science mcq | ssc10+2 | ssc cgl | sbi po | railway | banking | IBPS | UPSC | indian navy | ibps clerk | PSC | UPSSC | ESIC | CRPF | BSF | AIIMS |

251.In most plants the food is transported in form of
A.     fructose
B.     sucrose
C.    starch
D.    glucose

252.How many molecules of carbon dioxide are formed in one Kreb's cycle
A.     2
B.     4
C.    6
D.    1

253.Which enzyme digest carbohydrates
A.     lipase
B.     proteases
C.    amylases
D.    none of these

254.The pancreas produce digestive enzymes and release in the
A.     stomach
B.     esophagus
C.    large intestine
D.    small intestine

255.Detail study of internal organs at level of tissue with the help of microscope is called
A.     histology
B.     anatomy
C.    physiology
D.    embryology

256.The exchange of chromosal segments i.e.crossing over occurs during
A.     first meiotic division
B.     mitotic division
C.    second meiotic division
D.    none of these

257.Many bacteria in our digestive system synthesize vitamins for example vitamin
A.     B1
B.     B2
C.    B12
D.    B6

258.It is very serious disease of brain which is caused by fungi
A.     ring worm
B.     meningitis
C.    hepatitis
D.    none of these

259.They are widespread as protective coatings on fruits and leaves
A.     cholesterol
B.     waxes
C.    chitin
D.    all of these

260.They are present in the underground parts of the plants and stored food
A.     leucoplast
B.     chromoplast
C.    chloroplast
D.    stem
ANSWERS:
251.B
252.C
253.C
254.D
255.A
256.A
257.C
258.B
259.B

No comments:

Post a Comment