed Natural Gas ]

Remark:

Which disease is caused by Nickel ?

• Itai Itai
• Dermatitis
• Learning Disability
• Asthma
Correct Option: B  [ Dermatitis ]

Remark:

dolomite is used in which field?

• Soil conditioner
• Pasteurization
• Dynamite
• Synthetic rubber
Correct Option: A  [ Soil conditioner ]

Remark:

In plants, meiotic cell division takes place in the:

• root tip
• shoot tip
• flowers
• fruits
Correct Option: C  [ flowers ]

Remark: Meiosis is a type of cell division in which the number of chromosomes is halved (from diploid to haploid) in the daughter cells, i.e., the gametes. In plant it takes place in Flower.