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AIIMS 2009 Biology Paper

single type

59 Qs

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What is diapedesis?

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Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?

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Which of the following nerves arises from organ of Corti?

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Delicate hair-like feathers which remains sparsely distributed over the body are

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Homo erectus evolved during

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Which of the following postulates is related with neo-Darwinism?

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Intermediate host is absent in the infection of

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Which one feature is common to leech, cockroach and scorpion?

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The type of epithelial cells which line the inner surface of fallopian tubes, bronchioles and small bronchi are known as

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A person who shows unpredictable moods, outbursts of emotions, quarrelsome behavior and conflicts with others is suffering from

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In humans at the end of first meiotic division, the male germ cells differentiate into 

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Contraceptive oral pills help in birth control by

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Respiration is controlled by

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Duodenum has characteristic Brunner's gland which secretes two hormones called as

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Which of the following species has the chromosome complement similar to that of Triticum aestivum?

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Eugenics is the branch concerned with

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What is incorrect about the above figure representing DNA replication?

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Which of the following is the characteristic of PS- I?

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Bark refers to

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Cotton fibres mainly contain

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The outermost limiting layer of Mycoplasma is made up of

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Which of the following statements about Spirogyra is correct?

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Which of the following sugars is not found in plants?

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The binding site of tRNA with mRNA and amino acids respectively are

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Percentage of recombination between A and B is , A and C is , B and C is , then the arrangement of genes is

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Which of the following is true?

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Jute fibres deteriorate quickly because

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The branched sclereids present in hydrophytes are

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Which of the following reaction needs catalyses by decarboxylase enzyme?

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Which of the following is true regarding the given electron transport chain?
CoQ Cyt c Cyt

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Which one of the following is not a micro-element for plants?

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National bird of India is

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Rain is called acid-rain when is pH is below

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Cytokines that provide non specific immunity against virus are

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By all of the following ways, bacteria can become resistant to the antibiotic, except - 

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The specific proteins responsible for the flow of materials and information into the cell are called as

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Which of the following conditions represents a case of co-dominant genes?

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The first bioherbicide developed in 1981 was based on

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Upon fertilization, what structure develops from carpel?

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Secondary successive takes place in recently denuded area.

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Connective tissue inside the brain is essential for conduction of nerve impulse.

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Mammary glands are apocrine glands.

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Cytokinins increase the shelf life of fruits and vegetables.

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Angina pectoris means "pain in the chest".

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Protandry and protogyny ensures cross fertilization.

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Bursa fabricii lies on the ventral side of the cloaca in birds.

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Glycolysis is the first step of respiration in which glucose completely breaks into and .

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Restriction enzymes cut the strand of DNA to produce sticky ends.

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Excess of nitrates in drinking water are harmful for infants.

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Amniocentesis is a process of foetal sex determination.

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Pollen mother cells (PMCs) are the first male gametophytic cells.

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Nucleus is the controlling centre of a cell.

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Hormone calcitonin has antagonistic effect to that of parathormone.

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Dark reaction occurs only at night in the stroma of chloroplast.

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The primitive atmosphere was reducing one i.e., without oxygen.

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Jave Ape-man, Peking man and Heidelberg man are the fossils of Homo erectus.

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Loss of water produces a negative hydrostatic pressure.

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Mammalian ova produces hyaluronidase.

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A gamete may carry either of the alleles but not both.

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