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
Match the following:
(a) | Inhibitor of catalytic activity of succinate dehydrogenase | (i) | Ricin |
(b) | Possess peptide bonds | (ii) | Malonate |
(c) | Cell wall material in fungi | (iii) | Chitin |
(d) | Secondary metabolite | (iv) | Collagen |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (iv) | (ii) |
2. | (iii) | (iv) | (i) | (ii) |
3. | (ii) | (iii) | (i) | (iv) |
4. | (ii) | (iv) | (iii) | (i) |
Bilaterally symmetrical and acoelomate animals are exemplified by:
1. Platyhelminthes
2. Aschelminthes
3. Annelida
4. Ctenophora