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BIOLOGY ENTRANCE EXAM PRACTICE QUESTIONS AND ANSWERS UPDATED (2025/2026), Exams of Biology

Massachusetts Institute of Technology (MIT)Biology

Most oxygen in the blood is transported a) inside the red blood cells bound to haemoglobin molecules b) transported in the plasma bound to haemoglobin molecules c) inside the red blood cells bound to cytoskeletal proteins d) transported in the plasma as bicarbonate ions e) none of the answers is correct - ANS ✓A What cannot be detected in the final urine in healthy man? a) water b) sodium c) glucose d) urea e) none of the answers is correct - ANS ✓C Which of the following is true? a) the duct that transports the sperm into the urethra is ureter b) sperm are produced in the germinal epithelium of the seminiferous tubules of the epididymis c) the formation of sperm is known as spermatogenesis d) the inability to achieve an erection in known as ejaculation e) none of the answers is correct - ANS ✓C What is NOT a typical secondary sex characteristics in female

Typology: Exams

2024/2025

Available from 07/11/2025

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Entrance
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Entrance exam
BIOLOGY ENTRANCE EXAM PRACTICE
QUESTIONS AND ANSWERS UPDATED
(2025/2026) (VERIFIED ANSWERS)
Most oxygen in the blood is transported
a) inside the red blood cells bound to haemoglobin molecules
b) transported in the plasma bound to haemoglobin molecules
c) inside the red blood cells bound to cytoskeletal proteins
d) transported in the plasma as bicarbonate ions e) none of the answers is
correct - ANS ✓A
What cannot be detected in the final urine in healthy man?
a) water b) sodium c) glucose d) urea e) none of the answers is correct -
ANS ✓C
Which of the following is true?
a) the duct that transports the sperm into the urethra is ureter
b) sperm are produced in the germinal epithelium of the seminiferous
tubules of the epididymis
c) the formation of sperm is known as spermatogenesis
d) the inability to achieve an erection in known as ejaculation
e) none of the answers is correct - ANS ✓C
What is NOT a typical secondary sex characteristics in female
a) growth of facial hair b) growth of pubic hair c) enlargement of breasts
d) subcutaneous fat deposits, mainly around the buttocks, thighs, and hips
e) none of the answers is correct - ANS ✓A
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Download BIOLOGY ENTRANCE EXAM PRACTICE QUESTIONS AND ANSWERS UPDATED (2025/2026) and more Exams Biology in PDF only on Docsity!

BIOLOGY ENTRANCE EXAM PRACTICE

QUESTIONS AND ANSWERS UPDATED

(202 5 /202 6 ) (VERIFIED ANSWERS)

Most oxygen in the blood is transported a) inside the red blood cells bound to haemoglobin molecules b) transported in the plasma bound to haemoglobin molecules c) inside the red blood cells bound to cytoskeletal proteins d) transported in the plasma as bicarbonate ions e) none of the answers is correct - ANS ✓A What cannot be detected in the final urine in healthy man? a) water b) sodium c) glucose d) urea e) none of the answers is correct - ANS ✓C Which of the following is true? a) the duct that transports the sperm into the urethra is ureter b) sperm are produced in the germinal epithelium of the seminiferous tubules of the epididymis c) the formation of sperm is known as spermatogenesis d) the inability to achieve an erection in known as ejaculation e) none of the answers is correct - ANS ✓C What is NOT a typical secondary sex characteristics in female a) growth of facial hair b) growth of pubic hair c) enlargement of breasts d) subcutaneous fat deposits, mainly around the buttocks, thighs, and hips e) none of the answers is correct - ANS ✓A

The visual perception is mediated by a) chemoreceptors b) photoreceptors c) thermoreceptors d) mechanoreceptors e) none of the answers is correct - ANS ✓B

  1. Which of the following structures are parts of the central nervous system?
  1. motor nerves; 2) medulla oblongata; 3) cerebellum; 4) cerebral hemispheres, a) 1 and 4 are correct b) 1 and 2 and 4 are correct c) 2 and 3 and 4 are correct d) 1 and 2 and 3 and 4 are correct e) none of the answers is correct - ANS ✓C . The sympathetic nervous system a) increase heart rate b) is voluntary c) is activated mainly in sleep d) activate digestion e) none of the answers is correct - ANS ✓A . Which scientists work contributed to our understanding of the causes of infectious diseases? a) Alexander Fleming b) James Watson c) Louis Pasteur d) Robert Koch e) none of the answers is correct - ANS ✓c . Thirty eight percent (38%) of the nucleotide bases in E. coli DNA are cytosine (C). What is the percentage of adenine (A) bases in human DNA? a) 12% b) 24% c) 38% d) 76% e) none of the answers is correct - ANS ✓A In the following three columns, cell constituents, biochemical components and biochemical functions are listed. Which of the triads has a meaning?

a) primary structure b) secondary structure c) tertiary structure d) quaternary structure e) none of the answers is correct - ANS ✓b

  1. What will enable you to distinguish between a prokaryotic and a eukaryotic cell? a) presence or absence of the cytoplasmic organelles (endoplasmatic reticulum, Golgi apparatus, etc) b) presence or absence of a rigid cell wall c) presence or absence of ribosomes d) presence or absence of the plasma membrane e) none of the answers is correct - ANS ✓a
  2. The movement of molecules and ions through the plasma membrane from areas of high concentration to low concentration is known as: a) osmosis b) diffusion c) passive transport d) pinocytosis e) none of the answers is correct - ANS ✓b
  3. Plant cells act as osmometers: a) in a hypotonic medium the vacuole shrinks b) in a hypertonic medium the cell shrinks c) in a hypotonic medium the cell expands d) in a hypertonic medium the vacuole shrinks e) none of the answers is correct - ANS ✓C
  4. Main function of the endoplasmic reticulum is: a) sugar fermentation b) synthesis of secretory proteins c) glycogen synthesis d) detoxification of metabolites e) none of the answers is correct - ANS ✓b
  1. The following is found in mammals during female gamete formation EXCEPT: a) temporary arrest of meiosis at the metaphase I stage b) accumulation of yolk during gamete formation c) formation of four functional gametes from a primary germ cell d) generation of a polar body during meiosis I e) none of the answers is correct - ANS ✓c . To produce two genetically identical daughter cells, the DNA in each chromosome must be replicated, and the replicated chromosomes must be accurately distributed into the two daughter cells. The DNA is replicated in ------ and the replicated chromosomes segregate in ------. a) S and anaphase of M phase b) S phase and metaphase of M phase c) G and S phase d) G1 and G2 phase e) none of the answers is correct - ANS ✓a Human embryonic stem cells are isolated from: a) inner cell mass of a blastocyst b) umbilical cord blood of newborns c) bone marrow d) placenta e) none of the answers is correct - ANS ✓a
  2. The alleles of a given gene a) always occur in two copies b) occupy the same loci on homologous chromosomes c) carry information for different proteins with the same function d) are localized on different loci of the same chromosome e) none of the answers is correct - ANS ✓A
  3. In a monohybrid cross between individuals with a genotype AA and Aa:

DNA triplet? a) CAT b) CUT c) CAU d) GUA e) none of the answers is correct - ANS ✓D

  1. When crossing individuals with genotypes AaBb x AaBb, the ratio of phenotypes (A,B dominant alleles, a,b, recessive alleles) will be as follows: a) 9:3:3: b) 3: c) 1:2:2: d) 1:1:1: e) none of the answers is correct - ANS ✓B
  2. Which of the following processes occurs in the telophase of mitotic division? a) condensation of chromosomes b) restoration of the nuclear envelope c) formation of the spindle d) movement of chromosomes to the cell poles e) none of the answers is correct - ANS ✓b
  3. Human genome project (1990-2003) revealed that the human genome comprises probably following number of genes: a) 13.700 b) 20,500 c) 33.500 d 50.000 - 100. e) none of the answers is correct - ANS ✓B
  4. One of Mendel's key discoveries was that

a) organisms have two hereditary factors for all traits b) blending was a common occurrence in sexually reproducing organisms c) gametes contained two heredity factors for each trait d) DNA is a repository of genetic information e) none of the answers is correct - ANS ✓c

  1. The cell theory was postulated by: a) Robert Koch b) Mathias J. Schleiden and Theodor Schwann c) Johan Gregor Mendel d) Antonie van Leeuvenhoek e) none of the answers is correct - ANS ✓B
  2. Plants are part of a group known as a a) genus b) species c) family d) kingdom e) none of the answers is correct - ANS ✓D
  3. All animal organisms inhabiting a particular region constitute: a) biocoenosis b) phytocoenosis c) zoocoenosis d) ecosystem e) none of the answers is correct - ANS ✓a
  4. Which of the following was regarded by Ch. Darwin as the major factor of evolution? a) natural selection b) mutations c) struggle for life d) migration e) none of the answers is correct - ANS ✓A
  5. Haemostasis is: a) the formation of blood cellular components b) the tendency of a system to maintain its internal stability
  1. In the following three columns, hormone, endocrine organ and its functions are listed. Which of the triads has a meaning? a) thyroxine parathyroid gland brain maturation b) testosterone testes growth of muscle mass c) insulin pancreas bone mineralization d) growth hormone hypothalamus protein synthesis e) none of the triads is meaningful - ANS ✓B
  2. Which of the following is true? a) During inspiration, the rib cage compresses b) gas exchange in the lungs occurs in the bronchi c) The air that moves in and out of the lungs with each breath is called the residual volume d) Inhalation is an active process e) none of the answers is correct - ANS ✓D