Select the correct sequence for transport of sperm cells in male reproductive system.
1. Testis Epididymis Vasa efferentia Vas deferens Ejaculatory duct Inguinal canal
Urethra Urethral meatus
2. Testis Epididymis Vasa efferentia Rete testis Inguinal canal Urethra
3. Seminiferous tubules Rete testis Vesa efferentia Epididymus Vas deferens
Ejaculatory duct Urethra Urethral meatus
4. Seminiferous tubules Vasa efferentia Epididymis Inguinal canal Urethra
Which of the following contraceptive methods do involve a role of hormone?
| 1. | Pills, Emergency contraceptives, barrier methods |
| 2. | Lactational amenorrhea, Pills, Emergency contraceptives |
| 3. | Barrier method, Lactational amenorrhea, pills |
| 4. | CuT, Pills, Emergency contraceptives |
Select the hormone-releasing Intra-Uterine Devices:
| 1. | Lippes Loop, Multitoad 375 |
| 2. | Vaults, LNG-20 |
| 3. | Multiload 375, Progestasert |
| 4. | Progestasert, LNG-20 |
Which of the following sexually transmitted diseases is not completely curable?
1. Chlamydiosis
2. Gonorrhoea
3. Genital warts
4. Genital herpes
In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in generation, pink flowers were obtained. When pink flowers were selfed, the generation showed white, red and pink flowers. Choose the incorrect statement from the following:
| 1. | Law of Segregation does not apply in this experiment |
| 2. | This experiment does not follow the Principle of Dominance |
| 3. | Pink colour in is due to incomplete dominance |
| 4. | Ratio of is 1/4(red):2/4(pink):1/4(white) |
Select the incorrect statement:
| 1. | Human males have one of their sex-chromosome much shorter than the other. |
| 2. | Male fruit fly is heterogametic. |
| 3. | In male grasshoppers, 50% of sperms have no sex chromosome. |
| 4. | In domesticated fowls, the sex of progeny depends on the type of sperm rather than the egg. |
A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population?
| 1. | 0.16 (AA); 0.36 (Aa); 0.48 (aa) |
| 2. | 0.36 (AA); 0.48 (Aa); 0.16 (aa) |
| 3. | 0.16 (AA); 0.24 (Aa); 0.36 (aa) |
| 4. | 0.16 (AA); 0.48 (Aa); 0.36 (aa) |
What map unit (Centimorgan) is adopted in the construction of genetic maps?
1. A unit of distance between genes on chromosomes, representing 50% cross over.
2. A unit of distance between two expressed genes, representing 10% cross over.
3. A unit of distance between two expressed genes, representing 100% cross over.
4. A unit of distance between genes on chromosomes. representing 1% cross over.
The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:
1. Sutton Boveri
2. T.H. Morgan
3. Gregor J. Mendel
4. Alfred Sturtevant
What is the genetic disorder in which an individual has an overall masculine development gynaecomastia, and is sterile?
1. Down's syndrome
2. Turner's syndrome
3. Klinefelter's syndrome
4. Edward syndrome
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