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A trace element is an element which
Options
(a) Is a radioactive and can be traced by Geiger counter
(b) Is required in very minute amounts
(c) Draws other element out of protoplasm
(d) Was one of the first to be discovered in protoplasm
Correct Answer:
Is required in very minute amounts
Explanation:
They are those essential elements which are required by plants in traces only, equal or less than 0.1 mg/gm of dry matter. They are eight in number – Fe, Zn,Mn,B,cu,Mo,Cl and Ni
Related Questions: - In the primitive atmosphere which was not available in free state?
- PGA as the first CO₂ fixation product was discovered in photosynthesis of:
- Which one of the following is categorised as a parasite in true sense?
- Which of the following process takes place in mitochondria?
- Rhizopus produces asexually by means of
Topics: Transport and Nutrition in Plants
(163)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the primitive atmosphere which was not available in free state?
- PGA as the first CO₂ fixation product was discovered in photosynthesis of:
- Which one of the following is categorised as a parasite in true sense?
- Which of the following process takes place in mitochondria?
- Rhizopus produces asexually by means of
Topics: Transport and Nutrition in Plants (163)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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