Introduction β€” NEET Biology Questions

Practice 22 questions on Introduction from Biological classification (NCERT Class 11, Chapter 2). Free samples below β€” get all 22 in the app.

22 Questions Biological classification Class 11

Sample Questions β€” Introduction

Try 5 questions below from Introduction. Get all 22 in the MedicNEET app.

MCQ
Why are animals not included in the kingdom Fungi despite being heterotrophic?
  • A. They lack chloroplasts
  • B. They have cell walls
  • C. They ingest food unlike fungi
  • D. They can photosynthesize
βœ… Correct Answer: C
Animals ingest food while fungi absorb nutrients, which is a major difference in their nutritional modes.
MCQ
Why did R.H. Whittaker propose a five-kingdom system instead of the previous classifications?
  • A. To include viruses and other organisms which were left out
  • B. Due to advancement in molecular biology which helped in more accurate classification
  • C. Due to the discovery of archaebacteria
  • D. To include modes of nutrition and reproduction in classification
βœ… Correct Answer: D
Whittaker considered not just structure but also mode of nutrition, thallus organization, reproduction, and phylogenetic relationships.
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MCQ
Which of the following explains why Protista is more diverse than Monera?
  • A. It includes photosynthetic organisms along with non photosynthetic
  • B. It lacks a nucleus and membrane bound organelles
  • C. It has unicellular organisms
  • D. It is eukaryotic with greater structural and functional variety
βœ… Correct Answer: D
Being eukaryotic, Protista includes various modes of nutrition, locomotion, and reproduction.
MCQ
Which of the following is not a criterion listed for modern classification systems?
  • A. Cell structure
  • B. Evolutionary relationships
  • C. Reproduction method
  • D. Method of locomotion
βœ… Correct Answer: D
Other features like cell structure, wall, nutrition, reproduction were emphasized.
MCQ
Which of the following organisms was previously placed under β€˜algae’ in older systems?
  • A. Euglena and Amoeba
  • B. Chlamydomonas and Spirogyra
  • C. Paramoecium and Fungi
  • D. Anabaena and Yeast
βœ… Correct Answer: B
Both are unicellular and multicellular algae respectively.

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