synthesis ?
(a) Mn (b) Mg (c) Cu (d) Fe. HSK pathway is also called as
(a) C2 cycle (b) C3 cycle (c) C4 cycle (d) none of these
3 Root pressure is higher when
(a) transpiration is very low and absorption is low (b) transpiration is very high and absorption is very high (c) transpiration is low and absorption is low
(d) transpiration is high and absorption is low.
Which ofthe following shows triploid nature in flowering plants ?
(a) megaspore (b) microspore (c) embryo ' (d) endosperm.
Masses of pollen grains i.e., pollinia is found in (a) orchidaceae (b) solanaceae (c) malvaceae (d) gramineae.
Bacteria protect themselves from viruses by fragmenting viral DNA upon entry with
(a) exonudease (b) endonuclease (c) gyrase (d) ligase.
The technique of production of monoclonal antibodies was developed by
(a) Fredrich and Meischer (b) Bentham and Hooker (c) Milstein and Kohier (d) Watson and Crick.
The secondary metabolite vinblastin is obtained from (a) Catharanthus roseus (b) Hibiscus rosasinensis (c) Aliumcepa (d) Riccia fluitans.
The sequence in m-RNA transcribed from a piece of DNA having a sequence ATTGCATCT is
(a) TAAATGGCC (b) UAACGUAGA (c) TAACGTAGA (d) AATTGCAGA.
The details of tricarboxylic acid path was worked out by (a) Meischer (b) Hans Krebs
(c) Pasteur (d) none of these.
The plant of this group are adapted to live partly in water and partly above substratum and free from water,
(a) xerophytes (b) thalophytes (c) helophytes (d) hydrophytes,
Lysosome, the suicidal bags were first observed by (a) Hooke (b) Golgi
(c) de Duve (d) none of these.
When stomata closes which of the following events does not occur?
(a) guard cell become flaccid (b) sugar is converted to starch (c) O.P of the guard cell decreases (d) accumulation of 02 takes place
Which of the following antibiotic is active against fungus?
(a) .streptomycin (b) polyenes (c) tetracycline (d) neomycin.
Which of the following is maintained for optimum production of vinegar ?
(a) anaerobic condition (b) temperature of 65°C (c) aerobic condition (d) microaerophilic condition.
During lytic life cycle of a virulent DNA phage which of the following does not occur?
(a) host cell produce large number of virions (b) the host cell lyse
(c) new phages are released
(d) the phage DNA integrated into the host chromosomes. Which of the following movement of plant occurs in response to shock stimulus?
(a) nyctinasty (b) thigmonasty (c) seismonasty (d) hyponasty.
In plant biotechnology, root tumours are induced in plant using the bacterium
(a) Agrobacterium rhizogenes (b) Agrobacterium basilis (c) Rhizobium (d) none of these.
The phenomenon of plasmolysis is evident when cells are kept in
(a) hypotonic solution (b) hypertonic solution (c) isotonic solution (d) none.
Which of the following is widely used as a successful biofertiliser in Indian rice field ?
(a) Rhizobium (b) Acacia arabica (c) Acaiypha indica (d) Azolla pinnata
In protoplast fusion the enzymes required (a) cellulase, hemiceliulase, pectinase (b) pectinase
(c) ligase, hemiceliulase (d) hemiceliulase. Bryophytes have probably evolved from (a) blue green algae (b) green algae (c) blue algae (d) red algae.
Shoot apical meristem is found on the tip of (a) plumule (b) radicle (c) root (d) apex.
Deuteromycetes are called imperfect fungi due to (a) lack of cell wall
(b) lack of sexual reproduction (c) lack of asexual reproduction (d) lack of vacuoles.
Single flower with multiple ovaries is called (a) composite fruit (b) simple fruit (c) aggregate fruit (d) none of these.
Bright coloured fleshy fruits are dispersed by (a) insect (b) air (c) water (d) bird.
Mycoplasma is not inhibited by penicillin as it lacks (a) cell wall (b) sexual reproduction (c) ribosomes (d) nucleus.
Group of algae in which sexual reproduction is absent (a) cyanophceae (b) bacillariophyceae (c) chlorophyceae (d) none of these.
Which one represents a mutualistic association of a fungus with the root of higher plant?
(a) mycorrhiza (b) mycoplasma (c) lichen (d) myxomycetes.
On the basis of r-RNA genes bacteria are divided into (a) Gram + ve and Gram - ve
(b) bacteria and archaebacteria (c) actinomycetes and mycoplasma (d) cyanobacteria and mycoplasma.
Which of the following is correct in plant cell? (a) bigger vacuole with rigid cell wall
(b) centriole take part in cell division
(c) centrosome are inactive in non-dividing ceil (d) absence of cell membrane.
3 Cactaceae stores water in leaves. It implies (a) ephemerals (b) drought resistants (c) annuals (d) non succulents.
Saccharum officinarum grows well in
(a) low temperature (b) swampy area ; (c) dry and arid condition (d) moist condition. j In stems of dicots, vascular cambium arises from • (a) procambium (b) cambium I (c) promeristem (d) protoderm.
Genetic information in a DNA molecule is coded in the I (a) no of bases (b) sequence of nucleotides I (c) length of DNA (d) number of nucleosides.
Parenchymatous cells filling the space between dermal ; and vascular tissue is
(a), ground tissue (b) epidermal tissue ; (c) pith (d) vascular bundles. | Guard cell regulates
(a) respiration (b) transpiration ; (c) photosynthesis (d) photorespiration.
Most of the cell membranes are principally composed of : (a) protein (a) (0 (a) (c) (a) (c) » (c)
In meiosis the chromosome replicate during prophase (b) metaphase anaphase (d) interphase. Closed vascular bundles are characterized by presence of cambium (b) absence of cambium both (d) none of these. Sunken stomata found in
xerophyte mesophyte Sphaerosomes contain cellulose reserve lipid reserve (b) (d) hydrophyte halophyte
(c) . protein and lipid
(b) lipid (d) cellulose.
(b) protein reserve (d) both protein and lipid.
Pneumatophores are characteristic features of (a) halophytes (b) xerophytes (c) hydrophytes (d) thalophytes.
Which is not an adaptive features in plants growing in physiological dry soil?
(a) pneumatophore (b) vivivary (c) sunken stomata
| (d) conducting tissues rudimentary.
Short twisted strands of hyphae which serves as anchors : for lichens
j (a) mycelium (b) rhizines (c) roots (d) rhizoids. The plant in which Hugo de Vries introduced the concept
1 of mutation
; (a) Oenothera tamarkiana (b) Pisum sativum ; (c) Allium cepa (d) Mirabilis jalapa.
A virus containing ssRNA act as a template for DNA • synthesis is called as
: (a) polio virus . (b) retro virus
•: (c) poxvirus (d) adenovirus. Which of the following is living fossil? i (a) Abies (b) Ginkgo biloba ; (c) Ephedra (d) Taxus.
Basidiospores are borne on the tip of ; (a) mycelium (b) ascocarp : (c) flagella (d) aplanospore.
Which of the following is more essential for the breaking of seed dormancy ?
; (a) Light (b) Heat (c) Cold (d) moisture. The phenomenon of sulphur shower in pine forest is due : to
(a) presence of sulphur (b) presence of insects (c) release of pollen grains in prodigious amount (d) large number of fruits
Cereals during germination derive their food from (a) starch (b) soil
(c) aleurone grains (d) embryo. The polymerase chain reaction is "a technique that (a) is used for in vivo replication of DNA
(b) is used for in vivo synthesis of mRNA (c) is used for in vitro synthesis of mRNA
(d) used for in vitro replication of specific DNA sequence using thermostable DNA polymerase.
Leaf mesophyiis are composed of
(a) pallisade parenchyma (b) spongy parenchyma (c) both of them (d) none of these.
55. There is no division of cytoplasm after mitosis then the condition will be
(a) one cell one nuclei (b) one cell with two nuclei (c) only one cell
(d) one cell without nucleus.
Which of the following antibiotic inhibits cell wall biosynthesis in actively dividing bacterial colonies?
(a) ciavicin (b) penicillin (c) ergotine (d) none of these. 5? In angiospermic bud condition floral bud is covered by whorls of
(a) petal (b) sepal (c) anther (d) stigma. ' Helically coiled shaped bacteria are called
(a) spirilla (b) cocci (c) bacilli (d) vibrio. Protein denaturation takes place by the activity of (a) water (b) heat
(c) enzyme (d) pressure. Site of gluconeogenesis is
(a) mitochondria (b) golgi bodies (c) glyoxysomes (d) none of these.
pH of gastric juice is
(a) 2 (b) 4 (c) 6 (d) 8.
Which blood group person can donate the blood to all other persons?
(a) A (b) B (c) AB . (d) 0. Spermatogenesis is promoted by
(a) oestrogen (b) progesterone (c) testosterone (d) oxytocin. 64. Number of cranial nerves in mammal are
(a) 10 pairs (b) 8 pairs (c) 12 pairs (d) 16 pairs. Nitrogenous waste in the Malpighian tubule flows into (a) haemocoel (b) vacuole
(c) intestine (d) duodenum.
66. Stage between larval moults is called as
(a) instar (b) morula (c) pupa (d) larva. 67. Name the type of tissue that form gland
(a) epithelial (b) muscular (c) squamous (d) cuboidal. Number of cervical vertebrae in mammal are (a) 7 (b) 8 (c) 12 (d) 6.
How much solar energy falling on leaf of plant is converted to chemical energy?
(a) 1% (b) 10% (c) 100% (d) 60%. 70. Transparent hairs on catkins and caterpillars function to?
(a) trap heat (b) trap moisture (c) reflect light (d) drink water.
In which area diurnal temperature in soil surface vary? (a) sea (b) lake (c) tundra (d) desert.
In which of the following organisms Malpighian tubule is found?
(a) honey bee (b) frog (c) Ascaris (d) rabbit. 73 type of eyes are found in insects (a) camera eye (b) red eye (c) normal eye * (d) compound eye. 74. Paramecium is a
(a) protozoan (b) bacterium (c) virus (d) annelid.
E. coli is a
(a) virus (b) bacterium (c) protozoan (d) none of these. Reflex arc consists of
(a) motor nerve (b) sensory nerve (c) both sensory and motor nerves
(d) none of these.
77. Which type of pyramid of energy is inverted ? (a) grass land (b) tree (c) both of these (d) none of these.
78, The major amount of C02 in both invertebrate and
vertebrate is transported as
(a) carbonic acid (b) carbamino haemoglobin (c) dissolved gas (d) none of these.
Which of the following is a hermaphrodite ? (a) ant (b) aphids (c)' earthworms (d) cockroach
8C Monoclonal antibodies are produced from which type of cells ?
(a) hybridoma (b) multinucleate (c) prokaryote (d) uninucleate. 81. Which is not a basic renal function ? (a) reabsorption (b) secretion (c) perfusion (d) filtration
Which atom is limiting the primary productivity mostly? (a) C (b) P (c) D (d) N.
Which of the following ecosystem has very little primary productivity?
(a) forest (b) river (c) sea (d) grass land. Which one ofthe following provide non specific pathogen defense for the body?
(a) T-cells (b) B-cells (c) phagocytes (d) stem cells Which of the following processes does not affect the nutrient flow in an ecosystem ?
(a) migration (b) parasitism (c) predation (d) production.
The number of carbon atom in citric acid is (a) 8 (b) 6 (c) 10 (d) 2.
In meiosis chromosome replicates during (a) prophase (b) metaphase (c) anaphase (d) interphase.
Most abundant lipid in cell membrane is (a) phospholipid (b) starch (c) oil (d) sulpholipid.
An organism contains carbon molecules which have passed through three levels of ecosystem. The organism is a (a) primary consumer (b) tertiary consumer (c) predator (d) producer. Cholesterol is a (a) phospholipid (c) steroid (b) wax (d) triglyceride. A molecule is reduced means it
(a) loses electron (b) gains proton (c) loses proton and electrons (d) gains electron.
Most common monomer of carbohydrate is (a) glucose (b) fructose (c) sucrose (d) maltose.
Mutations which normally happen randomly are considered one of the raw materials for evolution because they
(a) are stable
(b) contribute to new variation in organism (c) cause death of organism
(d) none of these.
H. M. S. Beagle is associated with which scientist (a) Darwin (b) Lamarck (c) Wallace (d) Columbus.
95, Human sperm moves by
(a) cilia (b) flagella (c) basal body (d) nudeosome.
In thyroid follicle which type of epithelial tissue is present?
(a) squamous (b) cuboidal (c) transitional (d) columnar.
Larva of jelly fish (Aurelia)
(a) planula (b) polyp (c) medusa (d) blastula.
98. How many pairs of homologous chromosomes are present in human ?
(a) 46 (b) 44 (c) 2 2 (d) 2 3 .
99. In anura group of frog, caudal vertebra fused to form (a) coccyx (b) urostyle (c) pygostyle (d) prehensile tail.
100 A person affected by disease having chromosome complement XXX is cailed/having
(a) klinefillter's syndrome (b) Down's syndrome (c) super female (d) Turner's syndrome.
10' Offsprings is mating between two pure strain is called (a) hybrid (b) super child
(c) hybridoma (d) none of these. 102. Which is not the cellular element of blood? (a) T-cell (b) B-cell (c) plasma (d) monocyte.
103.The end product of glycolysis is
(a) pyruvate (b) oxalo acetate (c) glucose (d) galactose.
104.The scientific name of peacock is
(a) Corvus splendens (b) Psittacula (c) Pavo cristatus (d) Cotumba livia.
105. Which of the following is the earliest era (a) coenozoic (b) mesozoic (c) paleozoic (d) pre-cambrian.
Wings of birds and forelimbs of horse are organs (a) analogous (b) homologus.
(c) vestigial (d) none of these. 107. Sickle cell anemia is most resistant to which disease ? (a) malaria (b) filaria
(c) dengue (d) chicken pox. 108, Helically coiled shaped "X" organ is found in (a) crustacea (b) porifera (c) insecta (d) amphibia.
109 Poikilotherms are also known as
(a) isotherm (b) ectotherm (c) endotherm (d) heterotherm.
110 Which is not a cat ?
(a) lion (b) tiger (c) cheetah (d) leopard. 111. Sperm cells are produced in
(a) seminiferous tubules (b) interstitial cells (c) epididymis (d) prostate gland.
In oogenesis a diploid cell produce ovum/ova (a) 1 (b) 2 (c) 3 (d) 4.
113. Larva is found in
(a) vertebrates (b) invertebrates (c) both (a) and (b) (d) none of these.
Organism with two different allele is (a) heterozygous and homozygous (b) heterozygous for the allele
(c) homozygous (d) none of these.
When organism is in same class but is not in same family, the taxonomic term is called as
(a) order (b) genus (c) species (d) family. Now unit of evolution is called
(a) population (b) genus (c) order (d) species.
Closely related species varying different in trait expresses
(a) convergent evolution (b) divergent evolution (c) parallel evolution (d) none of these.
Instead of tooth, baleen (hanging horny plates in mouth) are found in
(a) blue whale (b) shark
(c) dolphin (d) Archaeopterix. In oogenesis haploid egg is fertilized by sperm at which stage?
(a) primary oocyte (b) secondary oocyte (c) oogonium (d) ovum.
Osmosis is the diffusion of
(a) solute (b) free energy (c) water (d) solute and solvent.
ANSWER KEY 1 _ (b) 2. (C) 3. (a) 4. (d) (a) (b) ~t (c) (a) 9, (b) 10. (b) (c) 12: (c) 13. (d) 14. (b) (a) 16. (d) 17. (c) 1R (a) 19 (b) 20. (d) 21. (a) 22. (b) (a) 24. (b) 25. (c) (d) 27. (a) 28 (a) 29. (a) 30. (b) 31. (a) 32. (b) 33. (d) 34. (b) 35. (a) 36. (c) 37. (a) 38. (a) 39. (b) 40. (a) 41. (b) 42. (0 43. (a) 44. (c) 45. (b) 46. (a) 47. (b) 48. (b) 49* (a) 50 (d) 51. (c) ' 52. (c) 53. (d) j t . (c) 55. (b) 56. (b) 57. •(b) 58. (a) 59. (b) 60. (c) 61. (a) 62. (d) 63. (c) 64. (c) 65. (c) 66. (a) 67. (a) C O (a) 69. (a) 70. (b)
7 1 (d) 72. (a) 73. (d) 74, (a) 75. (b) 76. (c) 77. (d) 78. (a) 79. (c) 80. (a) 81. (c) 82. (a) (b) 84. (c) 85. (a) 86. (b) 87. (d) 88, (a) 89. (b) 90. (c) 91. (d) 92. (a) 93. (b) 94. (a) 95. (b) 96. (b) 97. (a) 98, (d) 99. (b) 100. (0 101. (a) 102. (c) 103. (a) 104. (c) 105. (c) 106. (b) 107. (a) 108. (a) 109. (b)
110. None of the options is correct. All animals given in the options belong to the cat family.
111. (a) 112. (a) 113. (c) 114. (b) 115. (a) 116. (a) 116. (c) 118, (a) 119. (b) 120. (c)
For detailed Solutions refer