Bicol University
College of Education
Daraga, Albay
High School Department
BIOLOGY
I. Multiple Choice
Directions: Choose the letter of the best answer. Shade the letter in your answer sheet that corresponds to your choice.
1. What kinds of cells are produced during meiosis in the testes?
A. 4 Haploid cells C. 23 Haploid sperms
B. 4 Diploid cells D. 23 Diploid sperms
2. This method is done by refraining completely from sexual intercourse, and is a 100% effective method of family planning.
A. Ligation C. Homosexuality
B. Abstinence D. Family Planning
3. What is asexual reproduction?
A. Formation of new individuals by fusion of sex cells.
B. Creation of offspring without involving sex cells.
C. It involves meiosis
D. It comes from 2 parent cells
4. This part of the female reproductive system is said to be the “Home of the Embryo.”
A. Oviduct C. Fallopian tube
B. Uterus D. labia majora
5. It is an organized three-layered embryonic tissue.
A. Blastula C. Gastrula
B. Morula D. Zygote
6. This part of the male reproductive system is said to be the “Sperm cell Factory.”
A. Seminiferous tubules C. Testes
B. Epididymis D. Vas deferens
7. The chromosomes align at the center of the plate and are attached to the spindle fibers.
A. Prophase C. Anaphase
B. Metaphase D. Telophase
8. The emergence of secondary sex characteristics in females is caused by the hormone _______________.
A. Estrogen C. Adrenaline
B. Testosterone D. Progesterone
9. It is the site where fertilization usually happens.
A. Uterus C. Placenta
B. Oviduct D. Ovary
10. This method of family planning is done by recording the daily rise of a woman’s temperature.
A. Sympto-Thermal Method C. Basal Body temperature
B. Standard days Method D. Lactational Amenorrhea Method
11. The following are the benefits of asexual reproduction EXCEPT:
A. Perpetuation of successful genotype in stable environment
B. Genetic variation for better environmental adaptability
C. Production of numerous offspring within a short period
D. Fast growth and development of new organism
12. This part is similar to the penis of the male because of its capacity to become erect.
A. Uterus C. Clitoris
B. Ovaries D. Labia majora
13. The main difference in the outcome of mitosis from meiosis is
A. Meiosis produces somatic cells
B. Mitosis occurs in vertebrates only
C. Meiosis occurs in haploid cells and mitosis results in diploid cells
D. Meiosis produces identical daughter cells while mitosis produces daughter cells which may not be identical
14. The part of the male reproductive system that connects the urethra and epididymis.
A. Vas deferens C. Fallopian tube
B. Seminal vesicles D. Pelvis
15. William and Jera are married for two years, but because of a disease in her reproductive system, Jera is unable to conceive. What do you call Jera’s condition?
A. Fertility C. Blocked Fallopian tube
B. Infertility D. Unblocked Fallopian tube
16. Who was/were the scientist/s that studied the structure of DNA using X-ray diffraction and found out that DNA molecule resembles a tightly coiled spring?
A. Erwin Chargaff C. James Watson and Francis Crick
B. Rosalind Franklin D. Alfred Hershey and Martha Chase
17. It is a product of two eggs being fertilized by two different sperms.
A. Maternal twins C. Fraternal twins
B. Conjoined twins D. Homosexual twins
18. What is the main cause of Syphilis?
A. Contact with syphilis sore
B. Sexual intercourse with an infected person
C. Use of needles infected with Syphilis
D. None of the above
19. A collective term that refers to organisms that are produced from eggs.
A. Oviparous C. Caesarian
B. Viviparous D. Ovarian
20. This is the process where the egg cell fuses with the sperm cell.
A. Copulation C. Continuation
B. Fertilization D. Combination
21. All of the following do not belong to the parts of the sperm cell EXCEPT
A. Achrosome- Mitochondria- Tail
B. Head- Midpiece- Tail
C. Mitochondria- Flagella- Cell membrane
D. Cell membrane- Cytoplasm Nucleus
22. This is an infectious agent responsible for AIDS.
A. Human Papillomavirus C. Lymphogranuloma venerum
B. Treponema Virus D. Human Immune Deficiency Virus
23. Which of the following groupings is correct?
A. Budding-Fission- Fragmentation- Regeneration
B. Corms- Tubers- Spores- Buds
C. Marcotting- Scion- Spores- Stock
D. Clones- Gametes- Zygote- Sex cells
23. Conception is a complicated process that depends upon many factors EXCEPT
A. A good quality of embryo
B. The ability of sperm to reach eggs
C. The blocked fallopian tube
D. All of the above
24. What can be done in order to lessen the burden of those person that are sterile and cannot bear a child.
A. Engaging in multiple partners C. Dance in Bulacan (Santa Clara way)
B. Kidnap a child D. Adopt a child
25. This is the total live births in a specified in a specified area over a specified period of time.
A. Population Growth C. Population Density
B. Death Rate D. Birth rate
26. DNA Nucleotide is composed of the following EXCEPT
A. Sugar Ribose C. Phosphate Group
B. Sugar Deoxyribose D. Nitrogenous Base
27. The pattern of base-pairing in DNA can be summarized by the rule _________.
A. Purines always pairs with purines
B. Pyrimidines only pairs with pyrimidines
C. Adenine pairs with thymine and cytosine pairs with guanine
D. Adenine cannot be paired with cytosine
28. Who was the scientist who made a key discovery regarding the chemical structure of DNA by studying the DNA from different organisms?
A. Oswald Avery C. Rosalind Franklin
B. Erwin Chargaff D. Frederick Griffith
29. DNA resembles a twisted ladder, what composes the upright and rungs of the ladder?
I Upright: Phosphate and Sugar III Rungs Phosphate and sugar
II Upright : Nitrogen Bases IV Rungs: Nitrogen Bases
A. I and II C. I and IV
B. II and III D. II-IV
30. A process of postponing pregnancy in a natural way.
A.Naturral Family Planning C. Lactational Ammenorhea
B. Artificial Family Planning D. Life Planning Education
II. Matching Type
Directions: Select the item on the right that matches the item on the left. Shade the letter that corresponds to the correct answer in your answer sheet.
A. Cell Division
31. The stage is characterized by DNA replication and DNA molecules increase the number prior to cell division.
A. Mitosis
32. The cellular mechanism that reduces by half the number of chromosomes of sex cells. B. Meiosis
33. A type of cell division which involves the production of two diploid daughter cells fro one parent cell. C. Synthesis phase
D. Interphase
B. SEXUALLY TRANSMITTED DISEASES
34. Is an STD that causes the obstruction of lymph nodes in the genital area.
A. Pubic lice
35.This is a serious complication that may occur to women with human papilloma virus B. Lymphogranuloma venerum
36. This is a common term for “phtriasis.” C. pelvic inflammatory disease
D.Cervical cancer
C.DNA REPLICATION
37. Enzyme that helps in the binding of nitrogenous bases.
A.Single-stranded binding proteins
38. Enzyme that initiates the separation of DNA strands before replication. B.DNA polymerase
39. An enyme that binds to the strand of DNA to keep them from reannealing. C. Helicase
D. Primase
C. FAMILY PLANNING
40. Use of breastfeeding as temporary postpartum method of postponing pregnancy.
A.Intra-uterine device
41.A small object made of plastic or stainless steel inserted into the womb B.Standard days method
42. Combination of observations made in the cervical mucus, BBT recording and other signs of ovulation C. Sympto-thermal Method
D. Lactational Amenorrhea
D. FEMALE REPRODUCTIVE SYSTEM
43. The fingerlike projections on the end of the fallopian tube that captures the egg as it is released from the ovaries
A.Cilia
44. Hair-like structures that sweep the ovum into the fallopian tube B.Clitoris
45. The name which refers to the females external genetalia C. Vulva
D. Fimbriae
E. ASEXUAL REPRODUCTION
46. A parent cell divides into two.
A.parthenogenesis
47. Regrowing of lost part B.Binary fission
48. Daughter cells is an outgrowth of parent cell C. Budding
D. regeneration
III Problem Solving (28 PTS.)
Directions: Identify the complementary strand of the following DNA
AUG-CUG-AUG-GAU-GAC-UAG-GAC-CAG-GAU-CGA-AGA- GCA-CCA-UUU
A.UUU-CUG-AUG-CCA-GCA-AGA-CGA-GAU-CAG-GAC-UAG-GAC-GAU-AUG
B. UAC-AAC-UAC-CUA-CUG-ATC-CUG-GUC-CUA-GCU-UCU-GAU-AUG-UUU
C. UAC-GAC-UAC-CUA-CUG-AUC-CUG-GUC-CUA-GCU-UCU-CGU-GGU-AAA
D. NONE OF THE ABOVE, WRITE YOUR ANSWER AT ATHE BACK OF THE ANSWER SHEET
AUG--CUG-CCA-GCA- -CAG-GAC-UAG-GAC-GAU-AUG-UUU
A.UAC-GUC-AAA-ACG-CAG-GGC-UAG-CCA-AGA-CGA-AAG-UUU
B. UAC-GAC-GGU-CGU-GUC-GUC-CUG-AUC-CUG-CUA-UAC-UUU
C. UAC-CGU-GUC-UUA-GAU-CAG-CAG-GAC-ACU-UCA-GGU-UUG
D. NONE OF THE ABOVE, WRITE YOUR ANSWER AT ATHE BACK OF THE ANSWER SHEET
AUG-GGC-AAG-GAA-GCA-ACG-GCG-CAG-GAU-GUC-UCG-CUA-UUU
A. UAC-GAC-UAC-CUA-CUG-AUC-CUG-GUC-CUA-GCU-UCU-CGU-AAA
B. UAC-AAC-UAC-CUA-CUG-ATC-CUG-GUC-CUA-GCU-UCU-GAU-AAA
C. UAC-CCG-UUC-CUU-CGU-UGC-CGC-GUC-CUA-CAG-AGC-GAU-AAA
D. NONE OF THE ABOVE, WRITE YOUR ANSWER AT ATHE BACK OF THE ANSWER SHEET
IV.ESSAY (SIX POINTS EACH)
Directions: For 4 to 6 sentences write an essay about the following. Use the back of the answer or an extra sheet of paper to write your answer.
1. Identify and explain the different factors that affect population growth.
2. What do you think are the consequences of untimely sexual intercourse? Explain
3. Explain the mechanism of DNA replication.
4. Discuss protein synthesis; include the enzymes that are needed in the process.
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