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Advanced Life Science Knowledge Test

Life Science

A rigorous assessment of factual recall and general knowledge in various life science domains.

biology genetics ecology physiology biochemistry

10 Questions Hard Ages 16+ Apr 8, 2026

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About this Study Set

This study set covers Life Science through 10 practice questions. A rigorous assessment of factual recall and general knowledge in various life science domains. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Advanced Life Science Knowledge Test study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which organelle is responsible for the synthesis of steroid hormones and detoxification of harmful substances in eukaryotic cells?

A Golgi apparatus
B Smooth endoplasmic reticulum
C Lysosome
D Mitochondrion

2 The process by which prokaryotic cells divide into two identical daughter cells is known as:

A Mitosis
B Meiosis
C Binary fission
D Budding

3 What is the primary function of telomeres in eukaryotic chromosomes?

A Initiating DNA replication
B Protecting chromosome ends from degradation
C Attaching spindle fibers during mitosis
D Organizing nucleosomes into chromatin

4 Which of the following is a characteristic feature of archaea, distinguishing them from bacteria?

A Presence of a nucleus
B Use of peptidoglycan in cell walls
C Unique lipid composition in their cell membranes
D Sensitivity to streptomycin

5 The enzyme reverse transcriptase, crucial for retroviruses, performs what primary function?

A Replicates viral RNA into DNA
B Synthesizes viral proteins
C Integrates viral DNA into host DNA
D Transcribes viral DNA into RNA

6 In plant physiology, the movement of water across a semipermeable membrane from an area of high water potential to an area of low water potential is called:

A Transpiration
B Guttation
C Osmosis
D Active transport

7 Which class of biomolecules is primarily responsible for catalyzing biochemical reactions in living organisms?

A Lipids
B Carbohydrates
C Nucleic acids
D Proteins (enzymes)

8 What is the term for a symbiotic relationship where one organism benefits and the other is harmed?

A Mutualism
B Commensalism
C Parasitism
D Predation

9 The process by which nitrogen gas (N₂) from the atmosphere is converted into ammonia (NH₃) is called:

A Nitrification
B Denitrification
C Assimilation
D Nitrogen fixation

10 Which part of the mammalian nephron is primarily responsible for reabsorbing water and concentrating urine under the influence of ADH?

A Proximal convoluted tubule
B Loop of Henle
C Distal convoluted tubule
D Collecting duct

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