Root hairs develop from the region of:
1. Elongation
2. Root cap
3. Meristematic activity
4. Maturation
A disease caused by an autosomal primary non-disjunction is:
1. Klinefelter's Syndrome
2. Turner's Syndrome
3. Sickle Cell Anemia
4. Down's Syndrome
The water potential of pure water is:
1. Less than zero
2. More than zero but less than one
3. More than one
4. Zero
Which of the following options gives the correct sequence of events during mitosis?
| 1. | Condensation, nuclear membrane disassembly, arrangement at the equator, centromere division, segregation, telophase |
| 2. | Condensation, crossing over, nuclear membrane disassembly, segregation, telophase |
| 3. | Condensation, centromere division, segregation, arrangement at the equator, telophase |
| 4. | Condensation, nuclear membrane disassembly, crossing over, segregation, telophase |
The process of separation and purification of expressed protein before marketing is called:
1. Downstream processing
2. Bioprocessing
3. Post-product processing
4. Upstream processing
A temporary endocrine gland in the human body is:
| 1. | Corpus cardiacum | 2. | Corpus luteum |
| 3. | Corpus allatum | 4. | Pineal gland |
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 |
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