Alzheimer disease in humans is associated with the deficiency of:
1. dopamine
2. glutamic acid
3. acetylcholine
4. Gamma Amino Butyric Acid (GABA)
The cytoskeleton is made up of:
| 1. | calcium carbonate granules |
| 2. | callose deposits |
| 3. | cellulosic microfibrils |
| 4. | proteinaceous filaments |
Compared to blood our lymph has:
1. no plasma
2. plasma without proteins
3. more WBCs and no RBCs
4. more RBCs and less WBCs
Which one of the following is the most likely root cause of why menstruation is not taking place in regularly cycling human female?
| 1. | Fertilization of the ovum |
| 2. | Maintenance of the hypertrophical endometrial lining |
| 3. | Maintenance of high concentration of sex-hormones in the blood stream |
| 4. | Retention of well-developed corpus luteum |
Given below is a schematic break-up of the phases/stages of cell cycle-
Which one of the following is the correct indication of the stage/phase in the cell cycle?
| 1. | B-Metaphase | 2. | C-Karyokinesis |
| 3. | D-Synthetic phase | 4. | A-Cytokinesis |
is that of:
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having:
| 1. | other antigens besides A and B on RBCs |
| 2. | over dominance of this type on the genes for A and B types |
| 3. | one antibody only- either anti A or anti-B on the RBCs |
| 4. | no antigens A and B on RBCs |
Which one of the following statement is true regarding digestion and absorption of food in humans?
| 1. | Oxyntic cells in our stomach secrete the proenzyme pepsinogen |
| 2. | Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+. |
| 3. | Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries. |
| 4. | About 60% of starch is hydrolysed by salivary amylase in our mouth. |
Anatomically, fairly old dicotyledonous root is distinguished from the dicotyledonous stem by:
1. absence of secondary xylem
2. absence of secondary phloem
3. presence of cortex
4. position of protoxylem
Manganese is required in:
1. nucleic acid synthesis
2. plant cell wall formation
3. photolysis of water during photosynthesis
4. chlorophyll synthesis
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