PMT 2009 Multiple Choice Questions (Part 5 of 10)
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- Alzhimer disease in humans is associated with the deficiency of
- Dopamine
- Glutamic acid
- Acetylcholine
- Gamma aminobutyric acid (GABA)
- Answer: d
- Cytoskeleton is made up to
- Calcium carbonate granules
- Callose deposits
- Cellulosic microfibrils
- Proteinaceous filaments
- Answer: d
- Compared to blood our lymph has
- No plasma
- Plasma without proteins
- More WBCs and no RBCs
- More RBCs and less WBCs
- Answer: c
- Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female
- Fertilisation of the ovum
- Maintenance of the hypertrophical endometrial lining
- Maintenance of high concentration of sex-hormones in the blood stream
- Retention of well-developed corpus luteum
- Answer: a
- Given below is a schematic break-up of the pha ses/stages of cell cycle Which one of the following is the correct indication of the stage/phase in the cell cycle
- B-Metaphase
- C-Karyokinesis
- D-Synthetic phase
- A-Cytokinesis
- Answer: c
- The floral formula (2) (5) (5) 5 _ K C A G is that of
- Tulip
- Soybean
- Sunnhemp
- Tobacco
- Answer: d
- The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because ‘O’ in it refers to having
- Other antigens besides A and B on RBCs
- Overdominance of this type of the genes for A and B types
- One antibody only-either anti-A or anti-B on the RBCs
- No antigens A and B on RBCs
- Answer: d
- Which one of the following statements is true regarding digestion and absorption of food in humans
- Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
- Fructose and amino acids are absorded through intestinal mucosa with the help of carrier ions like Na +
- Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries
- About 60% of starch is hydrolysed by salivary amylase in our mouth.
- Answer: b
- Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by
- Absence of secondary xylem
- Absence of secondary phloem
- Presence of cortex
- Position of protoxylem
- Answer: d
- Manganese is required in
- Nucleic acid synthesis
- Plant cell wall formation
- Photolysis of water during photosynthesis
- Chlorophyll synthesis
- Answer: c