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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
If the F1 generation produced by a cross between axial and terminal flower-bearing plants produces only axial flowers, the F2 progeny produced by the self-crossing of F1 will also produce only axial flowers. |
A. | True |
B. | False |
Answer» C. | |
2. |
What kind of a process is the segregation of alleles during meiosis? |
A. | Uniform |
B. | Gaussian |
C. | Stochastic |
D. | Poisson |
Answer» D. Poisson | |
3. |
What is the cross between VV and vv called? |
A. | Monohybrid cross |
B. | Dihybrid cross |
C. | Monogamous cross |
D. | Digamous cross |
Answer» B. Dihybrid cross | |
4. |
The factor expressed only in homozygous state is called _________ |
A. | dominant |
B. | recessive |
C. | gene |
D. | allele |
Answer» C. gene | |
5. |
VV, Vv and vv are _______, while violet and white are _________ |
A. | genotypes, phenotypes |
B. | phenotypes, genotypes |
C. | genotypes, genotypes |
D. | phenotypes, phenotypes |
Answer» B. phenotypes, genotypes | |
6. |
Which zygosity has the same allelic pair of genes? |
A. | Homozygosity |
B. | Heterozygosity |
C. | Hemizygosity |
D. | Nullizygosity |
Answer» B. Heterozygosity | |
7. |
To represent a genotype, the dominant allele is represented by a capital letter and the recessive allele by a small letter. |
A. | True |
B. | False |
Answer» B. False | |
8. |
What are the copies of genes that code for different phenotypes called? |
A. | Alleles |
B. | Gametes |
C. | Chromatin |
D. | DNA |
Answer» B. Gametes | |
9. |
What exactly are Mendel s factors? |
A. | Genes |
B. | Proteins |
C. | Chromosomes |
D. | RNA |
Answer» B. Proteins | |
10. |
Based on his experiments on pea plants, what were the things that he suspected of being transferred across generations? |
A. | Genes |
B. | Factors |
C. | Chromosomes |
D. | DNA |
Answer» C. Chromosomes | |
11. |
Which of the following was not observed in F2 progeny of true-breeding tall and dwarf plants? |
A. | Homozygous tall plants |
B. | Heterozygous tall plants |
C. | Homozygous dwarf plants |
D. | Heterozygous dwarf plants |
Answer» E. | |
12. |
In Mendelian crosses, the F2 progeny exhibits a recessive phenotype and a blended phenotype. |
A. | True |
B. | False |
Answer» C. | |
13. |
What are the possible phenotypes that can be observed after self-crossing violet flowered pea plants? |
A. | All violet |
B. | All white |
C. | 25% violet and 75% white |
D. | 25% white and 75% violet |
Answer» E. | |
14. |
Self-pollination of F1 progeny will result in a new filial generation called _______ |
A. | F1 |
B. | F0 |
C. | F2 |
D. | F1.1 |
Answer» D. F1.1 | |