Animals living in the tree trunks are known as:

• arboreal
• Volant
• Amphibious
• Aquatic
Correct Option: A  [ arboreal ]

Remark:

What is reason for using red light as a stop signal ?

• Long wavelength
• Short wavelength
• Chromogenic effect
• Infra Red
Correct Option: A  [ Long wavelength ]

Remark:

Marijuana, a psychoactive drug is obtained from:

• seeds of pop
• capsules of poppy
• female inflorescence of cannabis
• male inflorescence of cannabis
Correct Option: C  [ female inflorescence of cannabis ]

Remark:

Nuclear fission is caused by the impact of

• Neutron
• Proton
• Deuteron
• Electron
Correct Option: A  [ Neutron ]

Remark:

Usually OMR sheets are used in most of the competitive examinations. The full form of OMR is :

• Optical Mark Response
• Optical and Magnetic Reader
• Optical and Magnetic Record
• Optical Mark Recognition
Correct Option: D  [ Optical Mark Recognition ]

Remark:

Which of the following does not have red blood cells?

• Snake
• Peacock
• Frog
• Earthworm
Correct Option: D  [ Earthworm ]

Remark:

dolomite is used in which field?

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

Remark:

Which of the following is the structural and functional unit of kidneys?

• Nephron
• Pits
• Nutrofil
• Tentacle
Correct Option: A  [ Nephron ]

Remark:

What is the rarest blood type in the world ?

• A
• O positive
• AB ^_
• B
Correct Option: C  [ AB^- ]

Remark:

Thorium and Beryllium are

• Metallic minerals
• Earth material
• Atomic minerals
• Precious metals
Correct Option: C  [ Atomic minerals ]

Remark: Atomic minerals include mainly minerals containing uranium, thorium, rare metals, viz. niobium, tantalum, lithium, beryllium, titanium, zirconium, and rare earth elements (REEs) containing uranium and thorium as well as beach sand minerals.