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Monday, 5 October

NEET UG · Biology · Plant Kingdom

Algae Classification: NEET previous year questions

11 questions in ten years of NEET, in 6 of 10 papers. Pattern: Every year. Here is how it is asked and which ideas come back.

Asked in 10 years
11
about 1.1 per paper
Years asked
6/10
last asked 2024
Chance of a question next paper
50%
historical rate, how we compute it
Weighted estimate
0.7
model; history: 1.1 a paper on average, typically 0–2

Key findings

  1. 01

    Asked in 6 of 10 papers, 11 questions in all: #70 of 204 topics by ten-year total. It comes back every 1.4 years on average. Last asked in 2024.

  2. 02

    75% of its questions since 2018 tested an idea never asked before; 2 repeated an idea from the year before.

  3. 03

    The most repeated idea is Algal Food Storage, asked 2 times (2021, 2022), usually as “incorrectly matched alga and product”.

  4. 04

    NEET has asked 7 of the 82 ideas in this topic; 66 have never been asked, directly or indirectly.

  5. 05

    Mostly asked as one-line MCQ (91%); 36% easy, 0% hard, and down from 1.4 to 0.3 questions a paper since 2024.

Questions per year

0243’171’180’192’202’212’220’231’240’250’26
Up to 2023
1.4
per paper
Since 2024
0.3
-1.1
Usual gap
1.4 yrs
between papers asking it
Swing
±1.0
questions, year to year

How it is asked

Difficulty, format and skill

Across all 11 questions on Algae Classification since 2017.

Difficulty

QUESTIONS
47
  • Easy4 · 36%
  • Medium7 · 64%
  • Hard0 · 0%

Format

SHARE
  • One-line MCQ · 10 Q91%
  • Other · 1 Q9%

Skill tested

SHARE
  • Recall · 11 Q100%

Repeats

New idea, or one asked before?

Each column is a paper. Blue questions tested an idea NEET had not asked before; navy ones went back to an idea from an earlier paper. 2017 is the first paper, so everything in it counts as new.

3
1
2
2
2
1
’17’18’19’20’21’22’23’24’25’26
  • Idea asked for the first time
  • Idea asked in an earlier paper

Coverage of the topic

NEET has asked 7 of the 82 ideas in this topic. 66 have never been asked yet.

966
  • Asked directly7 · 9%
  • Touched inside another question9 · 11%
  • Never asked66 · 80%

Ideas come from Lumi’s syllabus map of NCERT. A never-asked idea is not a safe skip: most new questions come from exactly these.

Drill down

Idea, year, question

Every idea NEET tested in this topic, with its ten papers. Open one to read the questions.

  • Repeated2 · 18%
    • 2022 · Q104
      Which of the following is incorrectly matched ?

      mediumOne-line MCQAsked the year before

    • 2021 · Q130
      Which of the following algae contains mannitol as reserve food material ?

      easyOne-line MCQNew idea

  • Repeated2 · 18%
  • 2 · 18%2
  • 1 · 9%
  • 1 · 9%
  • 1 · 9%
  • 1 · 9%
  • 1 · 9%

Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.

Ideas

Every idea inside this topic

8 different ideas were tested; 3 came more than once. Algal Forms and Examples is the foundation for 6 other ideas in the syllabus.

  • Algal Food Storage2×

    incorrectly matched alga and product

    One-line MCQ · 6% next · foundation for 3
  • Algin vs Carrageen Sources2×

    identify source of a product

    One-line MCQ · 6% next
  • Haplontic, Diplontic and Haplodiplontic Life Cycles2×

    match organisms to life cycle type

    One-line MCQ · 4% next
  • Phaeophyceae Structure1×

    count correct statements on brown algae

    Other · 6% next · foundation for 4
  • Edible Algae and Space Food1×

    identify pair of unicellular organisms

    One-line MCQ · 4% next · foundation for 1
  • Floridean Starch Structure1×

    identify structural similarity of storage food

    One-line MCQ · 4% next
  • Red Algae Gamete Motility1×

    wrongly matched pair among plant groups

    One-line MCQ · 4% next
  • Algal Forms and Examples1×

    identify example of a type

    One-line MCQ · 4% next · foundation for 6

Chance next is the historical rate at which an idea with this record came back in the following paper. It is low for every idea, which is why learning the topic beats memorising past questions. All repeated ideas

Every question

Algae Classification questions, year by year

The opening words of each question as it appeared in the official paper, with the idea it tested.

NEET 20241 question

  • Q136
    Read the following statements and choose the set of correct statements: In the members of Phaeophyceae, A. Asexual reproduction occurs…

    Idea: Phaeophyceae Structure

    New ideaMediumOther

NEET 20222 questions

  • Q104
    Which of the following is incorrectly matched ?

    Idea: Algal Food Storage

    Asked last yearMediumOne-line MCQ
  • Q133
    Hydrocolloid carrageen is obtained from :

    Idea: Algin vs Carrageen Sources

    Asked last yearEasyOne-line MCQ

NEET 20212 questions

  • Q110
    Which of the following algae produce Carrageen ?

    Idea: Algin vs Carrageen Sources

    New ideaEasyOne-line MCQ
  • Q130
    Which of the following algae contains mannitol as reserve food material ?

    Idea: Algal Food Storage

    New ideaEasyOne-line MCQ

NEET 20202 questions

  • Q50
    Floridean starch has structure similar to :

    Idea: Floridean Starch Structure

    New ideaMediumOne-line MCQ
  • Q53
    Which of the following pairs is of unicellular algae ?

    Idea: Edible Algae and Space Food

    New ideaMediumOne-line MCQ

NEET 20181 question

  • Q135
    Which one is wrongly matched ?

    Idea: Red Algae Gamete Motility

    New ideaMediumOne-line MCQ

NEET 20173 questions

  • Q112
    An example of colonial alga is :

    Idea: Algal Forms and Examples

    EasyOne-line MCQ
  • Q129
    Life cycle of Ectocarpus and Fucus respectively are :

    Idea: Haplontic, Diplontic and Haplodiplontic Life Cycles

    MediumOne-line MCQ
  • Q135
    Zygotic meiosis is characteristic of :

    Idea: Haplontic, Diplontic and Haplodiplontic Life Cycles

    MediumOne-line MCQ

Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.