In context of ‘Scrub Typhus’, which of the statements given below is/are correct?
1. It is a disease caused by a bacterium and it spreads to people through bites of infected chiggers.
2. Antibiotics are most effective form of medicine to cure this disease.
3. Recently, a special vaccine has been developed for its prevention by the Department of Biotechnology.
Select the correct answer using codes given below:
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Consider the following statements:
1. A person with myopia can see nearby objects clearly but cannot see distant objects distinctly.
2. In a myopic eye, the image of a distant object is formed behind the retina and not at the retina itself.
3. The defect of myopia can be corrected by using a concave lens of suitable power.
Which of the statements given above is/are correct?
Consider the following statements about the ‘fuel obtained from plastic waste’:
1. It has low octane rating.
2. Lead content is absent in it.
3. It is known as green fuel.
Which of the statements given above is/are correct?
Read the following statements carefully and select the correct answer from codes given below:
1. The phenomenon of splitting of white light into its seven component colours by a prism is called dispersion.
2. While passing through a prism, the violet light bends the least while the red the most.
3. Isaac Newton was the first to use a glass prism to obtain the spectrum of sunlight.
Which of the statements given above is/are correct?
Consider the following statements with reference to the ‘magnetic field’ of a bar magnet:
1. Magnetic field is a quantity that has both direction and magnitude.
2. Inside the magnet, the direction of field lines is from its south pole to north pole.
3. Magnetic field-lines of two different magnets can intersect each other.
Which of the statement(s) given above is/are correct?
Fertilizers are commercially produced plant nutrients. In this context, consider the following statements:
1. Fertilizers get washed away due to excessive irrigation.
2. Micro-organisms in the soil are harmed by the continuous use of fertilizers.
3. Fertilizers supply nitrogen, phosphorus and sodium to the soil.
Select the correct answer using the code given below:
The presence of certain minerals is essential in water, however, if found in excess they can be harmful to our body. In this context, which of the following statements are correct?
1. Deficiency of fluoride in drinking water causes diseases such as tooth decay.
2. Excessive sulphate in drinking water causes laxative effect.
3. Excess lead in drinking water can cause disease such as ‘blue baby’ syndrome.
Select the correct answer using the code given below.
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?
Match the following pairs with reference to different types of ‘Phyla’ with their most distinctive features:
PHYLA | MOST DISTINCTIVE FEATURE |
1. Ctenophora | A. Body segmentation like rings. |
2. Platyhelminthes | B. Comb plates for locomotion. |
3. Annelida | C. Presence of jointed appendages. |
4. Arthropoda | D. Flat body, suckers |
Select the correct answer using the code given below.
Consider the following statements:
1. The e-Gopala App is a comprehensive breed improvement marketplace and information portal, directly used by farmers.
2. Web version of e-GOPALA has been developed by the Union Ministry of Fisheries, Animal Husbandry and Dairying.
Which of the statement(s) given above is/are correct?
The immune system is a complex network of cells known as immune cells that contains lymphocytes. In this context, consider the following statements:
1. Lymphocytes are red blood cells and one of the body's main types of immune cells.
2. Lymphocytes are made in the bone marrow and found in the blood and lymph tissue.
Which of the statements given above is/are correct?