151: Which one of the following is a monument constructed by Sher Shah?
(a) Kila-Kuhna Mosque at Delhi
(b) Atala Masjid at Jaunpur
(c) Bara Sona Masjid at Gaur
(d) Quwwat-ul-Islam Mosque at Delhi
152: Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves or no leaves
3. Thorns instead of leaves
Select the correct answer using the codes given below.
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 only
(d) 1, 2 and 3
153: Who led the extremists before the arrival of Gandhiji on the political scene for freedom struggle?
(a) Bal Gangadhar Tilak
(b) Dadabhai Naoroji
(c) Gopal Krishna Gokhale
(d) Subhash Chandra Bose
154: "Ranikhet" is a disease found in:
(a) Poultry
(b) Cows
(c) Sheep
(d) Dog
155: Which of the following crops has the highest photosynthetic activity?
(a) Cotton
(b) Sugarcane
(c) Rice
(d) Wheat