General Biology MCQs
General Biology MCQs
Answer these 1000+ General Biology MCQs and see how sharp your knowledge of General Biology is. Please scroll down and let's start!
1: ____ is best explained by the wear-and-tear theory of aging.
A. Cognitive and behavioral functioning
B. Incontinence
C. Declines between young adulthood and old age
D. Joint deterioration during osteoarthritis
2: _____ are bacterial structures involved in the passage of dna into or out of the cell.
A. Produce ATP
B. Golgi apparatus
C. Cytoskeleton
D. Sex pili
3: _____ are masses of cells full of pores.
A. Nemotoda: Round Worms
B. Mollusca: Mollusks
C. Porifera: Sponges
D. Both male and female reproductive organs
4: _____ are most likely to thrive in the desert.
A. Amphibians
B. Reptiles
C. Mammals
D. Birds
5: _____ better mirrors the mitosis process.
A. Meiosis II
B. Interphase
C. Meiosis
D. Cytokinesis
6: _____ helps plant cells divide and is located primarily in roots and fruits.
A. Gibberellin
B. Cytokinin
C. Ethylene
D. Geotrophism
7: _____ tissue can be liquid, solid, or semi-solid.
A. Connective
B. Epithelial
C. Nervous
D. Muscular
8: ______ contain(s) many ______, and ______ are instructions for producing ______.
A. Chromosomes; genes; genes; proteins
B. Genes; genes; proteins; Chromosomes
C. Genes; Chromosomes; genes; proteins
D. Chromosomes; proteins; genes; genes
9: ______ is an example of bioremediation
A. Use of prokaryotes to treat sewage
B. Apicomplexans
C. Insects
D. Ecosystem
10: ______ is to eating as ______ is to drinking.
A. Isotonic to its environment
B. Conservation of energy
C. Is hypotonic to the protozoan
D. Phagocytosis and pinocytosis
11: _______ are to ribosomes as lipids are to _________.
A. Carbohydrates; rough endoplasmic reticulum
B. Nucleoli; lysosomes
C. Sugars; peroxisomes
D. Proteins; smooth endoplasmic reticulum
12: _______ cells contain plasmids, ________ cells do not.
A. Hydrophilic; hydrophobic
B. Lack a true nucleus
C. Prokaryotic; eukaryotic
D. Smooth endoplasmic reticulum
13: _______ dna is heteroplasmic, meaning it can differ among different parts of a person’s body.
A. Mitochondrial
B. Meiosis
C. Uracil
D. Is genetic
14: ________ are molecules that form the core structure of cell membranes and micelles.
A. Phospholipids
B. Explanation
C. Triglycerides
D. Steroids
15: ________ cavities are spaces within joints.
A. Synovial
B. Organ
C. Coxal
D. Pericardial
16: ________ cells connect photoreceptors to ganglion cells.
A. Changing shape
B. Bipolar
C. Conductive
D. Maculae
17: ________ transmit pain that is sharp, nonchronic, and well localized.
A. D-fibers
B. C-fibers
C. A-delta fibers
D. B-delta fibers
18: ________ is to xylem as ________ is to phloem.
A. Sclerenchyma cell; collenchyma cell
B. Apical meristem; vascular cambium
C. Vessel element; sieve-tube memberCortex; pith
D. Vascular cambium; cork cambium
19: __________ helps organisms transport nutrients.
A. Soil
B. Sap
C. Water
D. Wind
20: _______is a type of drug that induces a soothing, lulling or dulling affect.
A. Stimulant
B. Depressant
C. Narcotic
D. Hallucinogen
21: A ______ will always be expressed in the observable trait.
A. Chromosome
B. Recessive gene
C. Dominant gene
D. Physical feature
22: A cell with a predominance of rough endoplasmic reticulum is most likely ________.
A. The nuclear envelope is continuous with the endoplasmic reticulum.
B. Producing large quantities of proteins for secretion
C. Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.
D. Cell fractionation to study the function of specific organelles
23: A cell with a predominance of smooth endoplasmic reticulum is likely specialized to ________.
A. Store large quantities of water
B. Import and export large quantities of protein
C. Actively secrete large quantities of protein
D. Synthesize large quantities of lipids
24: A cleavage furrow is _____
A. Cyclin and a cyclin-dependent kinase
B. Genetically identical 2n somatic cells
C. An enzyme that attaches phosphate groups to other proteins
D. Groove in the plasma membrane between daughter nuclei
E. Aligning of chromosomes on the equator
25: A community that experiences major changes undergoes _____
A. Ecological change
B. Toxic events
C. Complete stability
D. Total destruction
26: A constitutive gene is _______ regulated and is expressed ____________.
A. LacOC, laclc
B. Positive
C. Not continually
D. Poly A tail
27: A coral reef is a _______.
A. Marine organism
B. Deep sea plant
C. Fragile, highly complex community
D. All of these
28: A couple with a family history of certain diseases may be advised to undergo ________.
A. Genetic testing
B. Oophorectomy
C. Both
D. None of these
29: A fat that is completely hydrogenated would be ________.
A. Saturated fat
B. Solid fats
C. Trans fat
D. Unsaturated fat
30: A fertilized egg usually implants itself and develops in the _____
A. LH
B. Oviduct
C. FSH
D. 14
E. Uterus
31: A filamentous decomposer with cellulose cell walls could be a(n) __________.
A. Water mold
B. Zygote
C. Interphase
D. Anaphase
32: A final mrna transcript of 300 nucleotides would code for ______ amino acids.
A. 4
B. 24
C. 100
D. CAU
33: A given hormone affects ________.
A. All cells in the body, but different types of cells produce different responses to the hormone
B. Only specific target cells, because hormones are delivered only to those cells
C. All cells in the body, because hormones are secreted into blood, which is then transported everywhere
D. Only specific target cells, because nontarget cells lack the appropriate receptors
34: A human skin cell is ________, while a human sperm cell is ________.
A. Sexual reproduction
B. Diploid; haploid
C. Binary fission
D. Haploid; diploid
35: a knock-out allele is ______.
A. A chromosome-level mutation
B. SnRNPs that make up the spliceosome recognize and remove introns
C. A sequence in DNA that brings RNA polymerase near the site for transcription
D. A mutated form of a gene that does not make a functioning product
36: A laboratory might use dideoxyribonucleotides to _____.
A. Produce cDNA from mRNA
B. Visualize DNA expression
C. Separate DNA fragments
D. Sequence a DNA fragment
37: A leukocyte is a _____ blood cell, and an erythrocyte is a _____ blood cell.
A. Red, white
B. White, red
C. Both
D. None of these
38: A macronutrient is a nutrient _______.
A. Fatty acids and glycerol
B. Proteins and fats
C. That is required in large amounts
D. Fluid buildup in the legs and feet
39: A molecule becomes more oxidized when it __________.
A. It is stored as fat.
B. It is converted to heat.
C. It is used to make water from hydrogen ions and oxygen.
D. It is released as carbon dioxide and water
E. It is converted to starch.
40: A mrna codon is complementary to the dna ________.
A. RNA polymerase
B. Cytosol
C. Triplet
D. None of these
41: A muscle fiber is ________.
A. Single muscle cell
B. Multi muscle cell
C. Both
D. None of these
42: A nerve impulse moves toward a neuron's cell body along _____.
A. Dendrites
B. Synaptic terminals
C. Oligodendrocytes
D. Daxons
E. Nodes of Ranvier
43: A neuron's nucleus is located in its _____
A. Cell body
B. Axon
C. Myelin sheath
D. Dendrite
E. Synaptic terminals
44: A new dna strand elongates only in the 5' to 3' direction because _____.
A. DNA polymerase III
B. DNA polymerase I
C. DNA polymerase can only add nucleotides to the free 3' end.
D. Helicase
E. The diameter of the helix
45: A paramecium is a(n) _____.
A. Ciliate
B. Apicomplexan
C. Diatom
D. Metazoan
E. Dinoflagellate
46: A phototroph is to a chemotroph as _____.
A. A plant to an animal
B. Autotroph
C. Heterotroph
D. All of these
47: A physiologist is a biologist who studies the ______.
A. Structure of the body parts
B. Function of the body parts
C. Structure of living things
D. Evolution of animals
E. Physics of living things
48: A point mutation that occurred within an intron would most likely be characterized as a __________.
A. Silent mutation
B. Deleterious mutation
C. Missense mutation
D. Frameshift mutation
49: A primary immune response is the ______.
A. Production of primary-type antibodies in the first day of exposure to a microorganism
B. Immune response elicited by the primary antigen of a disease-causing microorganism
C. Immune response elicited by the primary antibody of a disease-causing microorganism
D. Immune response elicited by the first exposure of lymphocytes to a particular antigen
50: A prophage is a(n) __________.
A. It is stolen from the host cell, but it contains some proteins encoded by the viral genome.
B. Viral genome that has been incorporated into a bacterial cell's chromosome
C. The virus binds to specific receptors that are only present on certain immune cells
D. The viral envelope forms as the virus leaves the host cell
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General Biology MCQs
Тесты по общей биологии MCQ
Preguntas de Biología General MCQ
一般生物学MCQ問題集
Domande a risposta multipla di Biologia Generale
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Questões de Múltipla Escolha de Biologia Geral
生物学常见选择题
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أسئلة اختيارات متعددة في علم الأحياء العامة
Pertanyaan Pilihan Ganda Biologi Umum
Genel Biyoloji Çoktan Seçmeli Sorular
