Republic of the PhilippinesDepartment of Education

Caraga Administrative RegionDivision of Butuan City

TALIGAMAN NATIONAL HIGH SCHOOLTaligaman, Butuan City

FOURTH PERIODIC EXAMINATION IN BIOTECHNOLOGY

Name: _____________________ Section: ____________________ Date: ______________________

MULTIPLE CHOICE: Choose the best answer to each question and write the appropriate letter before the number.

1. The following are the applications of Biotechnology, EXCEPT

a. production of seedless grapesb. raising goats with silk in its milkc. using a species bacteria to clean up oil spilld. none of the above

2. The type of Biotechnology which deals with the utilization of microorganisms for bioremediation

a. Green Biotechnologyb. Blue Biotechnologyc. Red Biotechnologyd. Gray Biotechnology

3. Some bacteria are used to manufacture growth hormone for human, what type of Biotechnology is being illustrated here?

a. Green Biotechnologyb. Blue Biotechnologyc. Red Biotechnologyd. Gray Biotechnology

4. What is a gene?a. A pleasing personal characteristic which surely couldn't

have come from your parents.b. A length of DNA, contained in the nucleus of cells,

which receives and issues chemical instructions regulating bodily functions

c. An unpleasant personal characteristic which can be blamed on your parents

d. One leg of a pair of denim trousers5. Genes, accordingly, tell a large portion of a person’s

_______________.a. presentb. pastc. futured. all of the above

6. What are the basic compositions of a nucleotide?a. sugar, phosphate and phospholipidb. glucose, phosphate group and nitrogenous basec. sugar, phosphate and nitrogenous based. glucose, phosphate and phospholipid

7. Which explains why deoxyribonucleic acid (DNA) is often referred to as the code of life?

a. It has ladder-like structure.b. Its molecules are packed in separate chromosomes.c. Its structure is made up of two-strand molecules that

form a double helix.d. It contains the information needed to form and control

the physical and chemical processes of an organism.8. If the DNA strand CTG ATG is replicated to produce

protein X needed to develop a certain trait, which would be its new strand?

a. ATG ATCb. ATA TAUc. GAG TACd. GUG TAC

9. If the DNA strand CTC ATG is transcribed into mRNA, which would be the new strand?

a. GAG UACb. ATG ATCc. GAG TACd.

GUG TAC10. If the triplet codes for a certain protein is AUG CCU UGA,

what amino acids comprise the synthesized protein molecules?

a. methionine, proline, alanine, selenocyticineb. isoleucine, leucine, valine, phenelalaninec. tyrosine, serine, arginine, glycined. valine, proline, threonine, cysteine

11. Skin cells obtained from under the nails of a crime victim and from the primary suspect were disrupted and subjected to the use of restriction enzymes. The pattern of the bands of the DNA fingerprint produced on the gel after electrophoresis would show _______________.

a. the suspect’s genotypeb. the sequence of DNA fragmentsc. the order of genes along the chromosomesd. the order of nitrogenous bases in a particular gene

12. Cloning is used for the following purposes, EXCEPTa. replacement of dead humansb. production of organs for transplantc. mass-production of plants and animals with desirable

traitsd. increasing the population of endangered species

13. Cloning involves the _________.a. fertilization of egg cell with sperm cell in a special

condition such as laboratory.b. transfer of somatic nucleus into the egg cell with

removed nucleus.c. regeneration of a certain body part of an organismd. insertion of a foreign DNA into another cell.

14. First cloned organism is a _____________.a. bullb. ratc. sheepd. cattle

15. These are the reasons that would limit a person from a clone, EXCEPT

a. It is very much costlyb. Opposition of the Churchc. Less success rated. all of the above

16. Cloning is what type of reproduction?a. sexual reproductionb. asexual reproductionc. either a or bd. a and b

17. In the movie “The Island,” what type of cloning is being illustrated?

a. Culture of an organ for transplantation.b. Produce an embryo genetically identical with the

original as source of stem cell.c. Create another human genetically identical with the

original. d. Make an organism more fitted with the harsh

environment.18. GMOs have gene inserted that may have been obtained

from a cell of __________________.a. another species of organismb. another individual of the same speciesc. another part of the body of the same individuald. all of the above

19. The following are GMOs, EXCEPTa. fish that glows in the darkb. tobacco plant that glows in the darkc. half man- half horse organismd. herbicide-resistant corn plant

20. Many are against GMOs for a number of reasons, which of the following is one of the reasons?

a. It decreases the production of crops.b. GMOs would alter the lifestyle of every individualc. This may result to ecological imbalance.d. All of the above

21. GMO is used for the following purposes, EXCEPTa. Increase in the production of organisms that are

resistant to harsh environmental conditionsb. mass-production of plants and animals with desirable

traitsc. increasing the population of endangered speciesd. Aesthetic purposes

22. Transgenic tomatoes _______________.a. are resistant to extreme heatb. stay fresh for a longer period of timec. doesn’t rot at alld. none of the above

23. Which of the following is one of the breakthroughs of GMOs in the field of medicine?

a. utilizing certain plants in the production of insulinb. using silk worm to produce silkc. production of lactose-free milkd. allowing certain species of bacteria to kill cancer cells

24. The following are assisted- reproductive technology, EXCEPT

a. In-vitro fertilizationb. Artificial inseminationc. Surrogacyd. none of the above

25. It is a method of reproduction whereby a woman agrees to become pregnant and deliver for a contracted party and she’s not the biological mother of the baby.

a. Traditional surrogacy b. Gestational Surrogacyc. Contractual Pregnancyd. none of the above

26. The following are the reasons for resorting to surrogacy, EXCEPT

a. Female infertilityb. Medical issues which may make the pregnancy of the

delivery riskyc. Unwillingness of the female parent to undergo

pregnancyd. None of the above

27. Traditional surrogacy may be done through

a. IVFb. IUIc. ICId. IVI

28. A surrogacy agreement where the surrogate's own egg is fertilized with sperm from the commissioning father or a donor. This can be done by the father having intercourse with the surrogate or through artificial insemination.

a. Traditional surrogacy b. Gestational Surrogacyc. Contractual Pregnancyd. none of the above

29. A woman who serves as a "host uterus" whose surrogacy gestates an embryo

a. Gestational Carrierb. Surrogate Motherc. a and bd. none of the above

30. He was the first “test tube baby.”a. Louise Brownb. Robert Edwardsc. Stanley Normand. Warren Ringold

31. How does In-vitro fertilization being done?a. by inserting the sperm of the father or of the donor into

the reproductive organ of the female through a small flexible tube called catheter

b. by fertilizing the egg cell using a drugc. by allowing the sperm to fertilize the egg cell under

special condition, then transfer the fertilized egg back into the uterus

d. none of the above32. This process involves the ovulation of multiple egg cells

using a certain drug in order to ensure greater chance of producing a healthy egg cell that will develop into an embryo after fertilization.

a. ovarian superovulationb. ovarian superstimulationc. multiple egg-superovulationd. multiple egg-superstimulation

33. Success rate in IVF is affected bya. age of the womanb. quality of eggc. condition of the fallopian tubed. all of the above

34. Which of the following is NOT an issue about IVF?a. It is risky since it may result to multiple pregnancyb. The Catholic Objectionsc. The baby loses his / her “True Being” as human since

s/he is made mechanicallyd. All of the above

35. How does Artificial Insemination differ with In-vitro Fertilization?

a. A.I. does not involve direct insertion of sperm into female’s reproductive organ while IVF does

b. A.I. involves the use of catheter while IVF does notc. A.I. can’t be done in the absence of the doctor while IVF

can be done at homed. A.I. involves direct insertion of sperm into female’s

reproductive organ while IVF does not36. In this process, ‘washed sperm,’ spermatozoa which have

been removed from most other components of the seminal fluids, can be injected directly into a woman’s uterus.

a. IVIb. IUPTIc. IUId. ITI

37. Success rates of artificial insemination vary. Factors that lessen the chance of success include, EXCEPT

a. Younger age of the womanb. severe damage of the fallopian tubec. Blockage of the fallopian tubed. sever endometriosis

38. What type of Infertility can artificial insemination treat?a. Men with very low sperm countb. Women with “unreceptive cervical mucus”c. a and bd. none of these

39. The following are the goals of Human Genome Project, EXCEPT.

a. Repair damaged organs of the body.b. Identify all the genes in human DNA.c. Determine the sequences of the chemical base pairs

that make up human DNA,d. Store the known sequences of chemical base pairs in

databases.40. The human gamete has ____ pairs of chromosomes.

a. 23b. 26c. 28d. 30

41. Stem cell is usually found in __________.a. Single celled organismsb. Multicellular organismsc. microscopic organismsd. all of the above

42. Stem cell divides through __________.a. meiosisb. mitosisc. both a and bd. none of the above

43. What is the unique thing about stem cells that make them so desirable for therapeutic use?

a. They are found in reproductive tissueb. They develop into nerve cells and can be used by

stroke victims.c. They develop into organs needed for transplant.d. They can develop into many different tissue types.

44. All cells contain the same genetic information. Why can't cells other than stem cells differentiate into various tissues?

a. As cells develop their genetic makeup changes.b. Stem cells are the only cells that can be implanted.c. Stem cells are the only cells that do not have an X or Y

chromosome and can therefore go into either a male or female.

d. As cells develop some genes are turned off permanently.

45. Which of the following is NOT a source for stem cells?a. Umbilical cordb. early embryosc. sperm and eggd. certain tissues

46. What is a disadvantage of adult stem cells over embryonic stem cells?

a. They are much smaller and therefore difficult to maneuver

b. They grow too fast.c. There is no disadvantage; the two types of cells are

identical.d. They are difficult to locate.

47. Somatic cell nuclear transplant uses material from a(n) _______ cell.

a. adultb. surrogatec. bloodd. embryonic

48. What is an argument in favor of using embryonic stem cells over adult stem cells?

a. Adult stem cells reproduce much faster than embryonic stem cells.

b. Embryonic stem cells are never really living.c. Adult stem cells cannot be cultured.d. Embryonic stem cells can differentiate into many more

types of cells.49. The following are regenerative organs, EXCEPT

a. bloodb. skinc. nervesd. intestinal tissues

50. Adult stem cells can be found in the _______________.a. brain, skeletal muscles and bone marrowb. blood, blood vessels, skin and liverc. either a or bd. neither a nor b