Question

15) Cara and Chuck were looking at pond water through a microscope. They saw this image. Cara wondered what it was. Chuck said it had to be a living thing because it was A) green. B) moving. C) made of cells. D) round throughout.
16) Your science teacher has asked the class to make a cell city model. Which building or business in the city could represent the mitochondria, and why? A) city dump - waste storage B) city hall - control center C) roads - transportation system D) power company - produces energy
17) Identify the structure that protects and gives support to this plant cell. A) vacuole B) cell wall C) cytoskeleton D) cell membrane
18) Which cell structure is the gatekeeper, controlling what goes in and out of the cell? A) c - nucleus B) e - vacuole C) a - cell membrane D) b - endoplasmic reticulum
19) Karina is looking at a group of cells under the microscope. The organism has many cells, each with a cell wall and green chloroplasts. It has a nucleus and membrane bound organelles. In which kingdom should this organism be classified? A) Animalia B) Fungi C) Plantae D) Protista
20) _______ is a jellylike substance in both the animal and the plant cell containing important chemicals and acts like a matrix for the cell organelles. A) Chloroplast B) Cytoplasm C) Mitochondria D) Vacuole

Answer 1

15. The correct answer is option C, that is, made up of cells. All the living things are made up of cells.  

16. The correct answer is option D, as mitochondria are considered as the powerhouse of the cell.  

17. The correct answer is option B, the prime function of the cell wall is to provide the cell strength, strength, and composition.  

18. The correct answer is option C, the cell membrane works as a gatekeeper of the cell, it monitors the movement of components in and out of the cells and organelles. In this manner, it is selectively permeable to organic molecules and ions.  

19. The correct answer is option C, the Kingdom Plantae comprises of species like trees, bushes, herbs, grasses, green algae, and others. They are characterized by the presence of cell wall and green chloroplasts.  

20. The correct answer is option B, cytoplasm refers to the jelly-like fluid, which fills a cell. It comprises majorly of water and salt. It is present inside the cell membrane of all the kinds of cells and comprises all the cell components and organelles.