Which of the following is made up of dead cells?
1. Collenchyma
2. Phellem
3. Phloem
4. Xylem parenchyma
| Column I | Column II | ||
| (a) | Gonorrhea | (i) | HIV |
| (b) | Syphilis | (ii) | Neisseria |
| (c) | Genital Warts | (iii) | Treponema |
| (d) | AIDS | (iv) | Human Papilloma-Virus |
| 1. | a-(iii) b-(iv) c-(i) d-(ii) | a-(iv) b-(ii) c-(iii) d-(i) | |
| 3. | a-(iv) b-(iii) c-(ii) d-(i) | a-(ii) b-(iii) c-(iv) d-(i) |
The function of copper ions in copper releasing IUDs is to
| 1. | inhibit gametogenesis |
| 2. | make uterus unsuitable for implantation |
| 3. | inhibit ovulation |
| 4. | suppress sperm motility and fertilizing capacity of sperms |
Which of the following in sewage treatment removes suspended solids?
1. Secondary treatment
2. Primary treatment
3. Sludge treatment
4. Tertiary treatment
An important characteristic that Hemichordates share with Chordates is:
1. Ventral tubular nerve cord
2. Pharynx with gill slits
3. Pharynx without gill slits
4. Absence of notochord
The final proof for DNA as the genetic material came from the experiments of:
1. Hershey and chase
2. Avery, McLeod and McCarty
3. Har Gobind Khorana
4. Griffith
Among the following characters, which one was not considered by Mendel in his experiments on pea?
1. Trichomes-Gladular or non-gladular
2. Seed-green or yellow
3. Pod-inflated or constricted
4. Stem-Tall or Dwarf
Plants which produce characteristic pneumatophores and show vivipary belong to:
1. Halophytes
2. Psammophytes
3. Hydrophytes
4. Mesophytes
The pivot joint between atlas and axis is a type of:
1. Cartilaginous joint
2. Synovial joint
3. Saddle joint
4. Fibrous joint
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