Biology (T/F)

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72 Questions - Developed by: - Developed on: - 2,108 taken

  • 1
    Decomposers include certain bacteria and fungi.
  • 2
    Sexual reproduction results in offspring that are genetically identical to the parent
  • 3
    Neutrons are negatively charged

  • 4
    Water is a great solvent of polar molecules
  • 5
    In a polar covalent bond, electrons are equally shared
  • 6
    In a condensation reaction, small molecules come together to make a
    large molecule

  • 7
    Ribose is a 6-carbon monosaccharide
  • 8
    If a solution outside of a cell contains a greater concentration of dissolved solutes
    than the contents of the cell, the solution is said to be hypotonic
  • 9
    In active transport solutes are transported down their concentration gradient
  • 10
    Phospholipids contain a hydrophobic head and two hydrophillic tails

  • 11
    In the non-cyclic pathway of the light-dependent stage of photosynthesis, two
    photosystems are involved
  • 12
    Glucose is formed in the light-dependent stage of photosynthesis.
  • 13
    The starting molecule in glycolysis is pyruvate
  • 14
    Krebs cycle of aerobic respiration takes place in the cytoplasm
  • 15
    CO2 is released during Krebs(citric acid) cycle
  • 16
    Light-independent stage of photosynthesis takes place in the grana

  • 17
    In exergonic reactions, energy is released
  • 18
    The enzyme used during transcription is DNA polymerase
  • 19
    A codon is a double nucleotide on mRNA
  • 20
    In animals cells, cytoplasmic division is done by furrowing

  • 21
    Nuclear membrane begins to break down in prophase.
  • 22
    Chromosomes are at their maximum condensation in telophase.
  • 23
    Random alignment of the homologous chromosomes happens at metaphase I
  • 24
    There are two nuclear divisions in mitosis and one nuclear division in
  • 25
    Mitosis and cytokinesis give rise to two clones (genetically identical cells)
  • 26
    A human primary oocyte can give rise to only one viable egg.

  • 27
    A homozygote has a pair of identical alleles whereas a heterozygote has a
    pair of nonidentical alleles
  • 28
    Pink color of flowers produced by snapdragon plants is an outcome of incomplete
  • 29
    If a woman's genotype at the ABO locus is IA i, her blood type is O
  • 30
    Pleiotropy refers to traits which are resulted from multiple genes.

  • 31
    AB blood type is an outcome of co-dominance.
  • 32
    Breast cancer is a sex-limited trait.
  • 33
    Mendel performed dihybrid crosses to test his theory of independent assortment
  • 34
    Most of human traits are multifactorial traits.
  • 35
    An XO woman is fertile
  • 36
    Human males determine the gender of the offspring
  • 37
    Charcot-Marie-Tooth disease is an X-linked dominant trait
  • 38
    XYY males are fertile
  • 39
    Nondisjunction at anaphase I or anaphase II frequently results in aneuploidy
  • 40
    Adipose tissue cells are filled with lipids
  • 41
    Glial cells conduct nerve impulses while neurons support the glial cells
  • 42
    Endocrine glands produce and release hormones.
  • 43
    In negative feedback, the stimuli are intensified several folds before homeostasis is
  • 44
    The walls of the stomach are lined with skeletal muscle tissue
  • 45
    Collagen and elastin are typically found in connective tissue
  • 46
    The function of simple squamous is diffusion.
  • 47
    Simple columnar epithelium is found in the lining of gut and respiratory tract.
  • 48
    The outer layer of skin is consisted of simple epithelium.
  • 49
    Plasma is the cellular portion of blood
  • 50
    Humans have open circulatory system
  • 51
    Gas exchange takes place in alveoli
  • 52
    If a population migrates and picks up new individuals, allele frequencies can change

  • 53
    Founder effect and population bottlenecks are both examples of genetic drift.
  • 54
    Small scale shifts in allele frequencies is the defining characteristic of microevolution.
  • 55
    A population is a group of interbreeding members of the same species in a particular area.
  • 56
    Procambium gives rise to vascular tissue
  • 57
    Monocots have netlike leaf veins
  • 58
    Parenchyma is dermal tissue
  • 59
    Dicots have tap root system
  • 60
    Eosinophils are the most abundant leukocytes(WBC ) in blood.
  • 61
    Inflammation is a non-specific immune response.
  • 62
    T-cell lymphocytes originate and mature in the bone marrow
  • 63
    Activated complement system is a part of the first line of defense
  • 64
    Effector helper T-cells are needed for antibody mediated immune response.
  • 65
    Flatworms have complete digestive systems
  • 66
    Salivary amylase is a protein digesting enzyme.
  • 67
    Vitamin K is synthesized by resident bacteria in the human duodenum
  • 68
    Digestion of carbohydrates starts in the mouth
  • 69
    Lice are ectoparasites
  • 70
    Mistletoe is an example of a hemiparasite
  • 71
    In commensalism both species benefit
  • 72
    Biodiversity tends to be higher in the polar regions and lower in the tropics

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