ACCURATE QUESTIONS WITH CORRECT
DETAILED SOLUTIONS | NEWEST
VERSION
DAT EXAM STUDY GUIDE 2026/2027 — 200 MCQ
REVISION SET
Description: Comprehensive multiple-choice
revision covering Biology, General Chemistry,
Organic Chemistry, Quantitative Reasoning,
Reading Comprehension, and Perceptual Ability.
Each item includes the correct answer with a ✅.
Keywords: DAT, dental admission test, biology,
chemistry, organic chemistry, quantitative
reasoning, reading comprehension, perceptual
ability, exam revision, 2026, 2027.
1. Biology — Cell Structure
Q: Which organelle is primarily responsible for ATP synthesis in eukaryotic cells?
A. Golgi apparatus
B. Mitochondrion ✅
C. Lysosome
D. Smooth endoplasmic reticulum
,2. Biology — Cell Cycle
Q: During which phase of mitosis do sister chromatids separate?
A. Prophase
B. Metaphase
C. Anaphase ✅
D. Telophase
3. Biology — Genetics
Q: A cross between two heterozygous tall pea plants (Tt × Tt) produces what phenotypic
ratio?
A. 1:1
B. 3:1 ✅
C. 9:3:3:1
D. 1:2:1
4. Biology — Molecular Biology
Q: Which enzyme unwinds the DNA double helix during replication?
A. DNA polymerase
B. Ligase
C. Helicase ✅
D. Primase
5. Biology — Microbiology
Q: Gram-positive bacteria appear purple because of a thick layer of:
A. Lipopolysaccharide
B. Peptidoglycan ✅
C. Cellulose
D. Chitin
6. Biology — Human Physiology
Q: Which part of the nephron is the primary site of glucose reabsorption?
A. Descending loop of Henle
,B. Proximal convoluted tubule ✅
C. Distal convoluted tubule
D. Collecting duct
7. Biology — Endocrinology
Q: Which hormone lowers blood glucose levels?
A. Glucagon
B. Cortisol
C. Insulin ✅
D. Epinephrine
8. Biology — Immunology
Q: Which antibody class is most abundant in secretions such as saliva and tears?
A. IgG
B. IgM
C. IgA ✅
D. IgE
9. Biology — Evolution
Q: The Hardy-Weinberg principle describes a population that is:
A. Rapidly evolving
B. Not evolving ✅
C. Undergoing selection
D. Mutating rapidly
10. Biology — Ecology
Q: In a food chain, organisms that convert solar energy into chemical energy are called:
A. Consumers
B. Decomposers
C. Producers ✅
D. Detritivores
, 11. General Chemistry — Atomic Structure
Q: How many protons does a neutral carbon-14 atom have?
A. 6 ✅
B. 8
C. 14
D. 12
12. General Chemistry — Periodic Trends
Q: Which element has the highest electronegativity?
A. Oxygen
B. Fluorine ✅
C. Chlorine
D. Nitrogen
13. General Chemistry — Bonding
Q: A bond formed by the transfer of electrons is:
A. Covalent
B. Ionic ✅
C. Metallic
D. Hydrogen
14. General Chemistry — Stoichiometry
Q: How many moles are in 36 g of water (MW = 18 g/mol)?
A. 0.5
B. 1
C. 2 ✅
D. 4
15. General Chemistry — Gases
Q: According to Boyle's Law, if volume decreases, pressure:
A. Decreases
B. Increases ✅