Consider the following statements:
1. Hepatitis B is several times more infectious than HIV/ AIDS
2. Hepatitis B can cause liver cancer
Which of the statements given above is/ are correct?
Consider the following statements:
1. Hepatitis B is several times more infectious than HIV/ AIDS
2. Hepatitis B can cause liver cancer
Which of the statements given above is/ are correct?
Select an option to verify your answer
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?
Select an option to verify your answer
Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio- diesel in India?
1. Pongamia pinnata grows naturally in most of the arid regions of India
2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid.
Select an option to verify your answer
With reference to soil conservation, consider the following practices:
1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India.
Select an option to verify your answer
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 plants require 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.
Select an option to verify your answer
Mon 863 is a variety of maize. It was in the news for the following reason:
Select an option to verify your answer
Some species of plants are insectivorous. Why?
Select an option to verify your answer
Given below are the names of four energy crops. Which one of them can be cultivated for ethanol?
Select an option to verify your answer
Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition?
Select an option to verify your answer
Consider the following:
1. Oxides of Hydrogen
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above causes/cause acid rain?
Select an option to verify your answer