Exams
Timed mock exams that feel like the real thing
Practice with structured papers, scoring rules, and instant insights built for competitive aspirants.
Why aspirants choose Examtube
Live numbers from our learning platform
7
Exams
7,899
Questions
123
Blogs
6
News
67
Learners
3
Categories
Featured exams
High-impact mocks and practice papers ready to attempt
Free
Biological Classification Quiz : MCQs for NEET & CBSE
Memorizing Chapter 2 doesn't have to be boring. We've transformed the entire NCERT chapter into 60 high-quality MCQs complete with in-depth,...
60 Qs
17 Aug 2026
Free
Class 10 Biology – Nutrition & Modes of Nutrition | NCERT MCQ Test
Practice NCERT-based MCQs on Nutrition and Modes of Nutrition from Class 10 Biology Life Processes. Improve your CBSE exam preparation with...
30 Qs
09 Aug 2026
Free
CSIR NET Animal Physiology – Action Potential Practice Test
Test your preparation with 30 carefully selected MCQs on Action Potential from CSIR NET Life Science – Unit: Animal Physiology. This p...
30 Qs
09 Aug 2026
Free
उपसर्ग (Prefix) – हिंदी व्याकरण | MCQ Practice Test
इस उपसर्ग (Prefix) MCQ Practice Test में हिंदी व्याकरण के महत्वपूर्ण टॉपिक उपसर्ग से संबंधित बहुविकल्पीय प्रश्न दिए गए हैं। इस टेस्ट में उपस...
9 Qs
09 Aug 2026
Practice Questions
A fresh set of questions every visit — build concepts one answer at a time.
lacOc mutation affects
Operator-constitutive mutations lacOc affect cis regulatory DNA element rather than diffusible trans-acting protein fact...
Ref: Alberts Fig 7-38 lacOc mutation affects operator; NCBI - lacOc operator constitutive cannot bind repressor cis-dominant
Darwin studied coleoptile bending in seedlings of:
Oat (C) is correct here. This is core Auxin Phytohormone: once you know the definition or pathway step, Oat is the clear...
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
Second messenger that opens Ca²⁺ channels on ER membrane is:
IP₃, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experim...
Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)
Plasmodesmata are best described as: (June 2023)
Plant cytoplasmic channels, is consistent with established principles of cell signaling, receptor pharmacology and cellu...
Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)
Browse by category
Find exams by competitive stream and topic area
Blog categories
Exam categories
Question categories
News categories
Latest from the blog
Strategies, study plans, and mentor tips
Secondary Structure of Proteins
The nature of the bonds in the peptide backbone plays an important role here. Within each amino acid residue are two bonds with reasonably f...
Protein-Folding Dynamics
We know that the sequence of amino acids ultimately determines the three-dimensional structure of a protein. We also know that proteins can...
Cell Fusion- Types and Significance
Cell Fusion Until recently, cells were thought to be integral and discrete components of tissues, and their state was determined by cell dif...
Education news desk
Breaking alerts and trending updates for candidates
IT Interview Screening paper is now open for unlimited practice
A first-round style mock covering interview readiness, programming basics, and computer knowledge.
Summer internship shortlists open for IT and software roles
Intern pipelines are looking for clear fundamentals, not a long framework resume.
Aptitude and General Knowledge practice paper added to the catalogue
A balanced 12-question paper for campus and competitive-style revision.
Stories from learners
Real outcomes from students and job seekers
Frequently asked questions
Quick answers before you begin
Create a free account, browse the Exams section, pick a published paper that matches your goal, and attempt it under timer conditions. Results appear after submission with marks and attempt history.
Yes. Institutes can manage exams, categories, blogs, news, and media from the admin workspace while candidates attempt papers on the public site.
Yes. Exam authors can enable negative marking and pass percentage rules so mocks match the scoring pattern of the real paper.
Retakes depend on the exam's attempt policy. Some papers allow unlimited practice; others limit attempts to preserve exam integrity.