Here is the Multiple Choice Questions for 2015 Biology Paper. The Answers are provided at the end of the post.
The function of ribosomes is to
A. provide a site for protein synthesis.
B. package and sort proteins.
C. provide a site for nucleic acid synthesis.
D. package and sort nucleic acids.
Which of the following contains organisms that are classified as fungi?
A. Mushrooms, bread mould, algae
B. Baker’s yeast, bread mould, paramecium
C. Baker’s yeast, mushrooms, plankton
D. Mushrooms, baker’s yeast, bread mould
Which of the following is autotrophic?
B. Carrot C. Eagle
Carbon dioxide (CO2) is necessary for photosynthesis in most terrestrial plants. How exactly is this gas absorbed?
A. Through the stem.
B. By stomatal openings in leaves.
C. Mixed with water and taken up by the roots.
D. CO2 turns into moisture and is absorbed across all parts of the plant.
After the process of digestion most amino acids in the human body are
A. stored in the liver.
B. deaminated by the liver to form urea.
C. used to generate energy in the form of ATP.
D. taken up by adipose tissue and stored as fat.
Initially starch is enzymatically broken down in the ________________ while proteins are acted upon in the
Which two words respectively would best complete the statement above?
A. Oral cavity and stomach
B. Stomach and large intestine
C. Stomach and small intestine
D. Oral cavity and small intestine
A person with AB blood type can only donate his or her blood to people with ____________ blood type.
One of the requirements of a gas exchange surface is to
A. be close to the transport system.
B. be exposed and not protected.
C. be dry so that it can be moistened by air.
D. have a small surface area to volume ratio.
Anaerobic respiration in yeast results in the production of ______________.
Which of these is initially responsible for directional growth of plant shoots?
C. Abscisic acid
Which statement is true of hydrotropism?
A. Hydrotropism is not controlled by hormones.
B. Plant roots growing down by the pull of gravity.
C. A response by plant shoots towards water source.
D. Auxin causes roots to grow towards the water source.
If the ovaries are damaged, which hormone is likely to be affected?
Which of the following methods of birth control does not use any form of gel latex or drug?
B. Cervical cap
C. Coitus interruptus
D. Oral contraceptives
Which of the following statements is NOT true of the reproductive structure, epididymis?
A. Site of testosterone production.
B. Only found in males.
C. Produces sperm and sex hormones.
D. Tightly coiled tubular structure.
A boy in his late teens had a medical complaint regarding unusually strong body odour and a bad case of acne (pimples).
Which of these hormones is likely to be responsible for his discomfort?
B. Luteinizing hormone
C. Follicle stimulating hormone
D. Interstitial cell-stimulating hormone
Most fishes have swim bladders that help them remain suspended in water. By adjusting the amount of gas in its swim bladder, a fish can control the depth in the water column at which it is stable.
Swim bladders are therefore adaptations for
Which of these is NOT a demographic event that determines the number of individuals in a population?
Population density can best be described as the number of
A. individuals per unit area or volume.
B. species per unit area or volume.
C. individuals of a genus per unit area or volume.
D. individuals of a species per unit area or volume.
In a monohybrid cross involving incomplete dominance in snapdragon plants, pure red (RR) is crossed with pure white
(WW). The first generation offspring were all pink in colour.
What is the genotype ratio of the first generation?
A. All pink
B. 100% RW
C. 50% Red and 50% White
D. 25% RR, 50% RW, 25%WW
Which of the following is FALSE of genes and chromosomes?
A. Chromosome number is halved in gametes.
B. Genes are small segments of chromosomes.
C. Genes contain instructions for protein synthesis.
D. DNA replication results in chromosome number being halved.
Asexual reproduction results in all of the following except
A. offspring look the same as each other.
B. offspring look different from parents.
C. genetic variation in the offspring is low.
D. no exchange of genetic material between the parents.
Recombinant DNA is DNA that
A. contains virus.
B. combines with protein.
C. recoils to form a double structure.
D. contains DNA piece from another source.
Which of the following contains all homologous structures that a biology student can use to support his claim for evolution?
A. Tails of monkeys, dogs and lions
B. Pig skull, fish fin, human pelvis
C. Feathers of peacocks, parrots and chickens
D. Forearm bones of humans, birds, porpoises and elephants
All of the following are mechanisms of evolution except
B. genetic drift.
C. random mating.
D. migration into or out of a population.
Charles Darwin’s book titled ‘Origin of Species’ published in 1859, emphasised that __________________ contributed
largely to the process of evolution.
A. gene flow
B. genetic drift
D. natural selection
Make sure to answer the above questions first before you view the answers. Also check out Short Answer Questions for this Exam. Check the Answer Tab above to view the answers. How many questions you got it right? Comment below by stating your answer.
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