👉 NEET Biology Examination
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Instruction
- Total 18 question
- Total Marks 72
- Each Question 4 marks
- Negative marking -1 for each wrong Question
NEET CONCEPT TEST -13 | BIOLOGY | STD 11 & 12 | NEET SPECIAL
1. Hyperglycemia is characterised by ( i ) polydipsia ( ii ) ketosis ( iii ) low blood glucose level ( iv ) increased blood cholesterol .
( a ) ( i ) and ( iv ) only ( b ) ( i ) and ( ii ) only
( c ) ( i ) , ( ii ) and ( iv ) only ( d ) ( i ) , ( ii ) , ( iii ) and ( iv )
2. Acid rains are produced by
( a ) excess NO and SO2 from burning fossil fuels
( b ) excess production of NH3 by industry and coal gas
( c ) excess release of carbon monoxide by incomplete combustion
( d ) excess formation of CO2 by combustion and animal respiration .
3. The 3rd , 6th and 7th cranial nerves are
( a ) oculomotor , abducens and facial
( b ) oculomotor , trigeminal and accessory
( c ) optic , facial and hypoglossal
( d ) trochlear , abducens and vagus .
4. Which of the following is a mismatched pair ?
( a ) Posterior lobe of pituitary - Vasopressin Secretin
( b ) Intestine Serotonin
( c ) Pineal gland
( d ) Adrenal cortex Estrogen
5. Which of the following are the indicators of air pollution ?
( a ) Lichen ( b ) Fungi ( c ) Algae ( d ) Flowering plants
6. Part of the brain associated with understanding speed and writing words is
( a ) Wernicke's area ( b ) parietal association area
( c ) post central area ( d ) frontal association area .
7. Hormones secreted by kidney are ( i ) erythropoietin ( ii ) duocrinin
( iii ) calcitriol ( iv ) serotonin .
( a ) ( i ) , ( ii ) and ( iv )
( b ) ( i ) and ( ii )
( c ) ( i ) and ( iv ) ( d ) ( i ) and ( ii )
8 . Which of the given statements is incorrect ?
( a ) Earth summit at Rio de Janeiro were signed by 154 nations .
( b ) International Union for Conservation of Nature and Natural Resources ( IUCN ) was established in 1948 in France .
( c ) As per the Kyoto protocol different countries committed to reduce greenhouse gas emissions to a level 5 % below 1990 level by 2008-2012
( d ) Establishment of biosphere reserves was initiated under Man and Biosphere programme of UNICEF .
9. Oxytocin and androgens are respectively
( a ) peptide and steroid hormones
( b ) amino acid derivative and protein hormones
( c ) Steroid and amino acid derivative hormones
( d ) protein and steroid hormones .
10 . Which of the following is a component of rod cells ?
( a ) Scotopsin ( b ) lodopsin ( c ) Cyanopsin ( d ) Porpyrosin
11. Major aerosol pollutant in jet plane emission is
( a ) sulphur dioxide ( b ) carbon monoxide ( c ) methane ( d ) fluorocarbon
12 . Which among the following organisms will have higher DDT concentration in aquatic food chain ?
( a ) Phytoplankton ( b ) Predator fish ( c ) Zooplankton ( d ) Sea gulls
13. Which of the following glands is not associated with the human eye ?
( a ) Glands Moll ( b ) Meibomian glands
( c ) Glands of Zeis ( d ) Ceruminous glands
14 . The bundle of axons within the A are called tracts , while those present in the B_ are called nerves .
( a ) A - PNS B - CNS ( b ) A - ANS B - CNS
( c ) A - CNS B - PNS ( d ) A - VNS B - PNS
15 . Oxidation of fatty acids in the liver leads to
( a ) ketogenesis ( b ) gluconeogenesis ( c ) transamination ( d ) glycolysis .
16 . Demineralisation of bones leading to osteoporosis is due to
( a ) hypoparathyroidism ( b ) hypothyroidism
( c ) hyperparathyroidism ( d ) hyperthyroidism .
17. The junction between the axon of one neuron and the dendrite of the next is called
( a ) synapse ( b ) vermis ( c ) neurite ( d ) cyton .
18. Metabolic pathways involved in the synthesis of larger and complex compounds from smaller precursors are called
( a ) anabolic pathways ( b ) amphibolic pathways
( c ) catabolic pathways ( d ) exothermic pathways .
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ANSWER KEY
1. ( c ) 2. ( a ) 3 . ( a ) 4 . ( d ) 5. ( a ) 6 . ( a ) 7. ( d ) 8. ( d ) 9 . ( a )
10. ( a ) 11. ( d ) 12. ( d ) 13. ( d ) 14. ( c ) 15. ( a ) 16. ( c ) 17. ( a )
18. ( a )
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