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Biology · PYQ NEET UG 2019(2)
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Biology · PYQ NEET UG 2019(2)
Where is the respiratory electron transport system (ETS) located in plants?
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Which of the following sexually transmitted diseases do not specifically affect reproductive organs?
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Match the following joints with the bones involved: i. Gliding joint - a. Between carpal and metacarpal of thumb ii. Hinge joint - b. Between atlas and axis iii. Pivot joint - c. Between the Carpals iv. Saddle joint - d. Between Humerus and Ulna Select the correct option from the following:
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In a marriage between male with blood group A and female with blood group B, the progeny had either blood group AB or B. What could be the possible genotype of parents?
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Non-membranous nucleoplasmic structures in nucleus are the site for active synthesis of
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Mad cow disease in cattle is caused by organism which has:
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Match the following enzymes with their functions:\nColumn I\ni. Restriction endonuclease\nii. Restriction exonuclease\niii. DNA ligase\niv. Taq polymerase \nColumn II\na. Joins the DNA fragments\nb. Extends primers on genomic DNA template\nc. Cuts DNA at specific position\nd. Removes nucleotides from the ends of DNA \nSelect the correct option from the following:
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Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?
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All the components of the nodal tissue are auto-excitable. Why does the SA node act as the normal pacemaker?
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Which scientist experimentally proved that DNA is the sole genetic material in bacteriophage?
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Which of the following statements is CORRECT?
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Identify i, ii and iii in the diagrammatic representation of the mechanism of hormone action.
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Kwashiorkor disease is due to -
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What type of pollination takes place in Vallisneria?
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Select the CORRECT statement.
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Which of the following cell organelles is present in the highest number in secretory cells?
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Exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as
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Match the placental types (Column-I) with their examples (Column-II).\nColumn-I\nColumn-II\ni. Basal\np. Mustard\nii. Axile\nq. China rose\niii. Parietal\nr. Dianthus\niv. Free central\ns. Sunflower\nChoose the correct answer from the following option:
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Which of the following is NOT a feature of active transport of solutes in plants?
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Match the items given in Column-I with those in Column-II and choose the correct option.\nColumn - I\ni. Rennin\nii. Enterokinase\niii. Oxyntic cells\niv. Fructose\nColumn - II\na. Vitamin \( \text{B}_{12} \)\nb. Facilitated transport\nc. Milk protein\nd. Trypsinogen \nOptions:\n(A) i-c, ii-d, iii-a, iv-b\n(B) i-c, ii-d, iii-b, iv-a\n(C) i-d, ii-c, iii-a, iv-b\n(D) i-d, ii-c, iii-b, iv-a
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Prosthetic groups differ from co-enzymes in that-
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In RNAi, the genes are silenced using:
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