Consider the following statements about the ‘scattering of light’:
1. Very fine particles scatter mainly blue light while particles of larger size scatter light of longer wavelengths.
2. If the size of the scattering particles is large enough, then, the scattered light may even appear white.
Which of the statements given above is/are correct?
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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?
In the context of ‘immunity’ in human body, which of the following statements is/are correct?
1. Skin on our body is an example of innate immunity.
2. Acquired immunity is characterised by memory.
3. Injecting the microbes deliberately during immunisation induce passive immunity.
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Fodder crops are raised as food for the livestock. Which among the following is/are fodder crops?
1. Sudan Grass
2. Oats
3. Wheat
4. Berseem
Select the correct answer using the code given below:
1. Which of the following statement(s) in the context of ‘Human Eye’ is/are NOT correct?
1. Most of the refraction of the light rays entering the eye occurs at the outer surface of the crystalline lens.
2. Iris is a dark muscular diaphragm that controls the size of the pupil.
3. Pupil regulates and controls the amount of light entering the eye.
4. Retina is a delicate membrane having enormous number of light-sensitive cells.
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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?
Which among the following are the characteristic features of birds?
1. They are cold-blooded animals.
2. They lay eggs.
3. Two forelimbs are modified for flight.
4. They breathe through lungs.
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Consider the following sources of protein:
1. Meat
2. Fish
3. Egg
4. Milk
Select the correct sequence of the sources of protein mentioned above in human diet in terms of maximum protein content:
In the question given below, there are two statements marked as Assertion (A) and Reason (R). Read the statements given below carefully:
Assertion (A): The Sun at the sunrise or the sunset appears red whereas at noon, the Sun appears white.
Reason (R): Light from the Sun near the horizon passes through larger distance in the earth’s atmosphere than the light from the Sun overhead.
Choose the correct answer using the codes given below:
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:
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.