Earth revolves around Sun. Who was the 1st one to present this theory?
View Answer Report Error Discuss
Which of the following pairs is NOT correctly matched?
The tree species most commonly used in social forestry is
The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?
Which of the following is Study of fossils ?
Concentration of water vapour in troposphere is
_______ is the study of the physical form and external structure of plants.
Which of the following is a viral disease?