SSC SCIENCE JULY 2017 BOARD PAPER SOLUTION PART TWO

SSC SCIENCE JULY 2017 BOARD PAPER SOLUTION

Q. 1. A. Answer the following sub - questions. [5]

1. Fill in the blanks and rewrite the completed statements; [2]

(a) Pulmonary artery takes the blood to the lungs for oxygenation.

(b) Covalent compounds are generally soluble in organic solvents.

2. State whether the following statements are true or false: [2]

(a) Dominant character masks the recessive character.

Ans. True.

(b) E- waste cannot be recycled.

Ans. False.

3. Name the following:

An Alloy of copper and Zinc.

Ans. Brass.

(B) Rewrite the following statements by selecting the correct options. [5]

(1) For photosynthesis ______________ substance is not essential.

(a) Carbon dioxide.
(b) Chlorophyll
(c) Light
(d) Oxygen

(2) When Hydra becomes matured, _________ takes place in it.

(a) Budding
(b) Regeneration
(c) Fragmentation
(d) Binary Fission

(3) A solution of Al2(SO4)3 in water is _______________

(a) Green
(b) Colourless
(c) Blue
(d) Pink

(4) During respiration, ____________ gas is given out.

(a) Oxygen
(b) Hydrogen
(c) Carbon dioxide
(d) Nitrogen

(5) The formula of ethanoic acid is _____________

(a) HCOOH
(b) C2H5COOH
(c) CH3COOH
(d) None of the above

Q. II. Attempt any five of the following. (10)





(5) Give Scientific reasons:



Q. III. Attempt any five of the following questions: [15]









Q. IV. Attempt any one of the following: [5]