Biology, 2015, WASSCE/WAEC MAY/JUNE, Exam, Paper 1 | Objectives

Paper Info

Year :

2015

Title :

Biology

Exam :

WASSCE/WAEC MAY/JUNE

Paper 1 | Objectives

11 - 20 of 48 Questions

#	Question	Ans
11.	Ability of the human eye to focus images accurately on the retina is called A. astigmatism B. myopia C. adjustment D. accommodation	D
12.	Which of the following processes removes carbon (IV) oxide from the atmosphere? A. Burning fuels B. Putrefaction C. Photosynthesis D. Respiration in plants	C
13.	Which of the following characteristic features is not associated with monocotyledonous plants? A. Well differentiated sepals and petals B. Presence of fibrous root system C. Presence of narrow leaves D. Flora parts are in multiples of three	A
14.	The main difference between a seed and a fruit is that a fruit A. is large while a seed is small B. has two scars while a seed is has one C. is pigmented while a seed is not D. can be dispersed by animals while a seed cannot	B
	A student used the following steps in testing for a non-reducing sugar. I. added Benedict's solution to the sugar solution ll. added dilute hydrochloric acid to the sugar and boiled it; lll. added sodium hydroxide solution to the solution in ll. and boiled; IV. added Benedict's solution to the cooled solution in lll. Use this information above to answer the question.
15.	Why did the student add the dilute hydrochloric acid to the sugar solution in step ll? To A. oxidize the sugar solution B. hydrolyse the sugar solution C. dry the sugar solution D. increase the volume of the sugar solution	B
16.	What is the importance of step ll in the testing process? To A. neutralize the sugar solution B. soften the sugar solution C. change the colour of the sugar solution D. increase the acid content of the sugar solution	A
17.	The colour change to be observed in step IV is A. blue-black B. brick-red C. purple D. violet Show Content Detailed Solution A positive test with Benedict's reagent is shown by a color change from clear blue to a brick-red precipitate.	B
18.	Which of the following organs of the alimentary canal is not correctly matched with its function? A. Gall bladder- stores bile B. Liver - stores glycogen C. Appendix - releases enzymes D. Teeth = grind food	C
19.	A person suffering from obstruction of the bile duct is advised not to eat fats and oil because A. bile digests fats and oil B. fats and oil can only be absorbed whenbile is absent C. bile emulsifies fat and oil D. bile adds water to digesting food	C
20.	A community reaches a climax when A. only pioneer organisms are present B. new habitats are constantly being formed C. there is an introduction of new plants and animal species within the community D. the composition and size of a community remains constant over a long period	D

11.	Ability of the human eye to focus images accurately on the retina is called A. astigmatism B. myopia C. adjustment D. accommodation	D
12.	Which of the following processes removes carbon (IV) oxide from the atmosphere? A. Burning fuels B. Putrefaction C. Photosynthesis D. Respiration in plants	C
13.	Which of the following characteristic features is not associated with monocotyledonous plants? A. Well differentiated sepals and petals B. Presence of fibrous root system C. Presence of narrow leaves D. Flora parts are in multiples of three	A
14.	The main difference between a seed and a fruit is that a fruit A. is large while a seed is small B. has two scars while a seed is has one C. is pigmented while a seed is not D. can be dispersed by animals while a seed cannot	B
	A student used the following steps in testing for a non-reducing sugar. I. added Benedict's solution to the sugar solution ll. added dilute hydrochloric acid to the sugar and boiled it; lll. added sodium hydroxide solution to the solution in ll. and boiled; IV. added Benedict's solution to the cooled solution in lll. Use this information above to answer the question.
15.	Why did the student add the dilute hydrochloric acid to the sugar solution in step ll? To A. oxidize the sugar solution B. hydrolyse the sugar solution C. dry the sugar solution D. increase the volume of the sugar solution	B

16.	What is the importance of step ll in the testing process? To A. neutralize the sugar solution B. soften the sugar solution C. change the colour of the sugar solution D. increase the acid content of the sugar solution	A
17.	The colour change to be observed in step IV is A. blue-black B. brick-red C. purple D. violet Show Content Detailed Solution A positive test with Benedict's reagent is shown by a color change from clear blue to a brick-red precipitate.	B
18.	Which of the following organs of the alimentary canal is not correctly matched with its function? A. Gall bladder- stores bile B. Liver - stores glycogen C. Appendix - releases enzymes D. Teeth = grind food	C
19.	A person suffering from obstruction of the bile duct is advised not to eat fats and oil because A. bile digests fats and oil B. fats and oil can only be absorbed whenbile is absent C. bile emulsifies fat and oil D. bile adds water to digesting food	C
20.	A community reaches a climax when A. only pioneer organisms are present B. new habitats are constantly being formed C. there is an introduction of new plants and animal species within the community D. the composition and size of a community remains constant over a long period	D