MCAER PG CET 2026 BOTANY AND GENETICS PLANT BREEDING

 

MCAER PG CET 2026
Botany, Genetics & Plant Breeding

Time Left: 100s

1. Which hormone is responsible for apical dominance?

Cytokinin
Auxin
Gibberellin
Ethylene

2. Double fertilization occurs in:

Angiosperms
Gymnosperms
Bryophytes
Pteridophytes

3. PYQ (2022): Law of segregation was proposed by:

Mendel
Morgan
Darwin
Bateson

4. Which enzyme is responsible for DNA replication?

DNA polymerase
RNA polymerase
Ligase
Helicase

5. Heterosis is also known as:

Hybrid vigor
Inbreeding depression
Mutation
Polyploidy

6. PYQ (2021): Crossing over occurs during:

Prophase I
Pachytene
Metaphase
Anaphase

7. Which breeding method is used for self-pollinated crops?

Pure line selection
Hybrid breeding
Mass selection
Mutation breeding

8. Gene mapping is based on:

Recombination frequency
Mutation rate
Selection pressure
Genetic drift

9. Which pigment is responsible for photosynthesis?

Chlorophyll
Carotene
Xanthophyll
Anthocyanin

10. Mutation induced by radiation is called:

Induced mutation
Spontaneous mutation
Lethal mutation
Silent mutation