AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

AIIMS online test series free for aiims 2018 MBBS Entrance Exams. The AIIMS question paper and with answer for AIIMS answer key 2018 and target 2018 AIIMS biology. This AIIMS test online are issued by (A.I.I.M.S.) All India Institute Of Medical Sciences

AIIMS online test series for free 2018 with a view to make the student strong-footed and thus help them come out with flying colours in Pre-Medical/Dental Examinations, 10 years question paper have meticulously prepared 40 question of AIIMS Biology with there answer given below students can download the test Series of biology. AIIMS biology syllabus - Anatomy of Flowering Plants, Animal Kingdom, Application of Biotechnology, Biodiversity And Conservation, Biological Classification, Biomolecules, Biotechnology Principles and Processes, Breathing And Exchange Of Gases, Cell, Cell Division, Chemical Control And Integration, Circulation of Body Fluids, Digestion And Absorption, Ecosystem, Environmental Issues, Evolution, Excretory Products And Their Elimination, Human Health Diseases etc.

General Instructions :
(i) This test consists of 40 questions and each question is allotted 4 marks for correct response.
(ii) Candidates will be awarded marks as stated above for correct response of each question. 1/4 mark will be deducted for indicating incorrect response of each question. No deduction from the total score will be made if no response is indicated for an item in the answer sheet.
(iii) There is only one correct response for each question. Filling up more than one response in any question will be treated as wrong response and marks for wrong response will be deducted according as per instructions.

Q1 What monohybrid ratio was obtained when Mendel crossed tall pea plant with the dwarf pea plant?

(a) 2.84 : 1
(b) 3.15 : 1
(c) 3.01 : 1
(d) 2.96 : 1

Q2 Reticulate venation is found in dicots but the exception (s) include (s)

(a) Calophyllum
(b) Eryngium
(c) Corymbium
(d) All of these

Q3 The first multicellular animals, from evolution point of view, which show tissue level of organisation are

(a) protozoans
(b) coelentrates
(c) platyhelminthes
(d) annelids

Q4 Maximum osmotic pressure is found in

(a) xerophytes
(b) mesophytes
(c) halophytes
(d) hydraophytes

Q5 The septum between the two lungs is

(a) mesovarium
(b) mesosalpinx
(c) mediastinum
(d) splenium

Q6 Varied local populations which are genetically similar but differ in morpho-physiological traits to suit particular environment are called

(a) ecotypes
(b) ecophenes
(c) ecocline
(d) sister population

Q7 Langerhans cells of epidermis of skin are a type of

(a) dendritic cells
(b) antigen presenting cells
(c) macrophages
(d) Both (a) and (b)

Q8 Rice fields are inoculated by a variety of nitrogen fixing cyanobacteria which include

(a) Aulosira
(b) Beuerinckia
(c) Clostridium
(d) Casuarina

Q9 The sorosis fruit of mulberry develops from

(a) intercalary spike of sterile flowers
(b) female catkin
(c) hypanthodium type of inflorescence
(d) None of the above

Q10 Given below is the L-form model of tRNA.
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)
Identify the component which contains pseudouridine.

(a) DHU Loop
(b) CCA Terminus
(c) Anticodon loop
(d) T Ψ C

Q11 Choose the incorrect statement regarding . dinoflagellates from the following options.

(a) They possess a non-contractile vacuole called pustule
(b) Gonyaulax catenella is poisonous to vertebrates
(c) They contain chlorophyll- α and c, xanthophylls and β -carotene
(d) Their life cycle involves zygotic meiosis or gametic meiosis

Q12 Match Column I with Column II and select the correct option from the codes given below.
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)
Codes

A B C D
(a) 2 3 4 1
(b) 3 4 1 2
(c) 1 2 3 4
(d) 4 1 2 3

Q13 A family has three children with blood groups A, B, and AB. The genotypes of parents are

Codes

AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

Q14 Which of the following is wrongly matched?

(a) Phaeophytin - Chlorophyll containing two central H2 atoms
(b) Thylakoid - reaction Reactions of photochemical phase
(c) P-protein - Synthesised in companion cells of gymnosperms
(d) Stroma reactions - Reactions of biosynthetic phase

Q15 In the eggs of amphibians, the yolk is concentrated in the vegetal half. Such eggs are known as

(a) centrolecithal eggs
(b) mesolecithal eggs
(c) homolecithal eggs
(d) telolecithal eggs

Q16 Choose the odd one out with respect to the examples of ureotelic animals.

(a) Amphibian tadpoles
(b) Turtles
(c) Alligators
(d) Cartilaginous fishes

Q17 The plant in which the gene of hirudin has been incorporated is

(a) Nicotiana glauca
(b) Solanum tuberosum
(c) Brassica napus
(d) Triticum turgidum

Q18 Corpora quadrigemina and crus cerebri are the components of

(a) rhombencephalon
(b) diencephalon
(c) prosencephalon
(d) mesencephalon

Q19 Match the type of crop plant diseases listed under Column I with their respective pathogens given under Column II and select the correct option from the codes given below.
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)
Codes

A B C D
(a) 3 2 4 1
(b) 2 4 1 3
(c) 1 3 2 4
(d) 4 1 3 2

Q20 Turbellarians are

(a) free living nematodes
(b) parasitic nematodes
(c) free living flatworms
(d) parasitic flatworms

Q21 Enzymes were discovered accidently in yeast cell extract by

(a) Buchner
(b) Kuhne
(c) Pasteur
(d) Sumner

Q22 Read the following statements carefully.
I. The mouth parts of cockroach and mosquito are homologous organs.
II. Neopilina is a connecting link between Annelida and Mollusca.
Choose the option with correct statements.

(a) Only I
(b) Only II
(c) I and II
(d) None of these

Q23 Pick out the incorrectly matched pair.

(a) Exocoetus - Flying fish
(b) Mystus - Catfish
(c) Anabas - Flatfish
(d) Hippocampus - Seahorse

Q24 The following graph depicts changes in two populations (A and B) of herbivores in grassy field. A possible reason for these changes is that
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

(a) Both plant populations in this habitat decreased
(b) population-B competed more successfully for food than population-A
(c) population-A produced more offspring than population-B
(d) population-A consumed the members of population-B

Q25 Age of giant molluscs is

(a) Ordovician period
(b) Cenozoic period
(c) Devonian period
(d) Permian period

Q26 Match the dental formulae given in Column I with the respective animals given in Column II and choose the correct option from the codes.
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

A B C D
(a) 1 4 3 2
(b) 2 3 4 1
(c) 3 2 1 4
(d) 4 3 1 2

Q27Which of the following statements are incorrect?
I Male gametes are flagellated in Ectocarpus
II Gametophyte is independent and free-living in Pinus.
III Perigynous flowers are found in China rose.
IV. Keel is the characteristic feature of flowers of Indigofera.

(a) II, III and IV
(b) I and III
(c) I, II and IV
(d) II and III

Q28 Which structure is formed at the time of exchange of gamete nuclei in the given animal during sexual reproduction?
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

(a) Cytoplasmic bridge
(b) Cytoplasmic filaments
(c) Internal tubule
(d) Plasmodesmata

Q29 Choose the incorrectly matched pair.

(a) Cope's law - Tendency of animals to size during evolution
(b) Mullerian mimicry - Two or more species resemble each other
(c) Living fossil of class Reptilia - Latimeria
(d) First fossil horse - Eohippus

Q30 Cobalt containing vitamin is

(a) Vitamin-B12
(b) Vitamin-B6
(c) Vitamin-B2
(d) Vitamin-B3

Q31 Match the nutritional disorders given in Column I with their respective deficient nutrients given in Column II and choose the correct option from the codes given below.
AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

A B C D
(a) 4 3 2 1
(b) 3 2 1 4
(c) 1 4 2 3
(d) 2 1 3 4

Q32 Seedless watermelons have. been obtained through

(a) vegetative propagation
(b) triploidy
(c) gibberellin application
(d) haploidy

Q33 Glycosidation of protein occurs over

(a) chloroplast
(b) ribosome
(c) mitochondrion
(d) endoplasmic reticulum

Q34 All of the following possess schizocoel, except

(a) Annelida
(b) Mollusca
(c) Echinoderrnata
(d) Arthropoda

Q35 Quiescent center in the middle of the root apical meristem was discovered by

(a) Eames
(b) Schmidt
(c) Hanstein
(d) Clowes

Q36 Inflorescence tendrils are found is

(a) Cardiospermurn
(b) Luffa
(c) Passiflora
(d) Cucurbita

Q37 Which among the following groups of animals possess rhabditiform larva during indirect development?

(a) Ancylostoma, Wchereria
(b) Ascaris, Enterbius
(c) Echiurus, Pontobdella
(d) Terebella, Arenicola

Q38 Species occurring in different geographical areas are called

(a) sympatric
(b) neopatric
(c) sibling
(d) allopatric

Q39 TS of stem are stained first with safranin and then with fast green. The color of phloem would be

(a) green
(b) red
(c) orange
(d) purple

Q40 The polysaccharide protion of a proteglycan present in the matrix of cartilage is know as

(a) ossein
(b) casein
(c) cartilagin
(d) chondroitin

AIIMS : Biology Test Series (Complete Syllabus with Answer Key)

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