1. Consider the following:
(1) Birds
(2) Dust blowing
(3) Rain
(4) Wind blowing.
Which of the above spread plant diseases?
1 and 3 only
3 and 4 only
1, 2 and 4 only
1, 2, 3 and 4
2. Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves
3. Thorns instead of leaves
Select the correct answer using the code given below :
2 and 3 only
2 only
3 only
1, 2 and 3