1. Which of the following modifications does not occur in ER

Glycosylation

Carboxylation

Hydroxylation

Phosphorylation

2. Protein synthesis takes place in

Golgi Complex

Lysosomes

Endoplasmic Reticulum

Mitochondria

3. Which of the following is called the power houses of cell

Peroxisomes

Mitrochondria

Nucleus

Golgi Complex

4. Lysosomal Membranes become unstable in the presence of

Cholesterol

Cortisal

Cortisone

Progesterone

5. Coenzyme Q acts as mobile carrier between which complexes of Mitochondria

Complex I and III

Complex III and IV

Complex I and II

Complex II and IV

6. Chromosomes are in their most extended state during

Prophase

Interphase

Anaphase

Metaphase

7. Homologous chromosomes segregate during

Mitosis

Metaphase-I

Metaphase-II

Fertilization

8. If a heterozygous is crossed with pure recessive the offspring will be percent pure recessive.

100%

75%

50%

25%

9. How many characters were studied by Mendel in the experiments on peas







7

10. Chromosome with centromere in the middle are called

Acrocentrics

Telocentric

Metacentric

Submetacentric

11. A mutation due to deletion or insertion of one or a few nucleotides is called

Sense mutation

Non-sense mutation

Missense mutation

Frameshift mutation

12. Which of the histones does not take part in octamer formation

H2A

H2B

H3

H1

13. The ribosomes of animal cells are

80 S

70 S

65 S

55 S

14. RNA is synthesized in

Endoplasmic Reticulum

Nucleus

Ribosomes

Peroxisomes

15. Scorpion belongs to which category

Insects

Arachnids

Brachiopoda

Crustacea

16. Which of the following is not a larval stage of liver fluke

Miracidium

Sporocyst

Cysticercus

Cercaria

17. Flame cells are associated with which system

Circulatory

Digestive

Excretory

Nervous

18. Metameric segmentation is found in

Annelida

Nematoda

Urochordata

Cephalochordata

19. Name the free swimming larva of Sycon

Planula

Amphiblastula

Ephyra

Redia

20. Regeneration is absent in

Fasciola

Planaria

Schistosoma

Both and

21. Syncytial epidermis occurs in

Ascaris

Hydra

Taenia

Leucosolenia

22. Locomotion in Earthworm is directly facilitated by

Mucus

Segmentation

Contraction fo segments

Setal and contraction of segments

23. Organisation present in Echinodermata is

Cell-Tissue level

Tissue level

Organ level

Organ-system level

24. Which of the following is hermaphrodite

Pila

Unio

Earthworm

Cockroach

25. In sponges food particles are ingested by

Thesocytes

Pinacocytes

Myocytes

Choanocytes

26. Respiratory organs of a scorpion are called

Tracheae

Book gills

Book lungs

Gills

27. Which of the following is deuterostome

Starfish

Sea anemone

Ant

Octopus

28. Which is an exclusive chordate character

True coelom

Pharyngeal gill slits

Bilateral Symmetry

Triploblastic

29. Red blood cells are nucleated in

Rat

Cat

Frog

Rabbit

30. Poison glands of snakes are modified

Salivary glands

Lacrymal glands

Thyroid glands

Oil glands

31. In addition to mammals diaphragm is also present in

Crocodiles

Toads

Fishes

Birds

32. Sound box of birds is called

Pygostyle

Larynx

Syrinx

Synsacrum

33. Exoskeleton is absent in

Scoliodon

Frog

Tiromastix

Pigeon

34. Craniostylic jaw suspension is present in

Scoliodon

Lizard

Pigeon

Rabbit

35. Interclavical is absent in

Uromastix

Parrot

Columba

Rabbit

36. Frog does not have

Caudal vertebrae

Sacral vertebrae

Trunk vertebrae

Typical cervical

37. Teeth of uromastix are

Homodont

Acrodont

Thecodont

Polyphyodont

38. Duodenum is absent in

Frog

Lizard

Scolioden

Rabbit

39. Sacculus rotundus is present in

Rabbit

Reptiles

Amphibian

Fishes

40. Rectal glands are present in

Fish

Frog

Birds

Mammals

41. Foramen Panizzae is present in

Scoliodon

Uromastix

Rana

Columba

42. Corpus callosum is developed in

Amphibians

Reptiles

Mammals

Birds

43. Ungulates have

Duplex uterus

Bipartite uterus

Bicornuate uterus

Simplex uterus

44. The vertebra with flat centrum at both ends is called

Amphicoelus

Opisthocoelus

Heterocoelus

Acoelous

45. Four chambers are present in stomach of

Ruminants

Carnivores

Insectivores

Primates

46. Pancreas produces

Three digestive enzymes and one hormone

Three types of digestive enzymes and two hormones

Two digestive enzymes and one hormone

Three digestive enzymes and no hormone

47. Enzymes taking part in Glycolysis are present in

Mitochondria

Cytoplasm

Peroxisomes

Vacuoles

48. Final electron acceptor in Respiration

Hydrogen

Oxygen

Cytochrome

Dehydrogenase

49. Hepatic portal system has route from

Digestive system to liver

Kidney to liver

Liver to heart

Liver to kidney

50. All veins have deoxygenated blood except

Hepatic vein

Renal vein

Hepatic portal vein

Pulmonary veins

51. Arbor vitae is composed of

Grey Matter

White matter

Neuroglial cells

All of above

52. Acetylcholine takes part in

Enhancing membrane permeability

Synaptic termission

Synaptic delay

None of above

53. Neurotransmitter between neuron and muscle cell is

Dopamine

Serotonin

Endorphin

Acetylcholine

54. Part of brain controlling balance and coordination is

Cerebellum

Medula oblongata

Hypothalamus

Cerebrum

55. FSH acts on

Sertoli cells

Leydig cells

Cowper's gland

Spermatocytes

56. Resting potential of membrane is

60 mv

75 mv

70 mv

70 mv

57. Rhinocoel is cavity of

Cerebral hemispheres

Olfactory lobes

Diencephalon

Cerebellum

58. Which of the following is not synaptic component

Nerve cell

Terminal Knob

Gland

Muscle fibre

59. Valves are present in

Arteries

Veins

Both arteries and veins

None of these

60. Which of the following cannot excrete hypertonic urine but can considerably reduce water loss in urine

Camel

Marsupial rat

Birds

Horse

61. During beating of heart, in which region will highest pressure develop

Left Atrium

Left ventricle

Right ventricle

Pulmonary artery

62. Which secretion released into alimentary canal, contains no enzyme but speeds up fat digestion

Bile

Intestinal juice

Mucus

Pancreatic juice

63. Homeostasis requires which kind of control mechanism

Positive feedback

Negative feedback

Large surface area volume ratio

Counter current exchange

64. Eutherian placenta is derived from

Allantois

Amnion

Chorion and Allantois

Yolk sac

65. The nervous system is derived from

Ectoderm

Endoderm

Mesoderm

Ectomesoderm

66. The process in which cells become variable in morphology and function in different regions of the embryo is

Differentiation

Determination

Organisation

Metamorphosis

67. Spermiogenesis changes

Spermatogonia to spermatocytes

Pri-spermatocyte to sec. spermatocytes

Spermatid to sperm

Sec. spermatocyte to spermatid

68. Type of cleavage in an egg is determined by

Number of egg membranes

Amount and distribution of yolk

Size and location of nucleus

Shape and size of sperm

69. In the development of frog, Gastrulation involves

Epiboly

Emboly

Invagination

All of above

70. A Polyestrous mammal is

Man

Cat

Horse

Camel

71. Egg of frog is

Centrolecithal

Isolecithal

Telolecithal

Microlecithal

72. Ovulation occurs under the influence of

LH

FSH

Estrogen

Progesterone

73. Who gave the first definition of ecology

Reiter

Haeckel

Odum

Tansley

74. The transitional zone where 2 different communities meet is called

Ecoline

Ecotone

Ecotype

Niche

75. Study of population ecology is called

Synecology

Demecology

Phytosociology

Ecosystem

76. Biological equilibrium is an equilibrium amongst

Producers and decomposers

Producers and consumers

Producers, consumers and decomposers

Consumers and decomposers

77. The second dominant trophic level in a lake ecosystem is

Zooplankton

Benthos

Phytoplankton

Nekton

78. The type of food chain in which the energy rich organic compounds (matter) produced by producers is decomposed by microbes and is converted to energy rich compounds is called

Grazing food chain

Parasitic food chain

Predator food chain

Detritus food chain

79. The ecological pyramid is a graphic diagram that shows relationship between

Organisms

Various trophic levels of food chain

Populations and communities within an ecosystem

Transfer of food through food chain

80. Which pyramid can never occur in an inverted form

Pyramid of Numbers

Pyramid of Energy

Pyramid of Biomass

Pyramid of Species richness

81. Which gas was liberated during Bhopal Gas Tragedy

Ethyl isocyanate

Methyl isocyanate

Sodium isothiocyanate

Phenyl isocyanate and Phosgene

82. PAN (Peroxyacylnitrate) is a secondary pollutant and is found in

Smog

Fertilizer

Herbicide

Pesticides

83. Itai-Itai a bone softening disease is due to the effect of

Mercury

Zinc

Cadmium

Lead

84. E. coli is used as an indicator organism to determine pollution of water with

Industrial effluents

Pollen of aquatic plants

Heavy metals

Fecal matter

85. Spontaneous generation theory of origin of life was disproved through experiments using swanneck flasks by

Van Helmont

Spallanzani

Louis Pasteur

Reeti

86. Which of the following is living fossil

Euglena

Limulus

Sycon

Balanoglossus

87. Which of the following is not vestigeal organ in man

Nictitating membrane

Epiglottis

Vermiform appendix

Muscles of pinna

88. Connecting link between Annelida and Mollusca is

Cuttle fish

Octopus

Neopilina

Nautilus

89. Reappearance of certain ancesteral characters is called

Anabolism

Catabolism

Atavism

Metabolism

90. Darwin's finches refer to

Snakes present at Galapagos Islands

Birds present at the Galapagos Islands

Fins of fishes collected by Darwin

Feathers collected by Darwin

91. Which of the following is responsible for evolution according to Neo-Darwinism

Mutation

Natural selection

Mutations and Natural selection

None of these

92. Reproductive isolation results in

Differentiation of species

Evolutionary Divergences

Extermination of species

Maintenance of species

93. Who gave the theory of Pangenes

Correns

Mendel

Hugo-de-Vries

Darwin

94. Ontogeny repeats phylogency. This is

Pauling law

Hardy-Weinberg law

Biogenetic law

Thomas law

95. Occurrence of endemic species in South America and Australia is due to

Extinction of these species from other regions

Continental separation

Absence of terrestrial route to these places

Retrogressive evolution BKU-14157-A 14

96. Parallelism is

Adaptive divergence in evolution

Adaptive convergence of widely different species in evolution

Adaptive convergence of closely related species in evolution

None of above

97. Remains of most recent fossil of man that have been known are those of

Cro Magnon

Java Man

Peking Man

Heidelberg man

98. Homo niabilus originated in

Miocene

Oligocene

Pleistocene

Holocene

99. A species is collection deme. A deme is a group of

Genes

Individuals

Chromosomes

Populations with a common gene pool

100. Relationship in an ecosystem can be depicted through

Pyramid of energy

Pyramid of numbers

Pyramid of isomers

All of above

101. Which of the following is not a poisonous snake

Krait

Viper

Rat snake

Cobra

102. Seamia inferens is pest of

Wheat

Sugarcane

Paddy

Cotton

103. Common pest of cotton crop is

Platyendra gossypiella

Sesamia inferens

Leptocorisa variocornis

Pyrilla perpusilla

104. Stored grains and Pulses are infested by

Callosobruchus

Tribolium

Rhizopertha

All of above

105. Seasonal movements of animals from one defined place of residence to another is called

Dispersal

Migration

Homings

Emigration

106. In most ecosystems greatest amount of energy flows through the

Secondary consumers

Herbivores

Carnivores

Decomposers

107. Lymph hearts are absent in

Fishes

Amphibians

Reptiles

Mammals

108. From which of the following urea is formed

Fat

Glycerol

Proteins

Starch

109. Which type of cells stimulate the release of Adrenalin

White blood cells

Muscle cell

Pancreatic cell

Red blood cell

110. Sweat glands are epidermal glands found in

All birds

Reptiles

Mammals

Birds and Reptiles

111. Extinct reptiles had the skull type of

Anapsid

Parapsid

Diapsid

Synapsid

112. Book lice belongs to the order

Mallophaga

Anolura

Homoptera

Psocoptera

113. Best quality of silk comes from

Attacus ricini

Antheraca myllata

Bombyx mori

Apis mellifera

114. Kissing bugs transmit

Sleeping sickness

Chagas disease

Oriental sore

Malaria

115. The species of Plasmodium that attacks young erythrocytes

P. ovale

P. falciparum

P. vivax

Both and

116. The host of lac insect is

Mango

Peepal

Neem

Eucalyptus

117. Concentration of urine depends on

Length of loop of Henle

PCT

DCT

Intake of water

118. What regulates Heart beat

S A node

Cardiac branch of Vagus nerve

Purkinje fibres

AV node

119. In which form, CO2 is mostly carried in the blood

Sodium carbonate

Carbonic acid

Bicarbonate ions

Carbamino haemoglobin

120. Enterokinase takes part in the conversion of

Pepsinogen to pepsin

Trypsinogen to trypsin

Protein to polypeptides

Caseinogen to casein