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Biology Past Questions

Study and practice Biology past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

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Past Questions

50 questions

Question 1 of 20 50 total questions

Question 11

jamb 1987

Growth can best be determined in a population of Spirogyra by measuring the

Atotal length of the filament

Btotal widths of the filaments

Crate of photosynthesis in the population

Ddry weights of the organism

View Explanation & Discuss

Question 12

jamb 1987

The plantain reproduces asexually by

Asuckers

Bbuds

Cfragments

Dspores

View Explanation & Discuss

Question 13

jamb 1987

A samara differs from a cypsela by having

Aan extended pericarp

Ba hard pericarp

Ca pericarp fused with seed coat

Dsome hairy outgrowth on the pericarp

View Explanation & Discuss

Question 14

jamb 1987

A flower showing radial symmetry is said to be

Apentamerous

Bprotandrous

Cprotogynous

Dactinomorphic

View Explanation & Discuss

Question 15

jamb 1987

The pineapple fruit is best described as

Aaggregate, succulent and indehiscent

Baggregate, succulent and dehiscent

Cmultiple, succulent and indehiscent

Dmultiple, succulent and dehiscent

View Explanation & Discuss

Question 16

jamb 1987

Sclerenchyma cells are lignified to

Astrengthen and support the plant

Btransport synthesized food

Cconduct water and salt

Dprotect the plant from injury

View Explanation & Discuss

Question 17

jamb 1987

The function of the loop of Henle is to

Aincrease the flow of urine

Bconcentrate amino acids in the kidney tissue

Cconcentrate sodium chloride in the medulla of the kidney

Dincrease the volume of urine

View Explanation & Discuss

Question 18

jamb 1987

Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of

Ainsufficient glucose

Bexcess carbon dioxide

Cexcess protein

Dinsufficient oxygen

View Explanation & Discuss

Question 19

jamb 1987

The oxidative part of the respiratory process takes place in the

Amitochondria

Bribosomes

Cendoplasmic reticulum

Dgolgi bodies

View Explanation & Discuss

Question 20

jamb 1987

One cubic centimeter of lymph is richer than an equal volume of blood in

Aerythrocytes

Bleucocytes

Camino acid

Dglucose

View Explanation & Discuss

Question 21

jamb 1987

In the standard experiment to show that oxygen is given off during photosynthesis, sodium bicarbonate is used to

Aneutralize the acid in water

Bsupply mineral salt to water plant

Csupply carbondioxide for photosynthesis

Dkill micro-organisms in water

View Explanation & Discuss

Question 22

jamb 1987

Which of the following lists of organs is directly involved in nutrition?

AOesophagus, bronchus, stomach, pancreas and anus

Bspleen, pharynx, duodenum, jejunum and rectum

CTeeth, oesophagus, ileum lungs and large intestine

DSalivary gland, liver, stomach, villi and colon

View Explanation & Discuss

Question 23

jamb 1987

The vitamin which is important in the formation of the retina pigment is

Avitamin A

Bvitamin B

Cvitamin C

Dvitamin D

View Explanation & Discuss

Question 24

jamb 1987

In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to

Aprevent alga growth in culture solution

Ballow root growth

Cprevent breakdown of mineral elements

Dprevent photosynthesis in the root

View Explanation & Discuss

Question 25

jamb 1987

Secondary thickening is initiated in a dicotyledonous stem by the

Axylem parenchyma

Bsecondary phloem

Cendodermis

Dcambium

View Explanation & Discuss

Question 26

jamb 1987

The correct sequence of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside is

Apith, phloem, cambium, xylem, parenchyma, collenchyma and epidermis

Bxylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis

Cpith, xylem, cambium, phloem, collenchyma, parenchyma and epidermis

Dphhloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis

View Explanation & Discuss

Question 27

jamb 1987

In the life history of butterfly, destruction of crops is caused by the

Amaggot

Bnymph

Ccaterpillar

Dpupa

View Explanation & Discuss

Question 28

jamb 1987

Which of the following is not a characteristics of snail?

ABilateral symmetry

BChitinous exoskeleton

CMuscular foot

Dsoft unsegmented body in mantle

View Explanation & Discuss

Question 29

jamb 1987

In tapeworm, the two structure that run throughout the length of the body are the

Anerve cord and excretory duct

Bsperm duct and the nerve cord

Cgenital pore and the excretory duct

Dsperm duct and the genital pore

View Explanation & Discuss

Question 30

jamb 1987

In the reproduction of mosses, water is essential because

Athey live in moist habitats

Bthey cannnot reproduce without water

Cthe male ganetes must swim to fertilize the ovum

Dthey produce spores

View Explanation & Discuss

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