(A) Cytoplasm (X)
(B) Cell membrane (X)
(C) Chloroplasts ()
(D) Vacuole (X)

Answers: Chloroplasts contains the green chemical called chlorophyll.

(A) metamerism (X)
(B) functional group isomerism (X)
(C) geometric isomerism (X)
(D) position isomerism ()

Answers: 2-propanol and 1-propanol show the isomerism position isomerism.

(A) radical (X)
(B) hydrocarbon (X)
(C) functional group ()
(D) ion (X)

Answers: .A single atom or group of atoms which gives characteristic properties to a compound is called functional group.

(A) OH (X)
(B) R-CO-R (X)
(C) R-O-R ()
(D) R-COOH (X)

Answers: Ether functional group can be represented as  R-O-R.

(A) n-pentane (X)
(B) iso-heptane (X)
(C) iso-octane (X)
(D) n-heptane ()

Answers: Which one of the following compounds shows intense knocking  n-heptane.

(A) Al2O3 (X)
(B) Fe2O3 (X)
(C) Al2O3 and SiO2 ()
(D) Fe2O3 and SiO2 (X)

Answers: At low temperature and pressure cracking can be done in presence of catalyst Al2O3 and SiO2.