1376: Though coffee and tea both are cultivated on hill slopes, there is some difference between them regarding their cultivation. In this context, consider the following statements:
1. Coffee plant requires a hot and humid climate of tropical areas whereas tea can be cultivated in both tropical and subtropical areas.
2. Coffee is propagated by seeds but tea is propagated by stem cuttings only.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1377: The major ingredient of leather is:
(a) Collagen
(b) Polymer
(c) Carbohydrate
(d) Nucleic acid
1378: Haemoglobin is dissolved in the plasma of
(a) frog
(b) fish
(c) man
(d) earthworm
1379: Which one of the following diseases is caused due to defective genes?
(a) Ulcer
(b) Haemophilia
(c) Diabetes
(d) Cancer
1380: There are two identical red, two identical black and two identical white balls. In how many different ways can the balls be placed in the cells (each cell to contain one ball) shown below such that balls of the same colour do not occupy any two consecutive cells?
(a) 15
(b) 18
(c) 24
(d) 30