NEET 1992 · Class 12

Principles of Inheritance and Variation

An organism with two identical alleles is

  1. (A)dominant
  2. (B)hybrid
  3. (C)heterozygous
  4. (D)homozygous

The NCERT line that answers it

Verbatim line

Mendel also proposed that in a true breeding, tall or dwarf pea variety the allelic pair of genes for height are identical or **homozygous**, **TT** and **tt**, respectively.

Chapter
Principles of Inheritance and Variation
Section
4.2 INHERITANCE OF ONE GENE
Page
5
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 states that 'the allelic pair of genes for height are identical or homozygous', which directly defines an organism with two identical alleles as homozygous.

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 1992 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.