NEET 1993 · Class 12

Organisms and Populations

Study of inter-relationships between organisms and their environment is

  1. (A)ecology
  2. (B)ecosystem
  3. (C)phytogeography
  4. (D)ethology

The NCERT line that answers it

Verbatim line

As a branch of biology, Ecology is the study of the relationships of living organisms with the abiotic (physico-chemical factors) and biotic components (other species) of their environment.

Chapter
Organisms and Populations
Section
11.1.4 Population Interactions
Page
15
Words matched
28 of 28

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly defines ecology as 'the study of the relationships of living organisms with the abiotic and biotic components of their environment,' which directly matches the question's definition of 'study of inter-relationships between organisms and their environment.'

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

Question text is reproduced from the published NEET 1993 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.