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NEET Biology Chapter Wise Mock Test – Solved Paper 2015

NEET Biology Chapter Wise Mock Test – Solved Paper 2015

1. Read the different components from I to IV in the . list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem
I. Secondary cortex II. Wood
III. Secondary phloem IV. Phellem
The correct order is

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

2. Chromatophores take part in
(a) photosynthesis
(b) growth
(c) movement
(d) respiration

3. Which of the following joints would allow no movement?
(a) Fibrous joint
(b) Cartilaginous joint
(c) Synovial joint
(d) Ball and socket joint

4. The wheat grain has an embryo with one large, shield-shaped cotyledon known as
(a) epiblast
(b) coleorrhiza
(c) scutellum
(d) coleoptile

5. A gene showing codominapce has
(a) one allele dominant on the other
(b) alleles tightly linked on the same chromosome
(c) alleles that are recessive to each other
(d) both alleles independently expressed in the heterozygote

6. Which of the following structure is not found in a prokaryotic cell?
(a) Nuclear envelope
(b) Ribosome
(c) Mesosome
(d) Plasma membrane

7. The term “linkage” was coined by
(a) TH Morgan
(b) T Boveri
(c) G Mendel
(d) W Sutton

8. The imperfect fungi which are decomposers of litter and help in mineral cycling belong to
(a) Deuteromycetes
(b) Basidiomycetes
(c) Phycomycetes
(d) Ascomycetes

9. Match the columns and identify the correct option
NEET Biology Chapter Wise Mock Test - Solved Paper 2015 1
Codes
A B C D     A B C D
(a) 4 3 1 2    (b) 3 4 1 2
(c) 3 14  2   (d) 3 4 2 1

10. Select wrong statement.
(a) The viroids were discovered by DJ Ivanowski.
(b) WM Stanley showed that viruses could be crystallized. .
(c) The term ‘contagium vivum fluidum’ was coined by MW Beijerinek.
(d) Mosaic disease in tobacco and AIDS in human being are caused by viruses.

11. During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
(a) leghaemoglobin
(b) xanthophyll
(c) carotene
(d) cytochrome

12. The species confined to a particular region and not found elsewhere is termed as
(a) keystone
(b) alien
(c) endemic
(d) rare

13. Which one of the following hormones is not involved in sugar metabolism?
(a) Cortisone
(b) Aldosterone
(c) Insulin
(d) Glucagon

14. Which of the following is not a function of the skeletal system?
(a) Production of erythrocytes
(b) Storage of minerals
(c) Production of body heat
(d) Locomotion

15. Which one of the following is not applicable to RNA?
(a) Complementary base pairing
(b) 5′ phosphoryl and 3′ hydroxyl ends
(c) Heterocyclic nitrogenous bases
(d) Chargaff’s rule

16. Which one is a wrong statement?
(a) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.
(b) Mucor has biflagellate zoospores.
(c) Haploid endosperm is typical feature of gymnosperms.
(d) Brown algae have chiorophyll-a and c,and fucoxanthin

17. A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is
(a) Gamete Inseminated Fallopian Transfer
(b) Gamete Intra Fallopian Transfer
(c) Gamete Internal Fertilization and Transfer
(d) Germ Cell Internal Fallopian Transfer

18. The wings of a bird and the wings of an insect are
(a) homologous structures and represent divergent evolution
(b) analogous structures and represent convergent evolution
(c) phylogenetic structures and represent divergent evolution
(d) homologous structures and represent convergent evolution

19. Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of
(a) vitamin-B
(b) vitamin-C
(c) omega 3
(d) vitamin-A

20. Outbreeding is an important strategy of animal husbandry because it
(a) help in accumulation of superior genes
(b) is useful in producing purelines of animals
(c) is useful in overcoming inbreeding depression
(d) exposes harmful recessive genes that are eliminated by selection

21. Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?
(a) Antidiuretic hormone
(b) Luteinizing hormone
(c) Prolactin
(d) Melanocyte stimulating hormone

22. An association of individuals of different species living in the same habitat and having functional interactions is
(a) ecological niche
(b) biotic community
(c) ecosystem
(d) population

23. In which of the following both pairs have correct combination?
(a) Gaseous nutrient cycle Carbon and nitrogen
Sedimentary nutrient cycle Sulphur and phosphorus
(b) Gaseous nutrient cycle Carbon and sulphur
Sedimentary nutrient cycle Nitrogen and phosphorus
(c) Gaseous nutrient cycle Nitrogen and sulphur
Sedimentary nutrient cycle Carbon and phosphorus
(d) Gaseous nutrient cycle Sulphur and phosphorus
Sedimentary nutrient cycle Carbon and nitrogen

24. Identify the correct order of organisation of genetic material from largest to smallest
(a) chromosome, gene, genome, nucleotide
(b) genome, chromosome, nucleotide, gene
(c) genome, chromosome, gene, nucleotide
(d) chromosome, genome, nucleotide, gene

25. A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is
(a) Eptatretus
(b) Myxine
(c) Neomyxine
(d) Petromyzon

26. Industrial melanism is an example of
(a) Neo Darwinism
(b) Natural selection
(c) Mutation
(d) Neo Lamarckism

27. Cell wall is absent in
(a) Aspergillus
(b) Funaria
(c) Mycoplasma
(d) Nostoc

28. The chitinous exoskeleton of arthropods is formed by the polymerisation of
(a) keratin sulphate and chondroitin sulphate
(b) D-glucosamine
(c) N-acetyl glucosamine
(d) lipoglycans

29. Filiform apparatus is characteristic feature of
(a) generative cell
(b) nucellar embryo
(c) aleurone cell
(d) synergids

30. In angiosperms, microsporogenesis and megasporogenesis
(a) occur in anther
(b) form gametes without further divisions
(c) involve meiosis
(d) occur in ovule

31. Metagenesis refers to
(a) the presence of different morphic forms
(b) alternation of generation between asexual and sexual phases of an organism
(c) occurrence of a drastic change in form during post-embryonic development
(d) the presence of a segmented body and parthenogenetic mode of reproduction

32. Which of the following immunoglobulins does constitute the largest percentage in human milk?
(a) IgD
(b) IgM
(c) IgA
(d) IgG

33. Destruction of the anterior horn cells of the spinal cord would result in loss of
(a) sensory impulses
(b) voluntary motor impulses
(c) commissural impulses
(d) integrating impulses

34. The cutting of DNA at specific locations became possible with the discovery of
(a) restriction enzymes
(b) probes
(c) selectable markets
(d) ligases

35. In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree
NEET Biology Chapter Wise Mock Test - Solved Paper 2015 2
(a) Autosomal dominant
(b) X-linked recessive
(c) Autosomal recessive
(d) X-linked dominant

36. A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind?
(a) 0.5
(b) 1
(c) Nil
(d) 0.25

37. Flowers are unisexual in
(a) pea
(b) cucumber
(c) china rose
(d) onion

38. Roots play insignificant role in absorption of water in
(a) sunflower
(b) Pistia
(c) pea
(d) wheat

39. Balbiani rings are sites of
(a) lipid synthesis
(b) nucleotide synthesis
(c) polysaccharide synthesis
(d) RNA and protein synthesis

40. Which of the following pairs is not correctly match?
NEET Biology Chapter Wise Mock Test - Solved Paper 2015 3

41. Ectopic pregnancies are referred to as
(a) pregnancies with genetic abnormality
(b) implantation of embryo at site other than uterus
(c) implantation of defective embryo in the uterus
(d) pregnancies terminated due to the hormonal imbalance

42. Choose the wrong statement.
(a) Penicillium is multicellular and produces antibiotics.
(b) Neurospora is used in the study of biochemical genetics.
(c) Morels and truffles are poisonous mushrooms.
(d) Yeast is unicellular and useful in fermentation.

43. The function of the gap junction is to
(a) performing cementing to keep neighbouring cells together
(b) facilitate communication between adjoining, cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules
(c) separate two cells from each other
(d) stop substance from leaking across a tissue

44. Axile placentation is present in
(a) dianthus
(b) lemon
(c) pea
(d) Argemone

45. Which of the following are not membrane bound?
(a) Vacuoles
(b) Ribosomes
(c) Lysosomes
(d) Mesosomes

46. In his classic experiments on pea plants, Mendel did not use
(a) seed colour
(b) pod length
(c) seed shape
(d) flower position

47. During ecological succession
(a) the gradual and predictable change in species composition occurs in a given area
(b) the establishment of a new biotic community is very fast in its primary phase
(c) the numbers and types of animals remain constant
(d) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community.

48. The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of
(a) ammonia
(b) potassium urate
(c) urea
(d) calcium carbonate

49. Which of the following biomolecules does have a phosphodiester bond?
(a) Fatty acids in a diglyceride
(b) Monosaccharides in a polysaccharide
(c) Amino acids in a polypeptide
(d) Nucleic acids in a nucleotide

50. The UN conference of Parties on climate change in the year 2012 was held at
(a) Durban
(b) Doha
(c) Lima
(d) Warsaw

51. Arrange the following events of meiosis in correct sequences
I. Crossing over
II. Synapsis
III. Terminalisation of chiasmata
IV. Disapperance of nucleolus

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

52. Root pressure develops due to
(a) active absorption
(b) low osmotic potential in soil
(c) passive absorption
(d) increase in transpiration

53. Which one of the following animals has two separate circulatory pathways?
(a) Frog
(b) Lizard
(c) Whale
(d) Shark

54. Which of the following events in not associated with ovulation in human female?
(a) Decrease in oestradiol
(b) Full development of Graafian follicle
(c) Release of secondary oocyte
(d) LH surge

55. Most animals that in deep oceanic water are
(a) primary consumers
(b) secondary consumers
(c) tertiary consumers
(d) detritivores

56. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
(a) Fibrinogin in plasma
(b) Serum albumins
(c) Haemocytes
(d) Serum globulins.

57. The structures that help some bacteria to attach to rocks and/or host tissues are
(a) rhizoids
(b) fimbriae
(c) mesosomes
(d) holdfast

58. Increase in concentration of the toxicant at successive tropic levels is known as
(a) biomagnification
(b) biodeterioration
(c) biotransformation
(d) biogeochemical cycling

59. Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum
(a) Coelenterata
(b) Porifera
(c) Mollusca
(d) Protozoa

60. The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements involved in this reaction?
(a) Manganese and chlorine
(b) Manganese and potassium
(c) Magnesium and molybdenum
(d) Magnesium and chlorine

61. The primary dentition in human differs from permanent dentition in not having one of the following type of teeth
(a) Canine
(b) Premolars
(c) Molars
(d) Incisors

62. Coconut water from a tender coconut is
(a) immature embryo
(b) free nuclear endosperm
(c) innermost layers of the seed coat
(d) degenerated nucellus

63. Which of the following layers in an antral follicle is acellular?
(a) Granulosa
(b) Theca interna
(c) Stroma
(d) Zona pellucida

64. The introduction of f DNA into plants involves
(a) infection of the plant by Agrobacterium tumefaciens
(b) altering the pH of soil, heat-shocking the plants
(c) exposing the plants to cold for a brief period
(d) allowing the plant roots to stand in water

65. In which group of organisms the cell walls form two thin overlapping shells which fit together?
(a) Chrysophytes
(b) Euglenoids
(c) Dinoflagellates
(d) Slime moulds

66. Human urine is usually acidic because
(a) the sodium transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries –
(b) excreted plasma proteins are acidic
(c) potassium and sodium exchange generates acidity
(d) hydrogen ions are actively secreted into the filtrate

67. In photosynthesis, the light-independent reactions take place at
(a) thylakoid lumen
(b) photosystem I
(c) photosystem lI
(d) stromal matrix

68. In mammalian eye, the ‘fovea’ is the center of the visual field, where
(a) high density of cones occur, but has no rods
(b) the optic nerve leaves the eye
(c) only rods are present
(d) more rods than cones are found

69. The DNA molecule to which the gene of interest is integrated for cloning is called
(a) transformer
(b) vector
(c) template
(d) carrier

70. Pick up the wrong statement.
(a) Cell wall is absent in Animalia.
(b) Protista have photosynthetic and heterotrophic modes of nutrition.
(c) Some fungi are edible.
(d) Nuclear membrane is present in Monera.

71. Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
(a) Five
(b) Six
(c) Three
(d) Four

72. Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
(a) Pleurisy
(b) Emphysema
(c) Pneumonia
(d) Asthma

73. A column of water within xylem vessels of tall trees does not break under its weight because of
(a) dissolved sugars in water
(b) tensile strength of water
(c) lignification of xylem vessels
(d) positive root pressure

74. Acid rain is caused by increase in the atmospheric concentration of
(a) SO 2 and NO 2
(b) S03 and CO
(c) C02 and CO
(d) 03 and dust

75. The enzyme that is not present in succus entericus is
(a) maltase
(b) nucleases
(c) nucleosidase
(d) lipase

76. In which of the following interactions both partners are adversely affected?
(a) Competition
(b) Predation
(c) Parasitism
(d) Mutualism

77. Match the following list of microbes and their importance
NEET Biology Chapter Wise Mock Test - Solved Paper 2015 4
Codes
A B C D A B C D
(a) 3 4 1 2 (b) 4 3 2 1
(c) 4 2 1 3 (d) 3 1 4 2

78. A pleiotropic gene
(a) is expressed only in primitive plants
(b) is a gene evolved during Pliocene
(c) controls a trait only in combination with another gene
(d) controls multiple traits in an individual

79. A protoplast is a cell
(a) without plasma membrane
(b) without nucleus
(c) undergoing division
(d) without cell wall

80. Which of the following are most suitable indicators of S02 pollution in the environment?
(a) Lichens
(b) Conifers
(c) Algae
(d) Fungi

81. Grafted kidney may be rejected in a patient due tov
(a) humoral immune response
(b) cell-mediated immune response
(c) passive immune response
(d) innate immune response

82. Which one of the following fruits is parthenocarpic?
(a) Brinjal
(b) Apple
(c) Jackfruit
(d) Banana

83. Which of the following diseases is caused by a protozoan?
(a) Syphilis
(b) Influenza
(c) Babesiosis
(d) Blastomycosis

84. In human females, meiosis-II is not completed until
(a) puberty
(b) fertilization
(c) uterine implantation
(d) birth

85. Male gametophyte in angiosperms produces
(a) two sperms and a vegetative cell
(c) single sperm and two vegetative cells
(d) three sperms

86. Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
(a) AV valves open up
(b) Ventricular walls vibrate due to gushing in of blood from atria
(c) Semilunar valves close down after the blood flows into vessels from ventricles
(d) AV node receives signal from SA node

87. Auxin can be bioassayed by
(a) Avena coleoptile curvature
(b) hydroponics
(c) potometer
(d) lettuce hypocotyl elongation

88. Satellite DNA is important because it
(a) codes for proteins needed in cell cycle
(b) shows high degree of polymorphism in population and also the same degree of polymorphism in an individual, which is heritable from parents to children
(c) does not code for proteins and is same in all members of the population
(d) codes for enzymes needed for DNA replication

89. Cellular organelles with membranes are
(a) nuclei, ribosomes and mitochondria
(b) chromosomes, ribosomes and endoplasmic reticulum
(c) endoplasmic reticulum, ribosomes and nuclei
(d) lysosomes, Golgi apparatus and mitochondria.

90.Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of
(a) food
(b) light
(c) essential minerals
(d) oxygen

Answers :
NEET Biology Chapter Wise Mock Test - Solved Paper 2015 5

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