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Test: Mineral Requirement of Plants & Essential Mineral Elements


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10 Questions MCQ Test Biology Class 11 | Test: Mineral Requirement of Plants & Essential Mineral Elements

Test: Mineral Requirement of Plants & Essential Mineral Elements for NEET 2022 is part of Biology Class 11 preparation. The Test: Mineral Requirement of Plants & Essential Mineral Elements questions and answers have been prepared according to the NEET exam syllabus.The Test: Mineral Requirement of Plants & Essential Mineral Elements MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Mineral Requirement of Plants & Essential Mineral Elements below.
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Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 1

Which of the following is not an essential element?

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 1

Essential elements are those element which are absolutely necessary for supporting normal growth and reproduction of plants, thhe elements are specific in their action and are directly involved in the nutrition of the plant potassium is macroelement, zinc and iron are microelement. Iodine and sodium are essential for animals and are not required by most of the plants however, iodine is found in certain marine algae.

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 2

Which is essential for root hair growth?

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 2

Calcium is an important constituent of middle lamellae in plants, where it is present as calcium pectate. Hence, actively growing regions of calcium like stem tip and root hairs essentially require calcium.

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 3

The most abundant element present in plants is

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 3

Carbon is one of the macronutrients present in the plants. It is the most abundant element found in plants. Carbon is a constiuent of organic compounds. It is one of the non-mineral element. Carbohydrates like sugars, starches and cellulose are the important organic compounds composed of carbon present in plants.
So, the correct answer is 'Carbon'

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 4

Plants can be grown in (Tick the incorrect option)

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 4

Plants need essential nutrients for growth, physiological changes and other important activities. Soil having essential nutrients is suitable for plant growth. Plants can also be grown in water having all essential nutrients (e.g., hydroponics, soilless culture of plants, where roots are immersed in nutrient solution without soil).

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 5

Zn, Mo, Fe and Cu are

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 5

A trace element is any chemical element that is present in minute amounts in an environment or ecosystem.
Although a plant's primary nutritional needs are mostly met through nitrogen, phosphorus, and potassium (NPK), they also require small amounts of other elements as well.

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 6

Which one of the following is not an essential element for plants?

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 7

Which one of the following is a micronutrient in plants?

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 7

Plants require seventeen essential mineral elements which can be grouped into two classes based on the amount required- 
Macronutrients (required in large amount) and micronutrient (required in small amounts).
The essential macronutrients are carbon, hydrogen, oxygen, nitrogen, phosphorous, potassium, sulphur, magnesium, calcium and essential micronutrients are iron, molybdenum, boron, chlorine, copper, zinc, nickel and manganese.

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 8

The middle lamella mainly contains

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 8

A plant cell is characterised by the presence of a cellulosic cell wall outside the cell membrane. The cell wall is dead at maturity. The cell walls of adjacent cells are joined together by the presence of cementing middle lamella. The middle lamella comprises of calcium pectate.

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 9

Which of the following is a macronutrient?

Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 10

The macronutrients which are an essential component of all organic compounds and yet not obtained by plants from soil are

Detailed Solution for Test: Mineral Requirement of Plants & Essential Mineral Elements - Question 10 Carbon is obtained by photosynthesis as a gas.
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