Ques. The leaves of Azolla house the colonies of
(a) Rhizobium
(b) Azotobacter
(c) Anabena
(d) Azospirillum
Ques. Ligase enzyme is used for
(a) Joining bits of DNA
(b) Splitting DNA threads into small bits
(c) Dnaturation
(d) None of these
Ques. 2-4-Dichlorophenoxy acetic acid is a
(a) Flowering hormone
(b) Herbicide
(c) Pesticide
(d) Rooting hormone
Ques. Inflammatory responses are intensified by
(a) lymphocytes
(b) Monocytes
(c) Neutrophils
(d) Basophils
Ques. An example of triploid plant is
(a) Wheat
(b) Banana
(c) Mango
(d) Orange
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Ques. A cell wall material of bacteria is stained by
(a) Sudan IV
(b) Crystal violet
(c) Safranin
(d) Both (b) and (c)
Ques. The term plasmamembrane was given by
(a) Robertson
(b) Nageli
(c) N. Grew
(d) J.Q. Plowe
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Ques. Cellulose is
(a) Hexosan polysaecharide
(b) Pentosan polysaccharide
(c) hepto polysaccharide
(d) Heteropolysacharide
Ques. The number of chromosomes in microspore mother cell of pisum sativum is
(a) 7
(b) 14
(c) 21
(d) 28
Ques. The anticoagulant heparin is produced by
(a) Basophils and macrophages
(b) Mast cells and eosinophils
(c) Ensinophils and Fibroblasts
(d) Mast cells and basophils
Ques. Weismann Propounded
(a) Vital force theory
(b) Gene pool theory
(c) Germ plasm theory
(d) Protoplasm theory
Ques. Which one of the following is not a mutagen?
(a) Ethyl methane sulphonate
(b) Acetic acid
(c) Nitrous acid
(d) Ethylene oxide
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Ques. In human, sex linked trait is
(a) Down’s syndrome
(b) Colour blindness
(c) Curly hair
(d) Sickle cell anaemia
Ques. Non-essential element for the proper growth of plant is
(a) Cobalt
(b) Magnesium
(c) Chlorine
(d) Calcium
Ques. The basic approaches to human genetics are
(a) Tissue culture techniques
(b) Cytological techniques
(c) Technique pedigree record
(d) All the above
Ques. Because most of the amino acids are represented by more than one codon, the genetic code is said to be
(a) Overlapping
(b) Degenerate
(c) Generate
(d) Wobbling
Ques. Out of 206 bones in man six occur in
(a) Skull
(b) Middle ear
(c) Pectoral girdle
(d) Hind limb
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Ques. Which of the following plant is able to show rolling of leaf during mid of the day?
(a) Nerium
(b) Melia
(c) Amophila
(d) All of the above
Ques. Who is credited with the formula of a balanced solution of mineral elements for the growth of plants?
(a) Went
(b) Knop
(c) Hill
(d) Emerson
Ques. In man the entery of food into internal nares, during the act of swallowing, is prevented by
(a) Epiglottis
(b) Uvula
(c) Muscles of gullet
(d) None of these
Ques. hCGH is secreted by
(a) Trophoblastics cells
(b) Inerstitial cells
(c) Placenta
(d) Mature ovum
Ques. In most of the cereals, stomata close during the night and open for a few hours during the day. This comes under
(a) Barley type
(b) Potato type
(c) Alfa alfa type
(d) Bean type
Ques. Atretic follicle is
(a) Which are not developed completely and degenerate
(b) Other name of which corpus luteum
(c) Which excluded its oocytes
(d) None of the above
Ques. Avena coleoptile test of find out the amount of growth promoting hormones was discovered by
(a) F.W. Went
(b) L.I. Oudus
(c) K.V. Thimann
(d) F. Skoog
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Ques. Sex in unisexual plants can be changed by the application of
(a) Ethanol and ABA
(b) Auxin and GA
(c) Cytokinin and ABA
(d) ABA and ethylene
Ques. Cochlear duct is a part of
(a) Ampulla
(b) Utriculus
(c) Secculus
(d) None
Ques. Elephantiasis caused by the infection of
(a) Wuchereria bancrofti
(b) Teania solium
(c) A bacterium
(d) A virus
Ques. Hormones secreted by Anterior pituitary gland in chemical nature are
(a) All proteins
(b) All steroids
(c) Complex comdounds of protein and carbohydrates
(d) Some steroids and some proteins
Ques. Which of the following is harmful lichen
(a) Umbellicaria
(b) Cladonia
(c) Laboria
(d) Usnea
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Ques. No growth of Spirogyra can occure in
(a) Pond
(b) River
(c) Stream
(d) Sea
Ques. Pedology is the
(a) Study of soil
(b) Study of disease
(c) Study of rocks
(d) Study of pollution
Ques. Which of the following is not a fish
(a) Lung fish
(b) Silver fish
(c) Cat fish
(d) Dog fish
Ques. The zygospore of Mucor is thick walled and its colour is
(a) Blue
(b) White
(c) Green
(d) Black
Ques. Which of the following occurs in algae but not in Riccia
(a) Chloroplast
(b) Pyrenoid
(c) Nuclues
(d) Vacuole
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Ques. Under the evidence of organic evolution, the stings of honey bee and scorpion are catagorised as
(a) Homologous organ
(b) Defensive organ
(c) Analogous organ
(d) None of these
Ques. ‘Age of man’ in geology is
(a) Proterozoic
(b) Coenozoic
(c) Mesozoic
(d) Psychozoic
Ques. The term ‘Protista’ was given by
(a) Carolous Linnaeus
(b) John Ray
(c) George Leapold Cuvier
(d) Ernst Haeckel
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Ques. Among the following which does not belong to sporophyte generation in Pinus
(a) Dwarf shoot
(b) Long shoot
(c) Roots
(d) Endosperm
Ques. Cholera is caused by
(a) Virus
(b) Bacteria
(c) Fungi
(d) Protozoa
Ques. The main function of elementary bodies in Mycoplasma is
(a) Respiration
(b) Food storage
(c) Secretion
(d) Reproduction
Ques. Flame cells is the characteristic of
(a) Nematoda
(b) Coelenterata
(c) Platyhelminthes
(d) Some arthropoda
Ques. Mother of Pearl is
(a) Mantle
(b) Shell
(c) Nacreous layer
(d) None of the above
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Ques. ‘Project Tiger’ in India was started in
(a) 1970
(b) 1972
(c) 1981
(d) 1985
Ques. Formation of embryo from an unfertilized egg is called
(a) Parthenocarpy
(b) Pseudogamy
(c) Amphimixis
(d) Parthenogenesis
Ques. Which of the following contains teratogenic drug?
(a) Thalidomide
(b) Tetracycline
(c) Warfarin
(d) All the above
Ques. Which one is a sedative drug
(a) Amphetamines
(b) LSD
(c) Barbiturates
(d) Bhang
Ques. Hybridomas are employed for
(a) Synthesis of antibiotics
(b) Killing cancer cells
(c) Synthesis of monoclonal antibodies
(d) Production of somatic hybrids
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Ques. The term ‘Microsphere’ was given by
(a) Haldane
(b) Oparin
(c) Miller
(d) Sidney Fox
Ques. Tapetum is a nutritive tissue of
(a) Androcytes
(b) Male and female gametes
(c) Spore mother cells
(d) Male and female gametangium