81: The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is /are correct?
(a) 1, 2 and 3 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
82: Temperature in human beings is controlled by:
(a) Pituitary gland
(b) Thyroid gland
(c) Hypothalamus gland
(d) Adrenal gland
83: Less dew is formed on cloudy nights because:
(a) Clouds absorb the falling dew
(b) Clouds scatter moisture
(c) In cloudy nights the radiation takes place very slowly
(d) In cloudy nights the radiation takes place very quickly
84: Pradhan Mantri MUDRA Yojana is aimed at
(a) bringing the small entrepreneurs into formal financial system
(b) providing loans to poor farmers for cultivating particular crops
(c) providing pensions to old and destitute persons
(d) funding the voluntary organizations involved in the promotion of skill development and employment generation
85: Which of the following is/are the principal feature(s) of the Government of India Act, 1919?
1. Introduction of dyarchy in the executive government of the provinces
2. Introduction of separate communal electorates for Muslims
3. Devolution of legislative authority by the centre to the provinces
Select the correct answer using the codes given below :
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3