AIIMS PMT AIPMT JIPMER Essential MCQs – Connective Tissue

Transverse Section of Mammalian Bone

1. Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it? (a) Biceps of upper arm – Cardiac muscle fibres (b) Abdominal wall – Striated muscle fibres (c) Iris – Smooth muscle fibres (d) Heart wall – Striated muscle fibres 2. Cartilage is formed … Read more AIIMS PMT AIPMT JIPMER Essential MCQs – Connective Tissue

AIPMT Molecular Biology Higher Order Thinking Skills

1. The DNA fingerprinting analysis of four family members is shown below. 2. Given the diagram of the lac operon showing an operon of inducible enzymes. Identify components and enzymes (A, B, C, D and E). (a) A-P-Galactosidase, B-Permease, C-Transacetylase, D-Repressor protein, E-Inducer (lactose) (b) A-P Galactosidase, B-Permease, C-Transacetylase, D-Inducer (lactose), E-Repressor protein (c) A-p … Read more AIPMT Molecular Biology Higher Order Thinking Skills

Separation and isolation of DNA fragments in Recombinant DNA Technology

Gel electrophoresis • After the cutting of DNA by restriction enzymes, fragments of DNA are formed. These fragments can be separated by a technique called gel electrophoresis. • Electrophoresis is a technique of separation of charged molecules, under the influence of an electrical field, so that they migrate in the direction of electrode bearing the … Read more Separation and isolation of DNA fragments in Recombinant DNA Technology

Role of hormones as messengers and regulators

Hormones as messengers [Hypothalamo-hypophysial (pituitary) Axis] Hypothalamus is a part of the fore brain. Its hypothalamic nuclei — masses of grey matter containing neurons, are located in the white matter in the floor of the third ventricle of the brain. The neurons (neurosecretory cells) of hypothalamic nuclei secrete some hormones called neurohormones (releasing factors) into … Read more Role of hormones as messengers and regulators

Pre Medical Exam PMT Foundation – Cell Cycle and Cell Division

Multiple Choice Questions l. Find the correctly matched pairs and choose the correct option I. Leptone – The chromosomes become invisible. II. Zygotene – Pairing of homologous chromosomes. III. Pachytene – Dissolution of the synaptonemal complex takes place. IV. Diplotene – Bivalent chromosomes appear as tetrads. V. Diakinesis – Terminalisation of chiasmata takes place. (a) … Read more Pre Medical Exam PMT Foundation – Cell Cycle and Cell Division

PMT Foundation – Biomolecules Practice questions

Which is not a protein? (a) a-amylase (b) Nitrogenase (c) Histidine kinase (d) Ribozyme 2. Arachidonic acid gives rise to (a) terpenes (b) prostaglandins (c) gangliosides (d) cerebrosides. 3. Which of the following nucleotide sequences contains 4 pyrimidine bases? (a) GATCAATGC (b) GCUAGACAA (c) UAGCGGUAA (d) Both (b) and (c). 4. Which one of the … Read more PMT Foundation – Biomolecules Practice questions

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