General Science - Biology MCQs


Q.  Which of the following is a balanced fertilizer for plants?

a. Urea
b. Ammonia sulphate
c. Nitrates
d. Compost


ANSWER: See Answer
 
Fertilizers are used by farmers for the better crop growth. Normally compost is considered as the balanced fertilizer as it does not harm plants and increase the productivity. But considering artificial fertilizers a balanced fertilizer is chosen which have balanced amount of NPK. Generally, nitrogen is used by plants to produce green growth and potassium for flower and fruit development. A balanced fertilizer such as 10-10-10 of NPK is a good choice for vegetables and other high-nutrient plants.
MCQs:  Consider the following statements with respect to the Thermionic emission: 1. It is caused by electrons or ions that break loose from the metal surface due to heat energy 2. A metal cannot emit thermions at all temperatures Which among the above statements is / are correct ?
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MCQs:  In which of the following respects, the ultra-violet radiations are similar to white light? 1: Both obey the laws of reflection and refraction 2: Both travel with same speed in vacuum 3: Both are equally active chemically 4 :Both are scattered equally Select the correct option from the codes given below:
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MCQs:  Consider the following statements: 1: Speed of sound increases with increase in density of the medium 2: Speed of sound increases with increase in temperature of the medium Which of the above statements is/are correct?
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MCQs:  1 femto metre is equal to how many metres?
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MCQs:  Linear momentum can be described in which of the following units?
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MCQs:  In recent times, the Optical fibres have become popular for usage in data transmissions. What advantages is / are offered by the Optical Fibres? 1: Transmission via optical fibres is immune to electromagnetic interference 2: Optical fibres can transmit data at a faster speed in comparison to metals Select the correct option from the codes given below:
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MCQs:  Who gave the Theory of Relativity?
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MCQs:  Which of the following is correct about the properties of Gravitational Forces?
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MCQs:  The branch of mechanics which deals with the study of motion of material objects without taking into account the factors which cause motion is called as:
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MCQs:  The motion of an object under free fall is an example of which of the following?
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MCQs:  What is the angular acceleration of a body moving with constant angular velocity?
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MCQs:  Which of the following is NOT correct about Vectors addition?
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MCQs:  The forces acting at a point are called as:
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MCQs:  The Newton’s third law is applicable when:
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MCQs:  Angle of friction is _______:
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MCQs:  Which of the following is NOT a conservative force?
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MCQs:  1 electron volt of energy is equal to ____?
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MCQs:  Which of the following is/are correct about Kinetic energy?
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MCQs:  What will be the work done in holding a 25 kg iron plate for 25 seconds?
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MCQs:  As per the Kepler’s third law, the square of the time period of revolution of a planet is directly proportional to which of the following?
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