1) Larynx is located on: a) lungs b) Bronchus  c) Alveoli d) Bronchioles e) Trachea f) None of these 2) The type of co-ordination through electro chemical signals is: a) Nervous b) Chemical c) Mechanical d) None of these 3) The shortest path of reflex action is consist of: a) 1 neuron b) 2 Neuron c) 3 Neuron d) Many Neurons 4) The sensory hair cells are present in: a) Retina b) Skin c) Nose d) Cochlea 5) The head of Femur attached with: a) Pelvic Girdle b) Pectoral Girdle c) Acetabulum of pelvic girdle d) Scapula 6) The muscle which is responsible to straighten the limb is: a) Ligament  b) Flexor c) Extensor d) Smooth 7) Plant stem that arise from the buds on the base of parent plants are: a) Bulb b) Sucker c) Rhizome d) Runner 8) The type of seed production without fusion of male and female Gametes is: a) Parathenocarpy b) Graphting c) Apomixes d) Scion 9) The outer part of DNA helix made up of sugar, phosphate is called: a) Nucleoprotein b) Phosphoester c) Rungs d) Upright 10) The exact duplication of DNA is called: a) Duplication b) Transcription c) Replication d) Translation

Biology Class X

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