Grade 11 Quizzes , Questions & Answers

Recent Grade 11 Quizzes

This quiz covers advanced polarization concepts and includes 20 questions designed for students in Grade 11. You will explore topics such as light behavior, polarization techniques, and applications in technology. Understanding...

Questions: 20 | Attempts: 12 | Last updated: Mar 6, 2026

Sample Question
Linear polarization means the electric field vector: ____

Rotates at constant rate always

Oscillates in one fixed plane

Is always zero

Points along the direction of travel

Checkpoint Inhibitors Quiz: Releasing the Immune Brakes

This assessment explores checkpoint inhibitors, which are crucial in cancer treatment. It evaluates knowledge on immune checkpoints, their mechanisms, and the role of specific drugs like Pembrolizumab. Understanding these...

Questions: 20 | Attempts: 21 | Last updated: Mar 6, 2026

Sample Question
What are immune checkpoints naturally designed to do in a healthy human body?

Prevent the immune system from attacking healthy "self" cells

Accelerate the production of red blood cells

Directly digest bacterial cell walls

Create a physical barrier on the skin

Cancer Immune Evasion Quiz: How Tumors Hide

This assessment explores the mechanisms of cancer immune evasion, focusing on how tumors manipulate immune responses. Key concepts include MHC class I downregulation, PD-L1 expression, and the role of immunosuppressive cytokines....

Questions: 20 | Attempts: 20 | Last updated: Mar 6, 2026

Sample Question
Which of the following describes the "downregulation of MHC class I" as a method of tumor survival?

The tumor stops displaying surface markers so cytotoxic T cells cannot find it

The tumor produces extra MHC markers to confuse the immune system

The tumor turns its MHC markers into red blood cells

The tumor uses MHC markers to eat white blood cells

The tumor makes MHC markers move to the brain

Linear and Circular Polarization Quiz

This assessment explores linear and circular polarization, focusing on key concepts such as phase shifts introduced by quarter-wave plates and the behavior of orthogonal polarizations in birefringent materials. It evaluates...

Questions: 20 | Attempts: 12 | Last updated: Mar 6, 2026

Sample Question
Linear polarization means the electric field vector: ____

Rotates at constant rate always

Oscillates in one fixed plane

Is always zero

Points along the direction of travel

Graft Versus Host Disease Quiz: When the Graft Attacks

This assessment explores graft-versus-host disease (GVHD), focusing on the biological mechanisms, symptoms, and treatment strategies. It evaluates understanding of key concepts such as immune response, organ involvement, and the...

Questions: 20 | Attempts: 13 | Last updated: Mar 6, 2026

Sample Question
What is the fundamental biological cause of graft-versus-host disease (gvhd)?

The donor's immune cells attack the recipient's healthy tissues

The recipient's immune cells attack the newly transplanted organ

The donor organ is too small for the recipient's body

The recipient has a bacterial infection in the bone marrow

The donor organ turns into a virus after surgery

Transplant Rejection Quiz: T Cell Attack Mechanisms

This assessment focuses on transplant rejection mechanisms, particularly T cell attacks. It evaluates knowledge of key concepts like human leukocyte antigens, immunosuppressant drugs, biopsies, and cytokines. Understanding these...

Questions: 20 | Attempts: 34 | Last updated: Mar 6, 2026

Sample Question
What is the fundamental cause of a biological attack on a donor organ, as explored in this transplant rejection quiz?

The immune system identifies the donor's mhc markers as foreign

The donor organ is too large for the recipient

The donor organ lacks a blood supply

The recipient has a high fever before surgery

The donor organ is made of different proteins than muscle

Progressive Era Review Quiz

This assessment explores the Progressive Era, focusing on key figures, movements, and amendments that shaped social reform. It evaluates understanding of trust-busting efforts, the establishment of income tax, and the fight...

Questions: 25 | Attempts: 18 | Last updated: Mar 6, 2026

Sample Question
What was the main goal of the Progressive movement?

To promote industrialization

To address social issues and injustices

To expand U.S. territories

To increase immigration

Dispersion, Apparent Depth, and Optical Reasoning

This quiz features 20 questions about dispersion, apparent depth, and optical reasoning, helping you explore the fascinating world of light and how it behaves. You'll tackle concepts like Snell's law, critical angles, and how...

Questions: 20 | Attempts: 16 | Last updated: Mar 6, 2026

Sample Question
Dispersion occurs because refractive index depends on:

Mass of the object

Wavelength (colour) of light

Time of day

Loudness

Autoantibodies Quiz: Diagnostic Markers of Pathology

This assessment explores the fundamental nature of autoantibodies, their role in autoimmune diseases, and diagnostic markers. Key concepts include the mechanisms by which autoantibodies cause harm, such as blocking receptors or...

Questions: 20 | Attempts: 10 | Last updated: Mar 6, 2026

Sample Question
Which of the following best describes the fundamental nature of autoantibodies?

Antibodies that mistakenly target and bind to the body's own tissues

Antibodies produced by a donor during a blood transfusion

Specialized proteins that only attack viral rna

A type of white blood cell that eats bacteria

Thermodynamic Cycles Quiz: Otto, Diesel, Rankine, Refrigeration

This quiz features 20 questions about thermodynamic cycles, specifically focusing on the Otto, Diesel, Rankine, and refrigeration cycles, essential concepts in understanding energy conversion. You will explore how these cycles...

Questions: 20 | Attempts: 13 | Last updated: Mar 6, 2026

Sample Question
The Otto cycle is most closely associated with:

Steam turbines

Gasoline spark-ignition car engines

Refrigerators

Solar panels

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