Chapters and topics
- Thermoregulation and Osmoregulation 3 topics · 187 MCQs
- Human Urinary System 3 topics · 152 MCQs
- Human Nervous System 9 topics · 282 MCQs
- Human Endocrine System 3 topics · 154 MCQs
- Human Reproductive Systems 3 topics · 114 MCQs
- Inheritance 8 topics · 453 MCQs
- Chromosome and DNA 8 topics · 435 MCQs
- Biotechnology 5 topics · 129 MCQs
- Immunity 3 topics · 169 MCQs
- Biostatistics 4 topics · 420 MCQs
- Pharmacology 4 topics · 144 MCQs
- Evolution 5 topics · 150 MCQs
- Ecology 6 topics · 220 MCQs
Sample Biology MCQs
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Q1. Which term is defined as: "a more dilute solution with lower solute concentration"?
- Hypotonic solution
- Poikilotherms
- Contractile vacuole
- Ectotherms
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Answer: A. Hypotonic solution
Hypotonic solution: a more dilute solution with lower solute concentration.
Q2. Which term is defined as: "the vessel carrying blood out of the glomerulus"?
- Kidney stones
- Efferent arteriole
- Kidney failure
- Nephron
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Answer: B. Efferent arteriole
Efferent arteriole: the vessel carrying blood out of the glomerulus.
Q3. Which type of nervous disorder is Parkinson's disease?
- degenerative
- functional
- structural
- vascular
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Answer: A. degenerative
Degenerative: Parkinson's disease.
Q4. Which term is defined as: "lipid-based hormones made from cholesterol"?
- Steroid hormones
- Progesterone
- LH
- Cortisol
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Answer: A. Steroid hormones
Steroid hormones: lipid-based hormones made from cholesterol.
Q5. Each testis is about how long?
- 20 cm
- 10–12 cm
- 1 cm
- 3–5 cm
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Answer: D. 3–5 cm
The correct answer is: 3–5 cm.
Q6. Which term is defined as: "alternative forms of a gene"?
- Alleles
- Universal donor
- Co-dominance
- Punnett square
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Answer: A. Alleles
Alleles: alternative forms of a gene.
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