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Major role of minor essential elements is to act as:
Precalculus 10 by Michael Sullivan
Precalculus 10 Edition
Author:
Michael Sullivan
Edition:
10
ISBN:
9780321979070
Publisher:
PEARSON
Subject:
Pre-Calculus
Question
Easy
Timing Icon

Solving time: 1 mins

Major role of minor essential elements is to act as:

A
Co-factors of enzymes

B
Building blocks of important amino acids

C
Constituents of hormones

D
Binders of cell structure

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Book

Book:

Precalculus

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The bacterium Rhizoblum infects the roots through the root hairs of groundnut plant and reproduce in the cells of cortex of roots. Simultaneously the division of cortex cells take place due to which the nodules are formed in the root.
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Practice questions from Precalculus

Question 1
Easy
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Views: 5,479

A trace element is an element which:
  1. Is a radioactive and can be traced by Geiger counter
  2. Is required in very minute amounts
  3. Draws other element out of protoplasm
  4. Was one of the first to be discovered in protoplasm
Topic

Topic:

Mineral Nutrition

Book

Book:

Precalculus

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Question 2
Easy
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Views: 6,090

Which of the following is not an essential macro-element for the growth of plants?
  1. N
  2. Zn
  3. Ca
  4. K
Topic

Topic:

Mineral Nutrition

Book

Book:

Precalculus

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Question 3
Easy
Views

Views: 5,406

Boron in green plants assists in:
  1. Sugar transport
  2. Activation of enzymes
  3. Acting as enzyme cofactor
  4. Photosynthesis
Topic

Topic:

Mineral Nutrition

Book

Book:

Precalculus

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Question 4
Easy
Views

Views: 5,943

Which of the following is considered to be the elements between macro-nutrients and micro-nutrients?
  1. Iron
  2. Nitrogen
  3. Phosphorus
  4. Manganese
Topic

Topic:

Mineral Nutrition

Book

Book:

Precalculus

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Practice more questions from Mineral Nutrition

Question 1
Easy
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The plant ash is an indication of.
  1. organic matter of plant.
  2. waste product.
  3. mineral salts absorbed by plants.
  4. None of the above
Topic

Topic:

Mineral Nutrition

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Chapterwise DPP Sheets for Biology NEET (Disha)

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Question 2
Easy
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 and :
  1. Are generally heterotrophic
  2. Can oxidise various inorganic substances such as nitraes, nitrites and ammonia and use the released energy for their ATP production
  3. Are majorly decomposers
  4. Play the role in nitrogen fixing
Topic

Topic:

Mineral Nutrition

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Question 3
Easy
Views

Views: 5,376

Legumes’ roots have swellings called nodules that
  1. produce antibiotics that protect the plant from soil bacteria
  2. provide a steady supply of sugar to the host plant
  3. increases the surface area for water uptake
  4. contain nitrogen-fixing bacteria
Topic

Topic:

Mineral Nutrition

Book

Book:

Chapterwise DPP Sheets for Biology NEET (Disha)

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Question 4
Easy
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Views: 5,574

Which one of the following elements is not an essential micronutrient for plant growth?
Topic

Topic:

Mineral Nutrition

Book

Book:

33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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Most hurricanes will originate a. near the North Pole. b. in the equatorial region. c. when the water and air are cold. d. below the ocean’s surface currents.
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The major histocompatibility complexa. codes for specific proteins found on the surfaces of cells.b. plays no role in T cell immunity.c. plays no role in antibody responses.d. plays no role in skin graft rejection.e. is encoded by a single locus with multiple alleles.
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Do you think all organisms rely on the Sun in part for energy? Explain your reasoning. Why is a "ring of life" more appropriate to describe the relationships between archaea, bacteria, and eukaryotes than a "tree of life"?
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Question 4
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Match the following function to the term that performs the function. *Note that some choices may be used more than once or not at all.
  1. Digastric: Skeletal muscle that depresses the mandible and raises the hyoid.
  2. Amylase: Enzyme found in the oral cavity and small intestine that breaks down carbohydrates.
  3. Stomach: Sac lined with rugae (folds) that holds hydrochloric acid and pepsin to digest chyme.
  4. Gall Bladder: Stores bile and rats do not have one.
  5. Large Intestine: Where the majority of water absorption occurs as well as the uptake of Vitamins K and B12.
  6. Cardiac Sphincter: Skeletal muscle that separates the thoracic and abdominal cavities.
Topic

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Biology

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Question Text
Major role of minor essential elements is to act as:
TopicMineral Nutrition
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes16