Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into?
1. uterus
2. fallopian tube
3. fimbriae
4. cervix
Which of the following depicts the correct pathway of transport of sperms?
| 1. | Rete testis → Efferent ductules → Epididymis → Vas deferens |
| 2. | Rete testis → Epididymis → Efferent ductules → Vas deferens |
| 3. | Rete testis → Vas deferens → Efferent ductules → Epididymis |
| 4. | Efferent ductules → Rete testis → Vas deferens → Epididymis |
| Column-I | Column-II | ||
| A. | Mons pubis | 1. | Embryo formation |
| B. | Antrum | 2. | Sperm |
| C. | Trophectoderm | 3. | Female external genitalia |
| D. | Nebenkern | 4. | Graafian follicle |
1. A-2 B-4 C-3 D-1
2. A-3 B-4 C-1 D-2
3. A-3 B-1 C-4 D-2
4. A-1 B-4 C-3 D-2
Several hormones like hCG, hPL, oestrogen, progesterone are produced by:
| 1. | ovary | 2. | placenta |
| 3. | fallopian tube | 4. | pituitary |
If a colourblind man marries a woman who is homozygous for normal colour vision, the probability of their son being colourblind is:
| 1. | 0 | 2. | 0.5 |
| 3. | 0. 75 | 4. | 1 |
Genetic drift operates in:
| 1. | small isolated population |
| 2. | large isolated population |
| 3. | non-reproductive population |
| 4. | slow reproductive population |
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by?
| 1. | p2 | 2. | 2pq |
| 3. | pq | 4. | q2 |
The chronological order of human evolution from early to the recent is?
| 1. | Australopithecus→Ramapithecus→Homo habilis→Homo erectus |
| 2. | Ramapithecus→Australopithecus→ Homo habilis→Homo erectus |
| 3. | Ramapithecus→Homo habilis→ Australopithecus →Homo erectus |
| 4. | Australopithecus→Homo habilis→Ramapithecus →Homo erectus |
Which of the following is the correct sequence of events in the origin of life?
| I: | Formation of protobionts. |
| II: | Synthesis of organic monomers. |
| III: | Synthesis of organic polymers. |
| IV: | Formation of DNA-based genetic systems. |
| 1. | I, II, III, IV | 2. | I, III, II, IV |
| 3. | II, III, I, IV | 4. | II, III, IV, I |
A molecule that can act as a genetic material must fulfill the traits given below, except:
| 1. | it should be able to express itself in the form of 'Mendelian characters' |
| 2. | it should be able to generate its replica |
| 3. | it should be unstable structurally and chemically |
| 4. | it should provide the scope for slow changes that are required for evolution |