Question

12. Which of the following molecules represent ci-2. Hexene? A CHE HOCH,CH.CH CH CH,CH.CH -H CH,CH, D. CH3 CH, "CHCH 13) What is the major organic product of the following reaction? CH:CH-CH2 + H20 H 14) The angle between the bonds in CH, is approximately __ a) 104.5° b) 109. 5° C ) 90° d) 120 15) Which of the following organic families is present in the molecule provided below? CH, CH2=CH2-CH a) ether b) alkane c ) alkene d) phenol 16) The reaction below is an example of a _ _ reaction. нон CHÚC=CCH3 + H2O " CHEC-CCH, HH HH d) hydration a) hydrogenation b) hydrolysis c) dehydration HD 17) The missing reactant is (Bonus) Η - CH2 = C-CH2CH2CH3 + H20 CH3 18. Draw the structure of 1,2-dimethylbenzene.

Answer 1

Answer:-(1) correct option is (d)5,3,2,4,6,1

a oraganism contains different organs system in which there are several organs,each organ contain no. Of tissues and each tissues contain millions of cells and each cell contains billions of atoms.

(2)correct option is (b) endocrine gland

both pituitary and thyroid glands are endrocrine glands.They release there secreation directly into blood.

pituitary gland is also called master gland as it secrete many harmones which regulate other endocrine glands.

(3) correct option is (c) structure and function

anatomy defines as study of shape , structure and relation ship of parts of organism.

physiology defines as study of functions and mechanism of living system.

(4)correct option is (b) urinary system

kidney helps in formation of urine

and urinary bladder helps in storage of urine.

(5) correct option is (b) negative feedback

as increase in body temp is opposed by body to decrease temperature.it is an example of negative feedback mechanism.

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