Biological Science Reviewer 1

Someone requested for biological science reviewer, good thing I found this. Hope this may help those who are biological science major. You can copy this post or you can just download it free in Downloadable Reviewers page. Thank you and God bless everyone.

1. How do hormones work?

a. by releasing adrenaline
b. by controlling cell chemistry
c. by regulating water loss
d. by controlling blood pressure

Ans: b

2. Name the male and female sex hormones

a. sperm cell and ovum
b. testosterone
c. chromosomes
d. red and white blood cells

Ans: a

3. The unit of measurement of energy in a given amount food.

a. pound
b. kilo
c. olfactory system
d. calorie

Ans: d

4. Nitrogen compounds known as the building blocks of proteins

a. enzymes
b. glucose
c. nutrients
d. amino acids

Ans: d

5. The growth of root towards water is an example of?

a. chemotropism
b. geotropism
c. hydrotropism
d. photoprism

Ans: c

6. DNA means?

a. data nurturing analysis
b. deoxytribonucleic acid
c. deoxyribonucleic acid
d. d. deotrixyl nucleic acid

Ans: c

7. What are the 3 products of oxygen when it has been burned?

a. water, carbon dioxide and air
b. energy, water and carbon
c. energy, carbon and oxide
d. energy, air and water

Ans: b

8. In flowering plants, fertilization takes place in the?

a. pollen tube
b. stamen
c. ovules
d. pollen grains

Ans: c

9. The development or egg without fertilization.

a. mitosis
b. parthenogenesis
c. spermatogenesis
d. mitochondria

Ans: b

10. Which of the following is a source of energy needed for photosynthesis?

a. water
b. soil
c. light
d. fertilizer

Ans: c

11. They connect roots and leaves and serve as passageway and storage for food minerals and water from the soil.

a. branches
b. stem
c. trunk
d. tap roots

Ans: b

12. The process by which plants produce food using carbon dioxide and water, sunlight and chlorophyll.

a. reproduction
b. photosynthesis
c. fruit bearing
d. chemosynthesis

Ans: b

13. Process by w/c plants reproduce asexually by using their parts such as roots, stems and leaves

a. mitosis
b. artificial propagation
c. vegetation reproduction
d. grafting

Ans: c

14. The smallest part of living thing which performs all the processes a living organism does

a. organ
b. cell
c. tissue
d. system

Ans: b

15. A group of tissues working together to perform a complex task.

a. system
b. organ
c. network
d. skin

Ans: b

16. Male and female reproductive parts of a flower.

a. pollen grains and ovules
b. stamen and pistil
c. pollen grain and pistil
d. stamen and ovules

Ans: b

17. In the human body, the cell that most nearly resembles a one – celled animal.

a. red blood cell
b. white blood cell
c. nerve cell
d. antibodies

Ans: b

18. The main energy source of plant – eating animal.

a. glucose
b. starch
c. celluse
d. glycogen

Ans: c

19. These are cellular secretions which help regulate the breakdown and buildup of various substances in the body.

a. enzymes
b. amino acids
c. plasma
d. hormones

Ans: b

20. It is energy source of the cell which it uses for growing , reproducing and other activities.

a. adenosine triphosphate (ATP)
b. amino acids
c. Chloroplast
d. sunlight

Ans: a

21. It is a segment of DNA molecule which controls the appearance of a given trait.

a. chromosomes
b. genes
c. gametes
d. zygotes

Ans: b

22. Group of similar cell performing similar functions together.

a. organs
b. system
c. nucleus
d. tissue

Ans: d

23. The diffusion of water through a semi – permeable membrane.

a. osmosis
b. permeability
c. transfusion
d. capillary

Ans: a

24. It shows the complex food relationships of organism in a given area and the cyclic flow of food through organisms.

a. food chain
b. food web
c. food pyramid
d. biological cycle

Ans: b

25. Which of the following does NOT occur to both respiration and fermentation?

a. energy is released
b. sugar is broken down
c. carbon dioxide is produced
d. alcohol

Ans: d

26. The genetic information in a DNA is coded in the _______________________?

a. sequence of ribonucleotides
b. proportion of the base results
c. base pairings
d. sequence of nucleotides

Ans: d

27. What will be the cause the process of respiration to stop?

a. absence of oxygen
b. absence of sunlight
c. decrease in water supply
d. presence of sunlight

Ans: a

28. What relationship exist between and a bangus and tilapia in the fishpond?

a. commensalisms
b. mutualism
c. competition
d. predation

Ans: c

29. Taxonomy is the study of the classification of organism based on their?

a. genetics
b. evolutionary history
c. development pattern
d. habitat

Ans: b

30. A specie is said to be ________ when its number is so few that it will most likely disappear altogether unless given proper protection.

a. disappearing
b. extinct
c. depleted
d. endangered

Ans: d

31. Some bacteria are classified as saprophytes because because they organism which?

a. feed on dead organic matter
b. feed on other living things
c. undergo photosynthesis
d. have hydrolytic enzymes

Ans: a

32. In humans, food is moved down the esophagus into the stomach by means of?

a. cyclosis
b. peptic acids
c. peristalsis
d. active transport

Ans: c

33. The structure outside the nucleus in animal cells that is involved in mitosis.

a. ribosome
b. chromosome
c. centriole
d. microtubule

Ans: c

34. Coordination and integration of the body activities of man are under the direct control of the _______________?

a. reproduction and transport system
b. nervous and endocrine system
c. nervous and excretory system
d. respiratory and endocrine system

Ans: b

35. Genetic engineering has been utilized for the production of _______________?

a. genes
b. salivary amylase
c. uric acid crystals
d. human growth hormones

Ans: d