2024 B.E.C.E INTEGRATED SCIENCE (Essay & Objective) Questions & Answers {SierraLeone}

THURSDAY 1st AUGUST, 2024

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2024 INTEGRATED SCIENCE OBJECTIVES

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2024 BECE INTEGRATED SCIENCE ESSAY QUESTIONS AND ANSWERS

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QUESTION 7

Q7(a) Epigeal germination

 *Q7(b)* A: Cotyledon, 

B: Hypocotyl

C: Radicle

 D: Epicotyl

Q7(c) A: Provides nutrients,

 D: Supports developing leaves and stem

_QUESTION 4_

(a). Four methods of purifying water:

1. Boiling

2. Filtration

3. Distillation

4. Chlorination

(b). Four functions of mammalian blood:

1. Transport of oxygen and nutrients to cells. 

2. Removal of carbon dioxide and metabolic wastes. 

3. Regulation of body temperature. 

4. Immune defense against pathogens. 

(c). Four types of forces:

1. Gravitational Force

2. Electromagnetic Force

3. Strong Nuclear Force

4. Weak Nuclear Force

_QUESTION 3_

(a) The first four planets in the solar system:

1. Mercury

2. Venus

3. Earth

4. Mars

(b) Four methods of preventing rusting of iron:

1. Galvanization

2. Painting

3. Applying oil or grease

4. Use of stainless steel or alloys

(c) Four forms of energy:

1. Kinetic

2. Potential

3. Thermal

4. Electrical

_QUESTION 2_

(a). Four agents of pollination:

1. Wind

2. Insects

3. Birds

4. Bats

(b). Four uses of oxygen:

1. Cellular respiration

2. Combustion processes

3. Oxidation reactions in industry

4. Medical uses for breathing support

(c). From :

           F = m × g, 

       where 

             m = 56kg 

              g = 10 m/m²

Force applied (F) = 56 × 10

                                    = 560 N 

          SOLVED BY MR MULLA SOLUTION TEAM

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