NEET UG 2020 · Botany · Question 28
NEET 2020 Botany, question 28
Question 28 of the NEET 2020 paper (code E1) is a Botany question from Mineral Nutrition. Its idea, Manganese in Photolysis of Water, was asked 3 times, in 2020, 2022 and 2023, across NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q28 · Botany
Match the following concerning essential elements and their functions in plants :
| (a) Iron | (i) Photolysis of water |
| (b) Zinc | (ii) Pollen germination |
| (c) Boron | (iii) Required for chlorophyll biosynthesis |
| (d) Manganese | (iv) IAA biosynthesis |
Select the correct option :
- 1(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
- 2(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
- 3(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)Official answer
- 4(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
Official answer: option 3 · NTA final answer key
Same idea
Manganese in Photolysis of Water, in other papers
NEET asked this idea 3 times, in 2020, 2022 and 2023. The other 2 questions below.
- 2023 Q103Which micronutrient is required for splitting of water molecule during photosynthesis?One-line MCQ · Easy
- 2022 Q127Match List - I with List - II. List - I | List - II (a) Manganese | (i) Activates the enzyme catalase (b) Magnesium | (ii) Required for…Match the lists · Medium
Manganese in Photolysis of Water: every question and how it was framed
The chapter
Mineral Nutrition in ten years of NEET
12 questions from 2017–2026, asked in 8 of 10 papers, about 1.1 a paper. Mineral Nutrition alone had 6.