3266: Why the Indian farmers plough their fields during the time interval between two crops?
(a) In order to keep the soil loose for further cultivation
(b) To increase the porosity of the soil
(c) To escape drought
(d) To prevent clodding
3267: Consider the following statements :
1. Length of a terrestrial mile is lesser than that of a nautical mile.
2. Harmattan is a dusty land-wind of the East African Coast.
3. Greece and Albania from a part of the Iberian Peninsula.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 3 only
(c) 2 and 3, only
(d) 1, 2 and 3
3268: Consider the following pairs:
Medieval Indian State : Present Region
1. Champaka : Central India
2. Durgara : Jammu
3. Kuluta : Malabar
Which of the above pairs is / are correctly matched?
(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 1 and 3 Only
3269: Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?
1. Construction of dams and barrages on rivers.
2. Increase in the population of crocodiles in rivers.
3. Getting trapped in fishing nets accidentally.
4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers.
Select the correct answer using the code given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
3270: Which of the following cell organelles play the most significant role in protein synthesis ?
(a) Lysosome and Centrosome
(b) Endoplasmic reticulum and Ribosome
(c) Golgi apparatus and Mitochondria
(d) Lysosome and Mitochondria