All 10 questions from the Post-UTME Screening (Post-UTME) Biology 2014 Objective paper, with the correct answer and a full explanation for each. Free, no signup needed.
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Hydra removes undigested food by
Hydra, having no anus, egests undigested food material back out through its single body opening (mouth/body surface).
Which of the following features adapts birds to flight? Possession of
Birds have light, often hollow bones that reduce body weight, aiding flight.
Physiological adaptation to dry conditions in animals is called
Aestivation is a dormant state some animals enter to survive hot, dry conditions.
The organelle involved in tissue respiration is the
Mitochondria are the sites of aerobic (tissue) respiration, producing ATP.
The blood vessel which carries blood from the alimentary canal to the liver is the
The hepatic portal vein carries nutrient-rich blood from the gut directly to the liver.
Soil with the finest particles is called
Clay particles are the smallest/finest of the common soil particle types.
Interveinal chlorosis is normally associated with the deficiency of
Magnesium is a central atom of chlorophyll; its deficiency causes interveinal chlorosis (yellowing between leaf veins).
In amoeba, osmoregulation is carried out by the
The contractile vacuole expels excess water from the amoeba's cytoplasm, regulating osmotic balance.
In animals, meiosis comes
Meiosis produces haploid gametes before fertilization occurs.
Which of the following is transmitted through a mosquito bite?
Filariasis is transmitted by mosquitoes carrying filarial worm larvae.
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