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Post-UTME Biology 2007 Objective Past Questions

All 40 questions from the Post-UTME Screening (Post-UTME) Biology 2007 Objective paper, with the correct answer and a full explanation for each. Free, no signup needed.

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Biology 2007 Objective — Question 1

Hydra is able to perform all the following except

  • A. feeding
  • B. photosynthesisCorrect
  • C. moving
  • D. egestion

Explanation

Hydra is an animal and does not photosynthesize (unlike its symbiotic algae in some species).

Biology 2007 Objective — Question 2

Spherical bacterial cells in long chains are called

  • A. staphylococci
  • B. streptococciCorrect
  • C. cocci
  • D. bacilli

Explanation

Streptococci are spherical bacteria arranged in chains (strepto- = chain).

Biology 2007 Objective — Question 3

One of the factors that must be considered for safe blood transfusion is

  • A. social class of the donor
  • B. rhesus factors of the donor and the recipientCorrect
  • C. age of the recipient
  • D. nationality of the donor

Explanation

Blood group and rhesus (Rh) factor compatibility between donor and recipient are essential for safe transfusion.

Biology 2007 Objective — Question 4

The theory of use and disuse of organs was propounded by

  • A. Charles Darwin
  • B. Jean LamarckCorrect
  • C. Louis Pasteur
  • D. Robert Hooke

Explanation

Lamarck's theory of evolution included the principle of use and disuse of organs.

Biology 2007 Objective — Question 5

Which of these is not a function of the kidney?

  • A. production of urine
  • B. production of bileCorrect
  • C. osmo-regulation
  • D. removal of urea

Explanation

Bile is produced by the liver, not the kidney.

Biology 2007 Objective — Question 6

Auxins are produced in the

  • A. petiole of leaves
  • B. epidermis of roots and shoots
  • C. parenchyma of roots and shoots
  • D. apical regions of roots and shootsCorrect

Explanation

Auxins are synthesized mainly in the apical (growing tip) regions/meristems of roots and shoots.

Biology 2007 Objective — Question 7

Which of the following mammalian features acts as a shock absorber to the developing embryo?

  • A. umbilical cord
  • B. amniotic fluidCorrect
  • C. placenta
  • D. amnion

Explanation

Amniotic fluid cushions and protects the developing embryo/fetus from mechanical shock.

Biology 2007 Objective — Question 8

The maintenance of a constant internal environment is called

  • A. environmental regulation
  • B. balance in nature
  • C. peristalsis
  • D. homeostasisCorrect

Explanation

Homeostasis is the maintenance of a stable internal environment.

Biology 2007 Objective — Question 9

People in the blood group which receive blood from any other group fall into

  • A. AB blood groupCorrect
  • B. O blood group
  • C. A blood group
  • D. B blood group

Explanation

AB is the universal recipient blood group.

Biology 2007 Objective — Question 10

Which of the following crop diseases is caused by a fungus?

  • A. groundnut rosette
  • B. blackpod disease of cocoaCorrect
  • C. yam mosaic
  • D. cassava blight

Explanation

Blackpod disease of cocoa is caused by the fungus-like oomycete Phytophthora; groundnut rosette and yam mosaic are viral, and cassava blight is bacterial.

Biology 2007 Objective — Question 11

By the 28th week (the end of the 7th ___), the foetus moves vigorously. [Gap 11]

  • A. Day
  • B. Week
  • C. MonthCorrect
  • D. Year

Explanation

28 weeks corresponds to the end of the 7th month of pregnancy.

Biology 2007 Objective — Question 12

The foetus moves around vigorously within the ___ [Gap 12]

  • A. Stomach
  • B. UterusCorrect
  • C. Bladder
  • D. Belly

Explanation

The foetus develops and moves within the uterus (womb).

Biology 2007 Objective — Question 13

Its heartbeat can be heard by the ___ [Gap 13]

  • A. Audience
  • B. Women
  • C. Crowd
  • D. DoctorCorrect

Explanation

A doctor (using a stethoscope) can listen to and detect the foetal heartbeat.

Biology 2007 Objective — Question 14

Its skin is reddish and covered with a ___ coating of a creamy, waxy substance. [Gap 14]

  • A. Defensive
  • B. Kicking
  • C. Plastic
  • D. ProtectiveCorrect

Explanation

The waxy substance (vernix caseosa) coating the foetus's skin serves a protective function.

Biology 2007 Objective — Question 15

It can open up its eyes and the ___ covering the pupils has gone. [Gap 15]

  • A. MembraneCorrect
  • B. Hand
  • C. Glass
  • D. Rubber

Explanation

A membrane that had covered the pupils of the eyes has, by this stage, disappeared, allowing the eyes to open.

Biology 2007 Objective — Question 16

...the membrane covering the pupils of the ___ has gone. [Gap 16]

  • A. EyesCorrect
  • B. Class
  • C. Month
  • D. Uterus

Explanation

This refers back to the pupils of the eyes.

Biology 2007 Objective — Question 17

If it is ___ at this stage, it can breathe but with difficulty. [Gap 17]

  • A. Left
  • B. Sent
  • C. Discharged
  • D. BornCorrect

Explanation

The sentence describes what happens if the foetus is born prematurely at this stage.

Biology 2007 Objective — Question 18

If born at this stage, it can ___ but with difficulty. [Gap 18]

  • A. BreatheCorrect
  • B. See
  • C. Hear
  • D. Eat

Explanation

A foetus born prematurely at this stage can breathe, though only with difficulty, due to underdeveloped lungs.

Biology 2007 Objective — Question 19

It can also cry ___ but wave its limbs energetically. [Gap 19]

  • A. Angrily
  • B. WeaklyCorrect
  • C. Loudly
  • D. Strongly

Explanation

A premature foetus at this stage would have only a weak cry, contrasting with vigorous limb movement.

Biology 2007 Objective — Question 20

It can also cry weakly but ___ its limbs energetically. [Gap 20]

  • A. WalkCorrect
  • B. Wove
  • C. Wraps
  • D. Fold

Explanation

Note: none of the listed options ('Walk', 'Wove', 'Wraps', 'Fold') precisely fit the expected verb (likely 'wave' in the original text, referring to moving its limbs); this appears to be an OCR scanning issue with the source, and none is a confident fit.

Biology 2007 Objective — Question 21

One would have expected the students to take to consultation with the school authorities instead of resorting to ___. (opposite in meaning to 'consultation')

  • A. mediation
  • B. confrontationCorrect
  • C. arbitration
  • D. exultation

Explanation

'Consultation' implies cooperative discussion; the opposite in this context is 'confrontation'.

Biology 2007 Objective — Question 22

It is surprising that one of the identical twins is an alcoholic but the other is a ___. (opposite in meaning to 'alcoholic')

  • A. teetotallerCorrect
  • B. dipsomaniac
  • C. agoraphobic
  • D. saboteur

Explanation

A 'teetotaller' is someone who abstains completely from alcohol - the opposite of an alcoholic.

Biology 2007 Objective — Question 23

While the man is parsimonious, his wife is obviously ___. (opposite in meaning to 'parsimonious')

  • A. ingenious
  • B. curious
  • C. judicious
  • D. extravagantCorrect

Explanation

'Parsimonious' means excessively frugal/stingy; the opposite is 'extravagant'.

Biology 2007 Objective — Question 24

The lackadaisical student failed the test but the one who passed it well was ___. (opposite in meaning to 'lackadaisical')

  • A. enthusiasticCorrect
  • B. listless
  • C. classical
  • D. obtuse

Explanation

'Lackadaisical' means lacking enthusiasm/effort; the opposite is 'enthusiastic'.

Biology 2007 Objective — Question 25

While a sinner will incur the wrath of God, a saint will enjoy the ___ of God. (opposite in meaning to 'wrath')

  • A. anger
  • B. anointing
  • C. favourCorrect
  • D. pleasure

Explanation

'Wrath' means intense anger; the opposite in this religious context is 'favour'.

Biology 2007 Objective — Question 26

The rich man ___ money to his wives and children every Monday.

  • A. disperses
  • B. dispensed
  • C. discusses
  • D. dispensesCorrect

Explanation

'Dispenses' (distributes/gives out) fits the context of regularly giving money.

Biology 2007 Objective — Question 27

If I had known that the man was not a genuine pastor, I would not have ___ too much confidence in him.

  • A. imposed
  • B. reposedCorrect
  • C. inputted
  • D. disposed

Explanation

'Reposed confidence in someone' is the standard idiom meaning to place trust in them.

Biology 2007 Objective — Question 28

The poor woman has ___ herself to fate.

  • A. consigned
  • B. concerned
  • C. resignedCorrect
  • D. reposed

Explanation

'To resign oneself to fate' means to accept it without resistance.

Biology 2007 Objective — Question 29

The clergy ___ everyday for the success of the present government.

  • A. are praying
  • B. is praying
  • C. prayCorrect
  • D. prays

Explanation

'Clergy' is typically treated as a plural collective noun, taking the plural verb 'pray', matching the habitual/everyday sense of the sentence.

Biology 2007 Objective — Question 30

The young girl ___ mind her language.

  • A. has better
  • B. had betterCorrect
  • C. have best
  • D. had best

Explanation

'Had better' is the correct idiomatic modal expression for strong advice/obligation.

Biology 2007 Objective — Question 31

Many a secondary school student ___ afraid of the English language examination nowadays.

  • A. are
  • B. isCorrect
  • C. was
  • D. were

Explanation

'Many a + singular noun' takes a singular verb, hence 'is'.

Biology 2007 Objective — Question 32

The man with his three wives and seventeen children ___ just travelled abroad.

  • A. is
  • B. are
  • C. hasCorrect
  • D. have

Explanation

The grammatical subject is 'The man' (singular), so the singular verb 'has' is correct despite the intervening plural phrase.

Biology 2007 Objective — Question 33

The lecturer does not ___ his real age.

  • A. seem
  • B. lookCorrect
  • C. appear
  • D. resemble

Explanation

'To look one's age' is the standard idiom for appearing as old as one actually is.

Biology 2007 Objective — Question 34

During the recent communal crisis, the palace of the monarch was ___ amulets.

  • A. decorated
  • B. fortifiedCorrect
  • C. embellished
  • D. ensured

Explanation

'Fortified with amulets' fits the protective context of a crisis, implying the amulets were meant to defend/protect the palace.

Biology 2007 Objective — Question 35

I ___ your father to stop going out with politicians, then I changed my mind.

  • A. had toldCorrect
  • B. have told
  • C. was going to tell
  • D. have being telling

Explanation

The past perfect 'had told' fits the narrative sequence, showing an action completed before the later 'changed my mind'.

Biology 2007 Objective — Question 36

Are they expecting celestial blessing? (nearest in meaning to 'celestial')

  • A. terrestrial
  • B. heavenlyCorrect
  • C. religious
  • D. sacrificial

Explanation

'Celestial' means relating to the sky/heavens, i.e. heavenly.

Biology 2007 Objective — Question 37

The indigent boy is my younger brother's friend. (nearest in meaning to 'indigent')

  • A. indolent
  • B. diligent
  • C. efficient
  • D. needyCorrect

Explanation

'Indigent' means very poor/needy.

Biology 2007 Objective — Question 38

Adults seldom visit the new amusement centre. (nearest in meaning to 'seldom')

  • A. frequently
  • B. rarelyCorrect
  • C. usually
  • D. reluctantly

Explanation

'Seldom' means not often, i.e. rarely.

Biology 2007 Objective — Question 39

Really, life is ephemeral. (nearest in meaning to 'ephemeral')

  • A. enjoyable
  • B. difficult
  • C. transientCorrect
  • D. permanent

Explanation

'Ephemeral' means short-lived/transient.

Biology 2007 Objective — Question 40

I want to tell you that Felix has an eclectic mind. (nearest in meaning to 'eclectic')

  • A. shocking
  • B. versatileCorrect
  • C. narrow
  • D. critical

Explanation

An 'eclectic' mind draws from diverse sources/interests, i.e. versatile.

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