Which of the following characteristics represent the 'Inheritance of blood groups' in humans?
a. Dominance
b. Co-dominance
c. Multiple allelism
d. Incomplete dominance
e. Polygenic inheritance
| 1. | b, c, and e | 2. | a, b and c |
| 3. | b, d, and e | 4. | a, c, and e |
Dissolution of the synaptonemal complex occurs during :
| 1. | Zygote | 2. | Diplotene |
| 3. | Leptotene | 4. | Pachytene |
Experimental verification of the chromosomal theory of inheritance was done by:
| 1. | Sutton | 2. | Boveri |
| 3. | Morgan | 4. | Mendel |
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 |
Select the correct match:
| 1. | Phenylketonuria | Autosomal dominant trait |
| 2. | Sickle cell anemia | Autosomal recessive trait chromosome - 11 |
| 3. | Thalassemia | X linked |
| 4. | Haemophilia | Y linked |
Match the following with respect to meiosis:
| Column-I | Column-II | ||
| (a) | Zygotene | (i) | Terminalization |
| (b) | Pachytene | (ii) | Chiasmata |
| (c) | Diplotene | (iii) | Crossing over |
| (d) | Diakinesis | (iv) | Synapsis |
Select the correct option from the following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | iv | iii | ii | i |
| 2. | i | ii | iv | iii |
| 3. | ii | iv | iii | i |
| 4. | iii | iv | i | ii |
Which of the following is put into anaerobic sludge digester for further sewage treatment?
| 1. | Floating debris | 2. | Effluents of primary treatment |
| 3. | Activated sludge | 4. | Primary sludge |
In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?
| 1. | Gross primary productivity is always more than Net primary productivity. |
| 2. | Gross primary productivity and Net primary productivity are one and the same. |
| 3. | There is no relationship between Gross primary productivity and Net primary productivity. |
| 4. | Gross primary productivity is always less than net primary productivity. |
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