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Biology Test 37
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  • Question 1/30
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    dominance of one allele on another allele at both its loci

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    Epistasis in which dihybrid ratio of 9:3:3:1 between Aa Bb ×AaBbis modified is..
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    Proline

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    Which one is imino acid?
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    sex has no influence on the dominance of traits.

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    Mendel found that the reciprocal crosses yielded identical results. From that he concluded that _______.
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    Larva

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    At which stage in its life cycle does the silk worm yield the fibre of commerce ?
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    Always upright

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    Pyramid of energy in ecosystems is
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    a wide range of environmental conditions that shape communities.

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    Climate is a global factor that produces.
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    production of carbon dioxide during aerobic respiration

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    Ganong’s respiroscope is used to demonstrate _____.
  • Question 8/30
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    Glycine

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    Which of the following amino acids is not optically active?
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    Pigeon

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    Columba livia is the scientific name of.
  • Question 10/30
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    B and C

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    Organisms in which of the following taxa are responsible for most of the conversion of organic materials into inorganic compounds that can be utilized in primary production?
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    virus

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    Mumps is a disease caused by?
  • Question 12/30
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    are incapable of hybridization with other species

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    As a practical definition of species, one can say that they are a group of organisms characterized by all of the following except they
  • Question 13/30
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    Skin

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    Meissner’s corpuscles occur in.
  • Question 14/30
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    Incus, malleus and stapes

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    Human ear ossicles are:
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    clumped

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    How would the dispersion of humans in the United States best be described?
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    Even a slight reproductive advantage will eventually lead to the elimination of inferior species.

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    Which of the following statements is consistent with the competitive exclusion principle?
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    can be mostly killed off.

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    After a natural disaster such as a hurricane or a drought, a population..
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    Hypoparathyroidism

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    Tetany is caused by?
  • Question 19/30
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    Bat

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    Amongst the following flying organisms, which one does not belong to the group, Aves?
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    1/4

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    A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selfing the plants of first filial generation. the proportion of plants producing white flowers in the progeny would be.
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    AIDS

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    Which of the following is not an infectious disease ?
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    A cell is the structural and functional unit of all living organisms.

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    Which is true about "Cell Theory"?
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    A-(2),B-(3),C-(1),D-(4)

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    Match List-I (Diseases ) with List-II (Types of disease ) and select the correct answer using the codes given below the lists: List-I                     List-II A. Haemophilia     1. Deficiency disease B. Diabetes          2. Genetic disease C. Rickets            3. Hormonal disorder D. Ringworm        4. Fungal infection
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    Wallago attu —Lachi

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    Which of the following is correctly matched?
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    both (a) and (c)

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    Ginger and sweet potato are?
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    Disruptive

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    If the two or more morphological forms are favoured against heterozygotes such as selection is termed as ?
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    HCl

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    Ptyalin is inactivated by a component of gastric juice known as
  • Question 28/30
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    10 map units

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    In a dihybrid cross, two recessive genes showed 10% recombinants. The distance between two genes is.
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    18 molecules of ATP are synthesised during carbon fixation.

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    Identify the incorrect statement with respect to Calvin cycle.
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    Proboscis and palpi are long and more or less of equal length

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    A female Anopheles mosquito can be recognized by?
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