Cells and Organisation questions

By Interwoven Maths

Cells and Organisation question collection

Review Cells and Organisation questions for Biology, with correct answers shown and coverage across animal and plant cell structures; specialised cells and their functions; tissues, organs and organ systems.

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Question 1

Which cell structure contains genetic material and controls cell activities?
  1. Nucleus
  2. Cytoplasm
  3. Cell membrane
  4. Mitochondrion

Question 2

In most animal and plant cells, where does aerobic respiration release energy?
  1. Mitochondria
  2. Ribosomes
  3. Nucleus
  4. Cell wall

Question 3

Which organelle contains chlorophyll for photosynthesis?
  1. Chloroplast
  2. Mitochondrion
  3. Nucleus
  4. Vacuole

Question 4

Which structure in plant cells is made of cellulose and helps support the cell?
  1. Cell wall
  2. Cell membrane
  3. Cytoplasm
  4. Nucleus

Question 5

What is the main function of the cell membrane?
  1. Control substances entering and leaving
  2. Release energy by aerobic respiration
  3. Build proteins from amino acids
  4. Store genetic information

Question 6

Which structure is found in both animal cells and plant cells?
  1. Cytoplasm
  2. Cell wall
  3. Chloroplast
  4. Large permanent vacuole

Question 7

Which sequence shows levels of organisation from smallest to largest?
  1. \(\text{Cell} \to \text{tissue} \to \text{organ} \to \text{organ system} \to \text{organism}\)
  2. \(\text{Tissue} \to \text{cell} \to \text{organ} \to \text{organism} \to \text{organ system}\)
  3. \(\text{Cell} \to \text{organ} \to \text{tissue} \to \text{organ system} \to \text{organism}\)
  4. \(\text{Organism} \to \text{organ system} \to \text{organ} \to \text{tissue} \to \text{cell}\)

Question 8

What is a group of similar cells working together called?
  1. Tissue
  2. System
  3. Organism
  4. Organelle

Question 9

How is the stomach best described?
  1. As an organ
  2. As a tissue
  3. As an organ system
  4. As an organelle

Question 10

The mouth, oesophagus, stomach and intestines are part of which organ system?
  1. Digestive system
  2. Respiratory system
  3. Circulatory system
  4. Nervous system

Question 11

What adaptation helps a root hair cell absorb water effectively?
  1. A long projection that increases surface area
  2. A thick waxy outer layer
  3. A thick cell wall that blocks water uptake
  4. A high number of chloroplasts

Question 12

Why does a sperm cell contain many mitochondria?
  1. Release energy for tail movement
  2. Digest the egg's outer layer
  3. Carry half the chromosomes
  4. Detect chemicals released by the egg

Question 13

Which statement about mature human red blood cells is correct?
  1. They have no nucleus
  2. They contain chloroplasts
  3. They have a thick cellulose wall
  4. They are larger than most white blood cells

Question 14

What is diffusion?
  1. The net movement of particles from a high concentration to a low concentration
  2. The movement of water from a dilute solution to a concentrated solution
  3. The movement of particles from a low concentration to a high concentration using energy
  4. The breaking down of food using enzymes

Question 15

When will oxygen diffuse into a cell?
  1. When its concentration is higher outside
  2. When its concentration is higher inside
  3. When concentrations are equal
  4. When the cell has no membrane

Question 16

What is a main function of cytoplasm?
  1. Site of many chemical reactions
  2. Storage of genetic information
  3. Control of substances entering the cell
  4. Absorption of light for photosynthesis

Question 17

What does a plant cell's permanent vacuole contain?
  1. Cell sap
  2. Chlorophyll
  3. Genetic material
  4. Cellulose fibres

Question 18

A microscope image is \(30\,\mathrm{mm}\) and the real object is \(3\,\mathrm{mm}\). What is the magnification?
  1. \(10\times\)
  2. \(0.1\times\)
  3. \(90\times\)
  4. \(27\times\)

Question 19

An eyepiece lens is \(10\times\) and an objective lens is \(40\times\). What is the total magnification?
  1. \(400\times\)
  2. \(50\times\)
  3. \(4\times\)
  4. \(4000\times\)

Question 20

Which plant tissue transports dissolved sugars around the plant?
  1. Phloem
  2. Xylem
  3. Epidermis
  4. Palisade mesophyll

Question 21

Which structure is present in plant cells but not animal cells?
  1. Chloroplast
  2. Cell membrane
  3. Cytoplasm
  4. Nucleus

Question 22

How does a flagellum help a unicellular organism?
  1. It enables movement
  2. It absorbs light
  3. It stores genetic material
  4. It builds a cell wall

Question 23

What is an organ system?
  1. A group of organs working together
  2. A group of similar cells
  3. A group of identical tissues
  4. One organ carrying out one function

Question 24

What is a specialised cell?
  1. A cell adapted for a particular function
  2. A group of similar cells working together
  3. A cell able to develop into many cell types
  4. A structure performing one task inside a cell

Question 25

What is an organ?
  1. Different tissues working together
  2. Similar cells working together
  3. Different organs working together
  4. Structures working inside one cell

Question 26

What is the main function of a red blood cell?
  1. Transporting oxygen
  2. Destroying pathogens
  3. Making hormones
  4. Digesting food

Question 27

Why do muscle cells contain many mitochondria?
  1. Release energy for contraction
  2. Store oxygen for transport
  3. Make contractile protein fibres
  4. Carry impulses from motor neurones

Question 28

What does microscope magnification describe?
  1. Image size divided by actual size
  2. Ability to distinguish close points
  3. Width visible through the eyepiece
  4. Number of pixels in a digital image

Question 29

What is resolution in microscopy?
  1. Ability to distinguish two close points
  2. Image size divided by actual size
  3. Width visible through the eyepiece
  4. Amount of light reaching the specimen

Question 30

Which cell structure makes proteins?
  1. Ribosome
  2. Mitochondrion
  3. Nucleus
  4. Cell membrane

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Review Cells and Organisation questions for Biology, with correct answers shown and coverage across animal and plant cell structures; specialised cells and their functions; tissues, organs and organ systems.

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