Identify the fungi which do not belong to the group of other fungi among the following:
| 1. | Sac-fungi | 2. | Puffballs |
| 3. | Mushrooms | 4. | Bracket Fungi |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | The beginning of diplotene is recognised by the dissolution of the synaptonemal complex and formation of X shaped structures called chiasmata |
| Reason (R): | In oocytes of some vertebrates, diplotene can last for months or years. |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | (A) is correct but (R) is not correct. |
| 2. | (A) is not correct but (R) is correct. |
| 3. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R)
| Assertion (A): | Semiconservative replication was experimentally proved by Mathew Meselson and Franklin Stahl (1958) |
| Reason (R): | Meselson and Stahl used radioactive isotope \(^{15}N\) and equilibrium density gradient centrifugation technique. |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Which of the following set represents the correct labeling of A, B, C and D with respect to the given diagram?
| 1. | A- Seed Coat, B- Cotyledon, C- Endosperm, D - Hypocotyle |
| 2. | A -Seed Coat, B- Scutellum, C- Endocarp, D - Mesocarp |
| 3. | A- Seed Coat, B- Scutellum, C- Microphyle, D - Endocarp |
| 4. | A-Pericarp, B - Coleoptile |
The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of :
1. Dalton units
2. Svedberg units
3. Monomeric units
4. Dobson units
Which of the following was proved by girdling experiment?
| 1. | Apoplastic movement of water occurs through intercellular spaces |
| 2. | Symplastic movement of water occurs through interconnected protoplast |
| 3. | Xylem is responsible for uptake of water |
| 4. | Phloem is responsible for translocation of food |
Which of the following is not a character of collenchyma tissue?
| 1. | They provide mechanical support to the growing part of the plant |
| 2. | They occur in layers below epidermis in dicotyledonous plants |
| 3. | They consist of cells with thick corners due to cellulose deposition |
| 4. | They are usually dead and without protoplasts |
Which of the following pair of micronutrients would help in the light phase of photosynthesis to help in the reaction leading to oxygen evolution?
1. Zinc and Chlorine
2. Manganese and Molybdenum
3. Molybdenum and Iron
4. Manganese and Chlorine
The construction of the first recombinant DNA emerged from the possibility of linking a gene encoding antibiotic resistance with a native plasmid of which of the following organism?
| 1. | Escherichia coli | 2. | Bacillus thuringiensis |
| 3. | Salmonella typhimurium | 4. | Agrobacterium tumefaciens |
Assuming that fur colour of an animal ranges from dark, intermediates shades, to white. A cross is made between a male (AABBCC) with dark fur colour and a female (aabbcc) with white fur colour. What would be the fur colour of F1 generation?
| 1. | All intermediate colour | 2. | Range of colour shade |
| 3. | All dark colour | 4. | All white colour |
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