Advertisement

Advertisement

Advertisement

Grade 12 Quizzes, Questions & Answers

Recent Grade 12 Quizzes

Advanced Taxonomy and Zoology Quiz

Questions: 23 | Attempts: 19 | Last updated: Aug 4, 2025

Sample Question
What is the kingdom and phylum of the Zoomastigophora Trypanosoma?

Domain Eukarya Kingdom Animalia Phylum Chordata Trypanosoma

Domain Bacteria Kingdom Fungi Phylum Arthropoda Trypanosoma

Domain Archaea Kingdom Plantae Phylum Mollusca Trypanosoma

Domain Eukarya Kingdom Protista Phylum Zoomastigophora Trypanosoma

Fundamentals of Fluid Mechanics Quiz

Questions: 12 | Attempts: 20 | Last updated: Aug 4, 2025

Sample Question
What is the definition of Density?

Density = Weight/Volume = W/V

Density = Mass x Volume = m x V

Density = Volume/Mass = V/m

Density = Mass/Volumep=m/V

Key Stages of Embryonic Development: A Detailed Quiz

Questions: 28 | Attempts: 11 | Last updated: Oct 13, 2025

Sample Question
Name the (4) main stages of development.

Cell Division, Growth, Maturation, Senescence

FertilizationCleavageGastrulationOrganogenesis

Embryogenesis, Differentiation, Maturation, Regeneration

Prenatal, Postnatal, Adolescent, Adult

Understanding Sponges: Structure, Forms, and Function in Marine Ecosystems

Questions: 18 | Attempts: 16 | Last updated: Aug 4, 2025

Sample Question
What is the body design of sponges?

Bilateral body symmetry with highly specialized organs for locomotion and digestion.

Mobile organisms capable of rapid movement and hunting for prey in a coordinated manner.

Uniquely multicellular body specialized for filter feeding, by separating of suspended food particles from water by passing them through a mesh that strains out the food,Dynamic ameboid movement of cells in tissue and totipotent cells that allow for dynamic change in body structure.This suggests that sponges are an intermediate form between protozoans and other metazoans in which tissues and cells are more permanently specialized.Porous and allows water to pass through body and absorbs food.Sessile and attached organisms, although some have limited movementBody symmetry may be radial (sphere, cone, or cylinder), but asymmetry predominates. Indeterminate Growth

Solid body structure with no openings for water flow and food absorption.

Structures of Nucleotides and Their Components in DNA and RNA

Questions: 14 | Attempts: 22 | Last updated: Aug 4, 2025

Sample Question
What is the main difference between ribose and deoxyribose?

Notice the difference at the 2' carbon

Ribose has 1 fewer carbon atom than deoxyribose.

The stereochemistry of ribose and deoxyribose is different.

Deoxyribose has a double bond at the 2' carbon.

Exploring the Diversity of Cnidarians in Marine Ecosystems

Questions: 27 | Attempts: 14 | Last updated: Oct 24, 2025

Sample Question
What class do exclusively marine solitary or colonial Cnidarians belong to in which the medusoid stage is completely absent?

Exclusively marine solitary or colonial Cnidarians in which the medusoid stage is completely absent (Sea anemones, hard corals soft corals gorgonians and and sea pens.)

Hydrozoa

Scyphozoa

Cubozoa

Endocrine System and Hormonal Responses Quiz

Questions: 18 | Attempts: 13 | Last updated: Oct 14, 2025

Sample Question
What are the following hormones for: Adrenal, Gonadal, and Hormones in Invertebrates? What chemical class do these all belong to?

Regulation of Blood Pressure

The Adrenal Gland Hormones for responding to stress Gonadal Sex Hormones Steroid Hormones Produced in the Testes and Ovaries Hormones in Invertebrates Regulation of Insect DevelopmentSteroids

Peptide Hormones Produced by the Pancreas

Hormones for muscle growth

Understanding Wave Phenomena: Stationary Waves, Vibrations, and the Doppler Effect

Questions: 15 | Attempts: 22 | Last updated: Aug 4, 2025

Sample Question
Describe the nature of standing (stationary waves).

Standing waves are created by the collision of two waves with different speeds and amplitudes.

Standing waves are formed when a wave passes through a medium without any reflection or interference.

Standing waves have varying wavelengths and directions of propagation.

A standing wave is the product of the propagation of 1 wave against a wall and its reflected wave with the same speed, same wavelength, same amplitude, opposite direction. Because the wave is reflected, the energy that is propagated returns to the same point of origin. Velocity=displacement / time, and since there is no displacement, the wave has no velocity. As well, we say that no energy is propagated

Advanced Physics: Gravitational Forces and Projectile Motion

Questions: 13 | Attempts: 15 | Last updated: Aug 4, 2025

Sample Question
Describe and sketch the trajectory of projectile motion as parabolic in the absence of air resistance.

A straight line

A circle

A spiral

Refer to image

Essentials of Ion and Water Regulation in Biological Systems

Questions: 26 | Attempts: 10 | Last updated: Sep 22, 2025

Sample Question
What are some key concepts related to maintaining internal balance in biological systems?

PhotosynthesisRespirationATPAdhesionCohesion

MitosisMeiosisChromosomesGametesGenes

HomeostasisOsmosisOsmolarityRegulatorsConformersSolutesIons

AcidsBasesNeutralizationReactionspHBuffering

« Previous 1...174 175 176 177178179 180 181 182...332 Next »

Advertisement