This is the Multiples Choice Questions Part 18 of General Education. In preparation for the LET Exam, practice, and familiarize every question we have, it might be included in the actual examination. Good luck.
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General Education Part 18
1. How do hormones work?
a. by releasing adrenaline
b. by controlling cell chemistry
c. by regulating water loss
d. by controlling blood pressure
Answer: b
2. Name the male and female sex hormones.
a. sperm cell and ovum
b. testosterone
c. chromosomes
d. red and white blood cells
Answer: a
3. The unit of measurement of energy in a given amount of food.
a. pound
b. kilo
c. olfactory system
d. calorie
Answer: b
4. Nitrogen compounds known as the building blocks of proteins.
a. enzymes
b. glucose
c. nutrients
d. amino acids
Answer: d
5. The growth of roots towards water is an example of?
a. chemotropism
b. geotropism
c. hydrotropism
d. phototropism
Answer: c
6. DNA means?
a. data nurturing analysis
b. deoxyribonucleic acid
c. deoxyribonucleic acid
d. deotrixyl nucleic acid
Answer: 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
Answer: b
8. In flowering plants, fertilization takes place in the?
a. pollen tube
b. stamen
c. ovules
d. pollen grain
Answer: c
9. The development or egg without fertilization.
a. mitosis
b. parthenogenesis
c. spermatogenesis
d. mitochondria
Answer: b
10. Which of the following is a source of energy needed for photosynthesis?
a. water
b. soil
c. light
d. fertilizer
Answer: 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
Answer: 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
Answer: b
13. Process by which plants produce food using carbon dioxide and water, sunlight and chlorophyll.
a. mitosis
b. artificial propagation
c. vegetation reproduction
d. grafting
Answer: c
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
Answer: b
15. A group of tissues working together to perform a complex tasks.
a. system
b. organ
c. network
d. skin
Answer: b
16. Male and female reproductive part of a flower.
a. pollen grains and ovules
b. stamen and pistil
c. pollen grain and pistil
d. stamen and ovules
Answer: 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
Answer: b
18. The main energy source of a plant-eating animal.
a. glucose
b. starch
c. cellulose
d. glycogen
Answer: c
19. These are cellular secretions which help regulate the breakdown and buildup of various substance in the body.
a. enzymes
b. amino acid
c. plasma
d. hormones
Answer: b
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
Answer: a