waec 2011 biology past questions and answers | Campusflava https://campusflava.com Tutors, Past Questions and Projects. Tue, 03 Aug 2021 07:44:52 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.3 https://i0.wp.com/campusflava.com/wp-content/uploads/2023/01/cropped-CF.png?fit=32%2C32&ssl=1 waec 2011 biology past questions and answers | Campusflava https://campusflava.com 32 32 123014824 Acquired characters are https://campusflava.com/blog/acquired-characters-are/ https://campusflava.com/blog/acquired-characters-are/#respond Mon, 02 Aug 2021 13:54:58 +0000 https://campusflava.com/blog/acquired-characters-are/ Acquired characters are A received from parents B passed to offspring C caused by the environment D caused by mutation Answer is C For your assignment help or homework help, tips, online lessons, expos on how to pass your exams excellently well in any of your subjects? Click Here To Get Started. We have the […]

The post Acquired characters are first appeared on Campusflava.]]> Acquired characters are

A received from parents

B passed to offspring

C caused by the environment

D caused by mutation

Answer is C

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The post Acquired characters are first appeared on Campusflava.]]> https://campusflava.com/blog/acquired-characters-are/feed/ 0 59861 Which of the following statements is not true about continuous variation? It https://campusflava.com/blog/which-of-the-following-statements-is-not-true-about-continuous-variation-it/ https://campusflava.com/blog/which-of-the-following-statements-is-not-true-about-continuous-variation-it/#respond Mon, 02 Aug 2021 13:54:34 +0000 https://campusflava.com/blog/which-of-the-following-statements-is-not-true-about-continuous-variation-it/ Which of the following statements is not true about continuous variation? It A is usually controlled by several genes B can be influenced by environmental factors C follows a normal distribution curve D is usually controlled by one or two pair(s) of genes Answer is D For your assignment help or homework help, tips, online […]

The post Which of the following statements is not true about continuous variation? It first appeared on Campusflava.]]> Which of the following statements is not true about continuous variation? It

A is usually controlled by several genes

B can be influenced by environmental factors

C follows a normal distribution curve

D is usually controlled by one or two pair(s) of genes

Answer is D

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The post Which of the following statements is not true about continuous variation? It first appeared on Campusflava.]]> https://campusflava.com/blog/which-of-the-following-statements-is-not-true-about-continuous-variation-it/feed/ 0 59860 Which of the following activities promotes forest conservation? https://campusflava.com/blog/which-of-the-following-activities-promotes-forest-conservation/ https://campusflava.com/blog/which-of-the-following-activities-promotes-forest-conservation/#respond Mon, 02 Aug 2021 13:54:08 +0000 https://campusflava.com/blog/which-of-the-following-activities-promotes-forest-conservation/ Which of the following activities promotes forest conservation? A Lumbering B Use of firewood for cooking C Afforestation D Production of paper Answer is C For your assignment help or homework help, tips, online lessons, expos on how to pass your exams excellently well in any of your subjects? Click Here To Get Started. We […]

The post Which of the following activities promotes forest conservation? first appeared on Campusflava.]]> Which of the following activities promotes forest conservation?

A Lumbering

B Use of firewood for cooking

C Afforestation

D Production of paper

Answer is C

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The post Which of the following activities promotes forest conservation? first appeared on Campusflava.]]> https://campusflava.com/blog/which-of-the-following-activities-promotes-forest-conservation/feed/ 0 59859 Which of the following practices improves crop yield in a clayey soil? Addition of https://campusflava.com/blog/which-of-the-following-practices-improves-crop-yield-in-a-clayey-soil-addition-of/ https://campusflava.com/blog/which-of-the-following-practices-improves-crop-yield-in-a-clayey-soil-addition-of/#respond Mon, 02 Aug 2021 13:53:48 +0000 https://campusflava.com/blog/which-of-the-following-practices-improves-crop-yield-in-a-clayey-soil-addition-of/ Which of the following practices improves crop yield in a clayey soil? Addition of A more water and humus B lime and humus C fertilizers D weedicides and fertilizers Answer is B For your assignment help or homework help, tips, online lessons, expos on how to pass your exams excellently well in any of your […]

The post Which of the following practices improves crop yield in a clayey soil? Addition of first appeared on Campusflava.]]> Which of the following practices improves crop yield in a clayey soil? Addition of

A more water and humus

B lime and humus

C fertilizers

D weedicides and fertilizers

Answer is B

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The post Which of the following practices improves crop yield in a clayey soil? Addition of first appeared on Campusflava.]]> https://campusflava.com/blog/which-of-the-following-practices-improves-crop-yield-in-a-clayey-soil-addition-of/feed/ 0 59858 Leguminous crops are incorporated into crop rotation in order to https://campusflava.com/blog/leguminous-crops-are-incorporated-into-crop-rotation-in-order-to/ https://campusflava.com/blog/leguminous-crops-are-incorporated-into-crop-rotation-in-order-to/#respond Mon, 02 Aug 2021 13:53:29 +0000 https://campusflava.com/blog/leguminous-crops-are-incorporated-into-crop-rotation-in-order-to/ Leguminous crops are incorporated into crop rotation in order to A improve aeration of the soil. B promote nitrogen fixation C increase the rate of soil formation D improve upon the water holding capacity of the soil Answer is B For your assignment help or homework help, tips, online lessons, expos on how to pass […]

The post Leguminous crops are incorporated into crop rotation in order to first appeared on Campusflava.]]> Leguminous crops are incorporated into crop rotation in order to

A improve aeration of the soil.

B promote nitrogen fixation

C increase the rate of soil formation

D improve upon the water holding capacity of the soil

Answer is B

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The post Leguminous crops are incorporated into crop rotation in order to first appeared on Campusflava.]]> https://campusflava.com/blog/leguminous-crops-are-incorporated-into-crop-rotation-in-order-to/feed/ 0 59857 Vaccination results in https://campusflava.com/blog/vaccination-results-in/ https://campusflava.com/blog/vaccination-results-in/#respond Mon, 02 Aug 2021 13:53:08 +0000 https://campusflava.com/blog/vaccination-results-in/ Vaccination results in A aiding red blood cells to carry more oxygen B production of antibodies which destroy toxins of germs C arresting excessive bleeding D production of white blood cells which engulf and digest bacteria. Answer is B For your assignment help or homework help, tips, online lessons, expos on how to pass your […]

The post Vaccination results in first appeared on Campusflava.]]> Vaccination results in

A aiding red blood cells to carry more oxygen

B production of antibodies which destroy toxins of germs

C arresting excessive bleeding

D production of white blood cells which engulf and digest bacteria.

Answer is B

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The post Vaccination results in first appeared on Campusflava.]]> https://campusflava.com/blog/vaccination-results-in/feed/ 0 59856 Which of the following methods does not make water fit for drinking? https://campusflava.com/blog/which-of-the-following-methods-does-not-make-water-fit-for-drinking/ https://campusflava.com/blog/which-of-the-following-methods-does-not-make-water-fit-for-drinking/#respond Mon, 02 Aug 2021 13:52:49 +0000 https://campusflava.com/blog/which-of-the-following-methods-does-not-make-water-fit-for-drinking/ Which of the following methods does not make water fit for drinking? A Addition of chlorine B Boiling C Distillation D Addition of alum Answer is C For your assignment help or homework help, tips, online lessons, expos on how to pass your exams excellently well in any of your subjects? Click Here To Get […]

The post Which of the following methods does not make water fit for drinking? first appeared on Campusflava.]]> Which of the following methods does not make water fit for drinking?

A Addition of chlorine

B Boiling

C Distillation

D Addition of alum

Answer is C

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The post Which of the following methods does not make water fit for drinking? first appeared on Campusflava.]]> https://campusflava.com/blog/which-of-the-following-methods-does-not-make-water-fit-for-drinking/feed/ 0 59855 Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will https://campusflava.com/blog/assuming-that-a-period-of-stable-population-size-is-followed-by-a-period-when-natality-increases-by-ten-1o-per-cent-and-immigration-increases-by-twenty-20-percent-of-population-size-the-populatio/ https://campusflava.com/blog/assuming-that-a-period-of-stable-population-size-is-followed-by-a-period-when-natality-increases-by-ten-1o-per-cent-and-immigration-increases-by-twenty-20-percent-of-population-size-the-populatio/#respond Mon, 02 Aug 2021 13:52:26 +0000 https://campusflava.com/blog/assuming-that-a-period-of-stable-population-size-is-followed-by-a-period-when-natality-increases-by-ten-1o-per-cent-and-immigration-increases-by-twenty-20-percent-of-population-size-the-populatio/ Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will A be at equilibrium B increase by forty (40) per cent C begin to increase D begin to decrease Answer […]

The post Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will first appeared on Campusflava.]]> Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will

A be at equilibrium

B increase by forty (40) per cent

C begin to increase

D begin to decrease

Answer is C

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The post Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will first appeared on Campusflava.]]> https://campusflava.com/blog/assuming-that-a-period-of-stable-population-size-is-followed-by-a-period-when-natality-increases-by-ten-1o-per-cent-and-immigration-increases-by-twenty-20-percent-of-population-size-the-populatio/feed/ 0 59854 A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of https://campusflava.com/blog/a-sample-of-wet-garden-soil-of-known-weigh-was-heated-to-constant-weight-the-loss-of-weight-is-due-to-loss-of/ https://campusflava.com/blog/a-sample-of-wet-garden-soil-of-known-weigh-was-heated-to-constant-weight-the-loss-of-weight-is-due-to-loss-of/#respond Mon, 02 Aug 2021 13:52:00 +0000 https://campusflava.com/blog/a-sample-of-wet-garden-soil-of-known-weigh-was-heated-to-constant-weight-the-loss-of-weight-is-due-to-loss-of/ A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of A water B organic matter C water and organic matter D water and inorganic matter Answer is C For your assignment help or homework help, tips, online lessons, expos on how to […]

The post A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of first appeared on Campusflava.]]> A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of

A water

B organic matter

C water and organic matter

D water and inorganic matter

Answer is C

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The post A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of first appeared on Campusflava.]]> https://campusflava.com/blog/a-sample-of-wet-garden-soil-of-known-weigh-was-heated-to-constant-weight-the-loss-of-weight-is-due-to-loss-of/feed/ 0 59853 The falling off of leaves of deciduous trees is helpful to the plant because it https://campusflava.com/blog/the-falling-off-of-leaves-of-deciduous-trees-is-helpful-to-the-plant-because-it/ https://campusflava.com/blog/the-falling-off-of-leaves-of-deciduous-trees-is-helpful-to-the-plant-because-it/#respond Mon, 02 Aug 2021 13:51:45 +0000 https://campusflava.com/blog/the-falling-off-of-leaves-of-deciduous-trees-is-helpful-to-the-plant-because-it/ The falling off of leaves of deciduous trees is helpful to the plant because it A reduces the rate of transpiration B enables the plant to conveniently eliminate its excretory products C enables the plant to bear more fruits D ensures that the limited mineral salts get to only growing regions Answer is A For […]

The post The falling off of leaves of deciduous trees is helpful to the plant because it first appeared on Campusflava.]]> The falling off of leaves of deciduous trees is helpful to the plant because it

A reduces the rate of transpiration

B enables the plant to conveniently eliminate its excretory products

C enables the plant to bear more fruits

D ensures that the limited mineral salts get to only growing regions

Answer is A

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The post The falling off of leaves of deciduous trees is helpful to the plant because it first appeared on Campusflava.]]> https://campusflava.com/blog/the-falling-off-of-leaves-of-deciduous-trees-is-helpful-to-the-plant-because-it/feed/ 0 59852