3516: Where does exchange of gases (O2 and CO2) take place in our lungs ?

(a) Alveoli

(b) Bronchi

(c) Pleura

(d) Trachea
3517: Unit of distance used in navigation is:

(a) Nautical mile

(b) Kilometre

(c) Light year

(d) Yard
3518: The Barrah dacoity was the first major venture of the revolutionary terrorist of the freedom movement in

(a) Bombay-Karnataka

(b) Punjab

(c) East Bengal

(d) The Madras Presidency
3519: With reference to 'Forest Carbon Partnership Facility', which of the following statements is/ are correct?

1. It is a global partnership of governments, businesses, civil society and indigenous peoples.
2. It provides financial aid to universities, individual scientists and institutions involved in scientific forestry research to develop eco-friendly and climate adaptation technologies for sustainable forest management.
3. It assists the countries in their 'REDD + (Reducing Emissions from Deforestation and Forest Degradation+)' efforts by providing them with financial and technical assistance.

Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3520: Which of the following tribes is not found in Central India?

(a) Todas

(b) Gonds

(c) Mundas

(d) Bhils