1.Choose the correct option(s)-
The Magnetic Field inside a long straight solenoid-carrying current-
A.Is zero
B.Decreases as we move towards its end
C.Increases as we move towards its end
D.Is the same at all points
2.Magnetic poles-
A.Exist separately
B.Do not exist separately
C.May or may not exist separately
D.None of these
3.Which of the following correctly describes the magnetic field near a long straight wire?
A.The field consists of straight lines perpendicular to the wire
B.The field consists of straight lines parallel to the wire
C.The field of radial
D.The field consists of concentric circles centered on the wire
4.Name the Italian bee used for high honey production
A.Apis Cerana Indica
B.Apis floral
C.Apis mellifera
D.Apis dorsata
5.Eutrophication leads to death of fish due to-
A.Increased oxygen content
B.Increased algae content
C.Decreased algae content
D.Decreased oxygen content
6.Air pollution causing photochemical oxidants production include-
A.Nitrous oxide, nitric acid fumes, nitric oxide
B.Ozone, peroxyacetyl nitrate, aldehydes
C.Oxygen, chlorine, fuming nitric acid
D.Sulphur dioxide
7.Kanha National park is situated in-
A.Punjab
B.Madhya Pradesh
C.Uttaranchal
D.Kerala
8.The atmosphere of the earth is heated by radiations which are mainly-
A.Radiated by the sun
B.Re radiated by the land
C.Re radiated by the water
D.Re radiated by land and water
9.The bicycle comes to rest when we stop peddling due to-
A.Gravitation
B.Gravity
C.Friction
D.Magnetism
10.Which of the following exert greater friction?
A.Solids
B.Liquids
C.Gases
D.None of these
