Monitor of a computer is:

• Input device
• Output device
• Input/Output device
• None of these
Correct Option: B  [ Output device ]

Remark:

The sex of a newborn baby is determined by the chromosome inherited from :

• the mother
• mother's mother
• the father
• father's father
Correct Option: C  [ the father ]

Remark:

In coriander the useful parts are:

• roots &leaves
• leaves & flowers
• leaves & dried fruits
• flower& dried fruits
Correct Option: C  [ leaves & dried fruits ]

Remark:

Dehydration in human body is caused due to the loss of

• salts
• water
• hormones
• vitamins
Correct Option: B  [ water ]

Remark:

Which metal is responsible for Itai-Itai disease?

• Cadmium
• Nickel
• Chromium
• Mercury
Correct Option: A  [ Cadmium ]

Remark:

If a sample of soil is found to have a pH value of 8.25, it is:

• acidic
• neutral
• alkaline
• None of the above
Correct Option: C  [ alkaline ]

Remark:

The technique of 'DNA sequencing' was discovered by:

• H. G. Khorana
• Watson and Crick
• Frederick Sanger
• E. M. Southern
Correct Option: B  [ Watson and Crick ]

Remark:

Xylem helps in transportation of which of the following?

• food
• water
• nutrient
• both food and water
Correct Option: B  [ water ]

Remark:

The animal group that is not found in marine water:

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

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).