The sequence that controls the copy number of the linked DNA in the vector is termed as :
1. Ori site
2. Palindromic sequence
3. Recognition site
4. Selectable marker
Cuboidal epithelium with brush border of microvilli is found in :
1. Ducts of salivary glands
2. Proximal convoluted tubule of nephron
3. Eustachian tube
4. Lining of intestine
The body of the ovule is fused within the funicle at :
| 1. | Micropyle | 2. | Nucellus |
| 3. | Chalaza | 4. | Hilum |
In light reaction, plastoquinone facilitates the transfer of electrons from:
| 1. | Cytb6f complex to PS I | 2. | PS I to NADP+ |
| 3. | PS I to ATP synthase | 4. | PS II to Cytb6f complex |
Match the following diseases with the causative organism and select the correct option.
| Column-I | Column-II | ||
| (a) | Typhoid | (i) | Wuchereria |
| (b) | Pneumonia | (ii) | Plasmodium |
| (c) | Filariasis | (iii) | Salmonella |
| (d) | Malaria | (iv) | Haemophilus |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (ii) | (i) | (iii) | (iv) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (iii) | (ii) | (iv) |
Match the following microorganism with product
| Column - I | Column - II | ||
| (a) | Clostridium butylicum | (i) | Cyclosporin A |
| (b) | Trichoderma polysporunt | (ii) | Butyric acid |
| (c) | Monascus purpureus | (iii) | Citric acid |
| (d) | Aspergillus niger | (iv) | Blood cholesterol lowering agent |
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (ii) | (iv) | (iii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (iv) | (ii) | (i) |
Which of the following statements are true for the phylum-Chordata?
| (a) | In Urochordata, notochord extends from head to tail and is present throughout their life |
| (b) | In Vertebrata, notochord is present during the embryonic period only |
| (c) | Central nervous system is dorsal and hollow |
| (d) | Chordata is divided into 3 sub-phyla : Hemichordata, Tunicata and Cephalochordata |
1. (c) and (a)
2. (a) and (b)
3. (b) and (c)
4. (d) and (c)
Goblet cells of alimentary canal are modified from:
| 1. | Columnar epithelial cells | 2. | Chondrocytes |
| 3. | Compound epithelial cells | 4. | Squamous epithelial cells |
Which of the following is not an inhibitory substance governing seed dormancy?
1. Abscisic acid
2. Phenolic acid
3. Para-ascorbic acid
4. Gibberellic acid
Name the enzyme that facilitates opening of DNA helix during transcription.
1. DNA helicase
2. DNA polymerase
3. RNA polymerase
4. DNA ligase
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