4161: Alpha-keratin is a protein present in
(a) blood
(b) skin
(c) wool
(d) eggs
4162: A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 metres ahead of the policeman, then the time required for the policeman to catch the thief will be
(a) 2 minutes
(b) 6 minutes
(c) 10 minutes
(d) 3 minutes
4163: Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called
(a) Keystone species
(b) Allopatric species
(c) Sympatric species
(d) Threatened species
4164: The places Alwaye, Koyna and Korba have:
(a) Thermal Stations
(b) Oil Refineries
(c) Hydro Stations
(d) Aluminium Industries
4165: Consider the following statements:
The Parliamentary Committee on Public Accounts
1. consists of not more than 25 Members of the Lok Sabha
2. scrutinizes appropriation and finance accounts of the Government
3. examines the report of the Comptroller and Auditor General of India
Which of the statements given above is / are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) 3 only