2022 JUPEB Biology Practical Specimens and all you need to know

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2022 JUPEB Biology specimens: see full list of 2022 JUPEB Biology practical specimens

1. Specimen A = Tomato fruit

2. Specimen B = Mango fruit

3. Specimen C = Groundnut seeds

4. Specimen D = maize fruit

5. Specimen E = Irish potatoe tuber/ Onion bulb/cocoyam corm/ Rhizomes of Ginger

6. Specimen Y = compound light microscope

7. Specimen F = Lizard

8.Specimen G = Beans seeds

9. Specimen Z = Hand Jens

NOTE : All candidates should be reminded to come to the examination venue with laboratory coats. This is mandatory. Ensure the ratio of specimen to candidate is 1:1 as much as possible.

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JUPEB biology specimen Points to Note

1. Specimen A = Tomato fruit

2. Specimen B = Mango fruit

3. Specimen C = Groundnut seeds

4. Specimen D = maize fruit

5. Specimen E = Irish potatoe tuber/ Onion bulb/cocoyam corm/ Rhizomes of Ginger

6. Specimen Y = compound light microscope

7. Specimen F = Lizard

8.Specimen G = Beans seeds

9. Specimen Z = Hand Jens

*

1ai) Identify specimen A, B and C

(i) Specimen A- Tomato Fruit

(ii) Specimen B- Mango Fruit

 (iii)Specimen C- Groundnut seed

 Mode of propagation is by seeds

1aii) State the botanical names of A , B , C

A – Solanum lycopersicum

B – Magifera indica

C – Arachis hypogaea

1aiii) Mode of dispersal for A , B , and C

Specimen A – Animals, Birds and Man

Specimen B – Animals, Birds, and Humans

Specimen C – Wind and Water

Their mode of propagation is by seeds

1bi) Identify the type of placentation for specimen A , B and C

Specimen A – Axile placentation

Specimen B – Basal Placentation

Specimen c – Marginal placentation

1baii) Class of fruit.

 Specimen A – Berry

Specimen B – Drupe

Specimen C – Legume

1biii) Monocotyledons OR Dicotyledons

Specimen A – Dicotyledon

Specimen B – Dicotyledon

Specimen C – Dicotyledon

1ci) hypogeal OR Epigeal Germination

Specimen A – Epigeal Germination

Specimen B – Epigeal Germination

Specimen C – Hypogeal Germination

1cii) What are the Observable features of Specimen A – C .

Specimen A – Tomato fruit

I Specimen A is Red in colour.

 Ii Specimen A is round or oval in shape.

Iii Specimen A has small seeds.

Iv Specimen A is soft and fleshy.

V specimen A has a thin Epicarp.

1ciii) Specimen B – Mango fruit

      I. Specimen B is roughly oral in shape with uneven sides.

    II. Specimen B is brightly coloured.

   III. Specimen B is soft and fleshy.

   IV. Specimen B has a hard, stony seed.

    V. Specimen B has an edible epicarp.

1civ) Specimen C – Groundnut seeds

       I. Specimen C is spherical in shape.

      II. Specimen C is edible and soft.

     III. Specimen C is brown and dull coloured.

1civ) Longitudinal section of specimen A, B and C

2ai) Identify Specimen D and E

        Specimen D – Maize Fruit

        Specimen E1 – Irish potato tuber

        Specimen E2 – Onion bulb

        Specimen E3 – Cocoyam corm

        Specimen E4 – Rhizome of Ginger

  Note: Your centre will choose one specimen out of E1 or E2 or E3 or E4.

 2aii) What is the botanical name of Specimen D and E

          Specimen D – Zea mays

          Specimen E1 – Solanum tuberosum

          Specimen E2 – Allium cepa

          Specimen E3 – Xanthosoma sagittifolium

          Specimen E4 – Zingiber officinale

 2aiii) Mode of dispersal of specimen D and E

           Specimen D – Animal, bird and man

           Specimen E1 – Man

           Specimen E2 – Man

           Specimen E3 – Man

           Specimen E4 – Man

2aiv) Mode of propagation of specimen D and E

          Specimen D – Seed

          Specimen E1 – Vegetative propagation (cloning)

          Specimen E2 – Bulbs or seeds

          Specimen E3 – Corms

          Specimen E4 – Rhizomes

2bi) Mode of placentation for Maize fruit

         Specimen D – Basal placentation

2bii) Class of fruit

         Specimen D – caryopsis

2biii) Monocots and Dicots

          Specimen D – Monocot

          Specimen E1 – Dicot

          Specimen E2 – Monocot

          Specimen E3 – Monocot

          Specimen E4 – Monocot

 

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2ci) Hypogeal or Epigeal germination

        Specimen D – Hypogeal germination

        Specimen E1 –

        Specimen E2 – Epigeal germination

        Specimen E3 –

        Specimen E4 –

3ai) Diagram of compound light microscope

3aii) Advantages of compound light microscope over hand lens.

Compound light microscope    Hand lens
Microscope contains 2 or more lens, hence more magnification Magnification is limited to one lens (single lens).
Has a stage. Stage is improvised
Magnification is 40- 1000× Magnification is 10-14×

3b) I) Identify Specimen F and G

Specimen F – Lizard

Specimen G – Bean seeds

3b) II) Binomial nomenclature and botanical name of specimen F and G.

Specimen F – Agama agama

Specimen G – Phaseolus Vulgaris

3b) III) Mode of dispersal of specimen G

Water, explosive mechanism and man.

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