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Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - JAMB MCQ


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5 Questions MCQ Test Biology for JAMB - Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT)

Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) for JAMB 2024 is part of Biology for JAMB preparation. The Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) questions and answers have been prepared according to the JAMB exam syllabus.The Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) MCQs are made for JAMB 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) below.
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Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 1

Which one of the following elements in plants is not remobilised?

Detailed Solution for Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 1

Calcium is not remonilized from the leaves to the fruits, like potassium, phosphorus and sulphur. It occurs abundantly in a non-exchangeable form such as anorthite (CaAl₂Si₂O₈).

Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 2

That element which helps in electron transport in the process of photosynthesis

Detailed Solution for Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 2

During noncyclic electron flow the electron hole in P-680 is filled by electrons obtained by photolysis of water. As a result, there is an evolution of oxygen and the electron move through Mn-protein bound to PS II. In this transport Mn++ is oxidised to Mn+++ and then reduced to Mn++in a cyclic manner. The manganese thus transfers electrons from water to photosystem II and thus plays an important role in electron transport in the process of photosynthesis.

So, the correct answer is option B.

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Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 3

In cabbages, ‘Whiptail’ is a characteristic deficiency disease. It is caused by the deficiency of

Detailed Solution for Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 3

Whiptail disorder is caused due to deficiency of molybdenum in cauliflower.

In young plants the deficiency symptoms are chlorosis of leaf margins and the whole leaves may turn white. The leaf blades do not develop properly. When the deficiency is severe, only the midribs develop. This condition is commonly known as 'Whiptail'.

Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 4

Deficiency of which of the following can cause yellowing of intravenous regions of leaves?

Detailed Solution for Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 4

The deficiency of potassium in plants is first visible in the leaves. They start turning yellow and brown scorches are also seen.

Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 5

Lime is added to the soil which is too

Detailed Solution for Test: Deficiency Symptoms of Essential Elements & Toxicity of Micronutrients (Old NCERT) - Question 5

Liming Acidic Soil – Adding Lime. Your soil is acidic and you would like to change the pH so that it is less acidic. The universal advice is to add lime to the soil ie liming your soil. Lime is alkaline and it will neutralize the acidity of the soil and make it more neutral.

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