AIIMS Past Exam Paper Biology - 2013
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Question 1 of 60
Speciation of sympatric species is due toCorrectIncorrect
Question 2 of 60
The application of synthetic plant hormone like IAA, IBA and NAA are best described asCorrectIncorrect
Question 3 of 60
Flame cells and Malphighian tubules are the analogous organ inCorrectIncorrect
Question 4 of 60
Trochlear, trigeminal and glossopharyngeal nerve are respectively.CorrectIncorrect
Question 5 of 60
Who had proposed theory of cohesion and adhesion forces?CorrectIncorrect
Question 6 of 60
Which one of the following useful organisms is not a part in production of curd/yoghurt?CorrectIncorrect
Question 7 of 60
The drugs, which do not develop physiological dependence isCorrectIncorrect
Question 8 of 60
Organogenesis or morphogenesis in tissue culture is controlled/regulated by phytohormones the credit of this important discovery goes toCorrectIncorrect
Question 9 of 60
A man whose father is a colourblind, marry a woman, who is a daughter of colourblind mother. The offspring of this couple will beCorrectIncorrect
Question 10 of 60
In a child of 15 years age, plasma calcium level is diagnosed below optimum level. Which organ is malfunctioning?CorrectIncorrect
Question 11 of 60
Which one of the following best describes polygenic inheritance?CorrectIncorrect
Question 12 of 60
Go through the following table comparing the effect of sympathetic and parasympathetic nervous system. Which one is matched correctly?CorrectIncorrect
Question 13 of 60
Which one of the following set meaning is not different?CorrectIncorrect
Question 14 of 60
How macula lutea and corpus luteum are related?CorrectIncorrect
Question 15 of 60
Which one as used/regarded as biofertiliser?CorrectIncorrect
Question 16 of 60
The common characteristic showing by mushroom smut and rustCorrectIncorrect
Question 17 of 60
A reptilian looks like house lizard is sitting on plant with its tail coiled around twig in your garden. Can you identify the animal?CorrectIncorrect
Question 18 of 60
Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavor, colour, sugar and fleshy content is due toCorrectIncorrect
Question 19 of 60
hnRNA undergoes tow additional process. Out of them in one process an unusual nucleotide (methyl GPT) is added to the 5’ end of molecule. What would you called this?CorrectIncorrect
Question 20 of 60
Which one exhibits the character of a protozoan during one phase of its life cycle and character of fungi in another phase of its life cycle?CorrectIncorrect
Question 21 of 60
Wernickes syndrome is generally common in alcoholic person; which is characterized by less mental activity and dual vision. It is caused by the deficiency ofCorrectIncorrect
Question 22 of 60
Which one of the most common embryo sac in flowering plant?CorrectIncorrect
Question 23 of 60
Which type of immunoglobulin is/are abundantly found in foetus?CorrectIncorrect
Question 24 of 60
The mandatory combination responsible for assembly of microtubules areCorrectIncorrect
Question 25 of 60
Which one plant movement is unidirectional?CorrectIncorrect
Question 26 of 60
The exchange of segments of two non=homologous pair of chromosomes is termed isCorrectIncorrect
Question 27 of 60
Question 28 of 60
SER and RER can be distinguished with its presence inCorrectIncorrect
Question 29 of 60
Human Immuno Virus (HIV) contain a protein coat and genetic material and is horse chestnut shapedCorrectIncorrect
Question 30 of 60
Root cambium is derived fromCorrectIncorrect
Question 31 of 60
Which one contain most reduced form of stem?CorrectIncorrect
Question 32 of 60
Which enzyme complex is responsible for the reduction of molecular nitrogen to the level of NH3 in root module of legume?CorrectIncorrect
Question 33 of 60
The plants which can withstand with narrow and broad range of temperature tolerance respectively areCorrectIncorrect
Question 34 of 60
Desert can be converted into a lush green land by plantingCorrectIncorrect
Question 35 of 60
Which one is a source of commercially important product Syzygtum aromaticum?CorrectIncorrect
Question 36 of 60
When a fern plant is developed from its prothallus without fertilisation? This phenomenon is an example ofCorrectIncorrect
Question 37 of 60
Bruners gland are characteristics feature ofCorrectIncorrect
Question 38 of 60
Which one dental formula represent a heterodont placental draught and tough animal?CorrectIncorrect
Question 39 of 60
Pollorum disease in fowls is caused byCorrectIncorrect
Question 40 of 60
Green muffler play a important role againstCorrectIncorrect
Question 41 of 60
Directions (Q. Nos. 41 to 60) These questions consist two statement each printed as Assertion and Reason.
Assertion Plasmids are single stranded extrachromosomal DNA.
Reason Plasmid are usually present in eukaryotic cells.CorrectIncorrect
Question 42 of 60
Assertion The megaspore mother cell divide by meiotic division to produce four spore.
Reason Megaspore Mother cell (MMC) are diploid and megaspore are haploid.CorrectIncorrect
Question 43 of 60
Assertion Living organisms are considered as a close system.
Reason Energy of living organism can not be lost or gained from external environment.CorrectIncorrect
Question 44 of 60
Assertion Medulla is considered as a respiratory centre in animals
Reason Rate of breathing is regulated by medulla because of the changes in O2 content of blood.CorrectIncorrect
Question 45 of 60
Assertion Tropical rain forest are rich in flora and fauna along with microbes on this biosphere.
Reason The low latitude humid tropics harbor the rain forest ecosystems.CorrectIncorrect
Question 46 of 60
Assertion Erythroblastosis foetalis is disease related with Rh factor and may cause death of developing foetus inside womb.
Reason It cause massive destruction of erythrocytes in foetus that leads to anaemia and tissue damage of foetus.CorrectIncorrect
Question 47 of 60
Assertion Radial vascular bundle is the characteristic of majority of the roots including dicots and monocots.
Reason Monocot stem is characterized by colletral open vascular bundle.CorrectIncorrect
Question 48 of 60
Assertion Due to excessive use of fertilizer and pesticides the available capillary water turns to hypotonic is relation to cell sap.
Reason The water molecule as a result diffuse out of the cells due to endosmosis.CorrectIncorrect
Question 49 of 60
Assertion Amphibian heart consist of two auricle and one ventricle.
Reason The deoxygenated blood is returned to heart through sinus venosus.CorrectIncorrect
Question 50 of 60
Assertion Humans are considered advanced from all its primates relatives because of the larger cranial capacity and high intelligence.
Reason A lumber curve is present in man which is also present in apes.CorrectIncorrect
Question 51 of 60
Assertion Chromosomes are divided into heterochromatin and euchromatin part.
Reason Heterochromatin are those regions of chromosome that remain condensed during interphase and rest of the non-condensed chromosome are called euchromatin.CorrectIncorrect
Question 52 of 60
Assertion Tongue is a gustatoreceptor.
Reason Receptors for gustatosensation are located in taste bud.CorrectIncorrect
Question 53 of 60
Assertion Aflatoxin are commercially produced by a species of aspergilla.
Reason These toxin are useful to mankind.CorrectIncorrect
Question 54 of 60
Assertion Mosses are might have originated from algae.
Reason Protonema of byrophytes is similar to some green algae.CorrectIncorrect
Question 55 of 60
Assertion Cartilage and bone are flexible and rigid connective tissue.
Reason Blood is a connective tissue.CorrectIncorrect
Question 56 of 60
Assertion Cell wall is generally absent in animal cell.
Reason Animal cells are covered by a cell membrane.CorrectIncorrect
Question 57 of 60
Assertion Holoblastic cleavage with almost equal sized blastomeres is a characteristics feature of placental mammals.
Reason Egg of most mammal including human are of centrolecithal type.CorrectIncorrect
Question 58 of 60
Assertion Most cells in human body release excessive amount of inflammatory chemicals which cause allergic reactions.
Reason Allergen present in environment on reaching human body stimulate mast cells in certain individuals.CorrectIncorrect
Question 59 of 60
Assertion In angiosperm, the conduction of water is more efficient because xylem contain vessels.
Reason Conduction of water by xylem vessels elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.CorrectIncorrect
Question 60 of 60
Assertion Gram negative bacteria do not retain the stain when washed with alcohol.
Reason The outer membrane of Gram negative (−ve) bacteria contain lipopolysaccharides, a part of which is integrated into membrane lipid.CorrectIncorrect