Which of the following cannot be detected in a developing foetus by amniocentesis?
1. Sex of the foetus
2. Down syndrome
3. Jaundice
4. Klinefelter syndrome
| 1. | in digesting proteins and carbohydrates |
| 2. | as energy transferring organelles |
| 3. | in post-translational modification of proteins and glycosylation of lipids |
| 4. | in trapping the light and transforming it into chemical energy |
Select the correct match of the digested products in humans given in column-I with their' absorption site and mechanism in column-II.
| Column I | Column II | |
| 1. | Fructose, Na+ | Small intestine, passive absorption |
| 2. | Glycerol, fatty acids | Duodenum, move as chilomicrons |
| 3. | Cholesterol, maltose | Large intestine, active absorption |
| 4. | Glycine, glucose | Small intestine, active absorption |
1. (1)
2. (2)
3. (3)
4. (4)
The characteristics and an example of a synovial joint in humans are:
| Characteristics | Examples | |
| 1. | Fluid-filled between two joints, provides cushion | Skull Bones |
| 2. | Lymph filled between two bones, limited motion | Gliding joint between carpals |
| 3. | Fluid-filled synovial cavity between two bones | Joint between atlas and axis |
| 4. | Fluid cartilage between two bones, limited motion | Knee joint |
A stage in cell division is shown in the figure. Select the answer which gives the correct identification of the stage with its characteristics:
|
1. |
Late anaphase |
Chromosomes move away from the equatorial plate, Golgi complex not present |
|
2. |
Cytokinesis |
Cell plate formed, mitochondria distributed between two daughter cells |
|
3. |
Telophase |
Endoplasmic reticulum and nucleolus not reformed yet |
|
4. |
Telophase |
Nuclear envelope reforms, Golgi complex reforms |
The diagram given here is the standard ECG of a normal person, The P - wave represents the:
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