MCAER PG CET 2026 – Genetics & Plant Breeding

Time Left: 100

1. The law of independent assortment applies to genes located on?

Same chromosome Different chromosomes Sex chromosomes only Mitochondrial DNA

2. The ratio 9:7 in F₂ generation indicates? (PYQ 2021)

Complementary gene action Duplicate genes Epistasis Additive genes

3. Test cross is used to determine?

Genotype Phenotype Dominance Mutation

4. The breeder who developed hybrid maize technique was? (PYQ 2020)

Shull Mendel Nilsson Ehle Johannsen

5. The term pure line was proposed by?

Johannsen Mendel Darwin Bateson

6. Heterosis is maximum in?

F1 generation F2 generation Backcross F3 generation

7. Mutation breeding was first successfully used in?

Barley Wheat Rice Maize

8. Cytoplasmic male sterility is mainly used in? (PYQ 2022)

Hybrid seed production Mutation breeding Polyploid breeding Pure line selection

9. The genetic unit responsible for recombination is?

Recon Muton Cistron Operon

10. Backcross breeding is mainly used for?

Transfer of one gene Polygenic traits Mutation creation Hybrid vigor