1421: How do most insects respire?
(a) Through gills
(b) By tracheal system
(c) By lungs
(d) Through skin
1422: With reference to normal human beings consider the following statements:
1. In response to the presence of HCL, secretian is produced from the duodenum
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
1423: The average height of 2 students in a class is 115 cm. Ten more students with an average height of 130 cm join them. Therefore, the average height of the group of students now becomes:
(a) 110 cm
(b) 120 cm
(c) 130 cm
(d) 140 cm
1424: Regarding "carbon credits", which one of the following statements is not correct?
(a) The goal of the carbon credit system is to limit the increase of carbon dioxide emission
(b) Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota
(c) Carbon credits are traded at a price fixed from time to time by the United Nations Environment Programme
(d) The carbon credit system was ratified in conjunction with the Kyoto Protocol
1425: Regarding DigiLocker, sometimes seen in the news, which of the following statements is/are correct?
1. It is a digital locker system offered by the Government under Digital India Programme.
2. It allows you to access your e-documents irrespective of your physical location.
Select the correct answer using the code given below.
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2