This document contains 35 multiple choice questions covering various topics in general science including: how hormones work, sex hormones, units of energy, amino acids, plant tropisms, DNA, products of oxygen combustion, plant fertilization, parthenogenesis, photosynthesis, plant reproduction, cells, tissues, plant and animal reproductive parts, white blood cells, plant vs animal energy sources, enzymes, ATP, genes, tissues, osmosis, food webs, respiration vs fermentation, DNA coding, factors affecting respiration, fishpond relationships, taxonomy, species endangerment, bacterial classification, food movement in humans, cell structures involved in mitosis, body system control, and applications of genetic engineering.
This document contains 35 multiple choice questions covering various topics in general science including: how hormones work, sex hormones, units of energy, amino acids, plant tropisms, DNA, products of oxygen combustion, plant fertilization, parthenogenesis, photosynthesis, plant reproduction, cells, tissues, plant and animal reproductive parts, white blood cells, plant vs animal energy sources, enzymes, ATP, genes, tissues, osmosis, food webs, respiration vs fermentation, DNA coding, factors affecting respiration, fishpond relationships, taxonomy, species endangerment, bacterial classification, food movement in humans, cell structures involved in mitosis, body system control, and applications of genetic engineering.
This document contains 35 multiple choice questions covering various topics in general science including: how hormones work, sex hormones, units of energy, amino acids, plant tropisms, DNA, products of oxygen combustion, plant fertilization, parthenogenesis, photosynthesis, plant reproduction, cells, tissues, plant and animal reproductive parts, white blood cells, plant vs animal energy sources, enzymes, ATP, genes, tissues, osmosis, food webs, respiration vs fermentation, DNA coding, factors affecting respiration, fishpond relationships, taxonomy, species endangerment, bacterial classification, food movement in humans, cell structures involved in mitosis, body system control, and applications of genetic engineering.
This document contains 35 multiple choice questions covering various topics in general science including: how hormones work, sex hormones, units of energy, amino acids, plant tropisms, DNA, products of oxygen combustion, plant fertilization, parthenogenesis, photosynthesis, plant reproduction, cells, tissues, plant and animal reproductive parts, white blood cells, plant vs animal energy sources, enzymes, ATP, genes, tissues, osmosis, food webs, respiration vs fermentation, DNA coding, factors affecting respiration, fishpond relationships, taxonomy, species endangerment, bacterial classification, food movement in humans, cell structures involved in mitosis, body system control, and applications of genetic engineering.
a. by releasing adrenaline b. by controlling cell chemistry c. by regulating water loss d. by controlling blood pressure 2. Name the male and female sex hormones a. sperm cell and ovum b. testosterone c. chromosomes d. red and white blood cells 3. The unit of measurement of energy in a given amount of food. a. pound b. kilo c. olfactory system d. calorie 4. Nitrogen compounds known as the building blocks of proteins a. enzymes b. glucose c. nutrients d. amino acids 5. The growth of roots towards water is an example of? a. chemotropism b. geotropism c. hydrotropism d. phototropism 6. What does DNA mean? a. data nurturing analysis b. deoxyribonucleic acid c. deoxyribonucleic acid d. deotrixyl nucleic acid 7. What are the three 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 8. In flowering plants, fertilization takes place in the? a. pollen tube b. stamen c. ovules d. pollen grains 9. The development of eggs without fertilization. a. mitosis b. parthenogenesis c. spermatogenesis d. mitochondria 10. Which of the following is a source of energy needed for photosynthesis? a. water b. soil c. light d. fertilizer 11. They connect roots and leaves and serve as passageways and storage for food minerals and water from the soil. a. branches b. stem c. trunk 1 | LET REVIEWER UNIVERSITY d. tap roots 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 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 14. The smallest part of a living thing which performs all the processes a living organism does a. organ b. cell c. tissue d. system 15. A group of tissues working together to perform a complex task. a. system b. organ c. network d. skin 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 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 18. The main energy source of plants – eating animals. a. glucose b. starch c. cellulose d. glycogen 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 20. It is the 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 21. It is a segment of DNA molecule which controls the appearance of a given trait. a. chromosomes b. genes c. gametes d. zygotes 22. Group of similar cells performing similar functions together. a. organs b. system 2 | LET REVIEWER UNIVERSITY c. nucleus d. tissue 23. The diffusion of water through a semi – permeable membrane. a. osmosis b. permeability c. transfusion d. capillary 24. It shows the complex food relationships of organisms in a given area and the cyclic flow of food through organisms. a. food chain b. food web c. food pyramid d. biological cycle 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 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 27. What will cause the process of respiration to stop? a. absence of oxygen b. absence of sunlight c. decrease in water supply d. presence of sunlight 28. What relationship exists between a bangus and tilapia in the fishpond? a. commensalisms b. mutualism c. competition d. predation 29. Taxonomy is the study of the classification of organisms based on them? a. genetics b. evolutionary history c. development pattern d. habitat 30. A species 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 31. Some bacteria are classified as saprophytes because they are organisms which? a. feed on dead organic matter b. feed on other living things c. undergo photosynthesis d. have hydrolytic enzymes 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 33. The structure outside the nucleus in animal cells that is involved in mitosis. a. ribosome b. chromosome c. centriole d. microtubule 3 | LET REVIEWER UNIVERSITY 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 35. Genetic engineering has been utilized for the production of ___________? a. genes b. salivary amylase c. uric acid crystals d. human growth hormones