Which of the following joints would allow no movement?
| 1. | Fibrous joint | 2. | Cartilaginous joint |
| 3. | Synovial joint | 4. | Ball and socket joint |
The wheat grain has an embryo with one large, shield-shaped cotyledon known as?
1. epiblast
2. coleorrhiza
3. scutellum
4. coleoptile
A gene showing co-dominance has?
| 1. | One allele is dominant on the other |
| 2. | Alleles are tightly linked on the same chromosome |
| 3. | Alleles that are recessive to each other |
| 4. | Both alleles are independently expressed in the heterozygote |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 90930
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 90930
Which of the following structure is not found in a prokaryotic cell?
1. Nuclear envelope
2. Ribosome
3. Mesosome
4. Plasma membrane
The imperfect fungi which are decomposers of litter and help in mineral cycling belong to?
| 1. | Deuteromycetes | 2. | Basidiomycetes |
| 3. | Phycomycetes | 4. | Ascomycetes |
Match the columns and identify the correct option.
| Column I | Column II | ||
| A. | Thylakoids | (i) | Disc-shaped sacs in Golgi apparatus |
| B. | Cristae | (ii) | Condensed structure of DNA |
| C. | Cisternae | (iii) | Flat membranous sacs in stroma |
| D. | Chromatin | (iv) | Infolding in mitochondria |
1. A → (iv), B → (iii), C → (i), D → (ii)
2. A → (iii), B → (iv), C → (i), D → (ii)
3. A → (iii), B → (i), C → (iv), D → (ii)
4. A → (iii), B → (iv), C → (ii), D → (i)
Select the wrong statement:
| 1. | The viroids were discovered by D.J lvanovsky. |
| 2. | W.M. Stanley showed that viruses could be crystallized. |
| 3. | The term 'contagium vivum fluidum' was coined by MW Beijerinck. |
| 4. | Mosaic disease in tobacco and AIDS in human beings are caused by viruses. |
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by?
1. Leghaemoglobin
2. Xanthophylls
3. Carotene
4. Cytochrome
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