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Consider the following statements:
1. Methanol is a low carbon, hydrogen carrier fuel produced from high ash coal, CO2 from thermal power plants and natural gas.
2. ‘Methanol Economy’ programme has been launched with the objective of reducing India's oil import bill and greenhouse gas (GHG) emissions.
3. The Methanol Economy programme has been launched by the Ministry of Petroleum and Natural Gas.
Which of the statements given above is/are correct?
Consider the following statements:
1. Exchange of gases in plants occurs not only across the surface of leaves but also across the surface of stems and roots.
2. Plant close its pores known as the Stomata, when they do not need carbon dioxide for photosynthesis.
3. Guard cells present in plants are responsible for controlling the movement of water in them.
Which of the statements given above is/are correct?
Consider the following statements:
1. Anti-viral medicines are harder to make as viruses have biochemical mechanisms of their own.
2. Anti-bacterial medicines target both bacteria and fungi.
Which of the statement(s) given above is/are correct?
Consider the following statements:
1. Tendons are type of connecting tissue that connect muscles to bones.
2. Nerve impulses are transmitted with the help of tendons throughout our body.
Which of the statement(s) given above is/are correct?
Which of the following are the properties of the image formed by a plane mirror?
1. The image is always real and erect.
2. The size of the image is equal to that of the object.
3. The image formed is as far behind the mirror as the object is in front of it.
4. The image is laterally inverted.
Select the correct answer using the code given below.
Desirable characteristics of a crop variety helps in easy adoption of that crop by the farmers. In this context, consider the following statements:
1. Incorporating desirable characters into crop varieties can be done through fertilisation.
2. Dwarfness is desired in cereals, so that less nutrients are consumed by these crops.
3. Hybridisation refers to crossing between genetically similar plants.
Which of the statement(s) given above is/are correct?
Consider the following statements about ‘Human Body’:
1. Muscles contain special proteins which contract and relax to cause movement.
2. We can control the movement of all the muscles in our body.
Which of the statement(s) given above is/are correct?
Which of the following phenomena are caused due to ‘atmospheric refraction’?
1. Flickering of objects seen through a turbulent stream of hot air rising above a fire.
2. The reddening of the sun at sunrise and the sunset.
3. The apparent flattening of the Sun’s disc at sunrise and sunset.
4. The Sun is visible to us about 2 minutes before the actual sunrise, and about 2 minutes after the actual sunset.
Select the correct answer using the code given below.
Which of the following statement(s) about Acquired Immuno Deficiency Syndrome (AIDS) is/are correct?
1. AIDS is a congenital disease caused by a retrovirus known as Human Immuno deficiency Virus (HIV).
2. AIDS is characterised by a progressive decrease in the number of T-lymphocytes in the body of the infected person.
Select the correct answer using the code given below.
In context of cells in the human body, consider the following statements:
1. The shape and size of cells are related to the specific function they perform.
2. A cell is able to live and perform all its functions because of its components known as organelles.
3. All cells present in human body have the same organelles.
Select the correct answer using the code given below: