Ques. Rennet enzyme was purified by
(a) S.A. Waksman
(b) A. Fleming
(c) Payen and Persoz
(d) Christian Hansen
Ans. (d)

Ques. The leaves of Azolla house the colonies of
(a) Rhizobium
(b) Azotobacter
(c) Anabena
(d) Azospirillum
Ans. (c)

Ques. Ligase enzyme is used for
(a) Joining bits of DNA
(b) Splitting DNA threads into small bits
(c) Dnaturation
(d) None of these
Ans. (a)

Ques. 2-4-Dichlorophenoxy acetic acid is a
(a) Flowering hormone
(b) Herbicide
(c) Pesticide
(d) Rooting hormone
Ans. (b)

Ques. Inflammatory responses are intensified by
(a) lymphocytes
(b) Monocytes
(c) Neutrophils
(d) Basophils
Ans. (d)

Ques. An example of triploid plant is
(a) Wheat
(b) Banana
(c) Mango
(d) Orange
Ans. (b)

Ques. The term plasmamembrane was given by
(a) Robertson
(b) Nageli
(c) N. Grew
(d) J.Q. Plowe
Ans. (d)

Ques. Cellulose is
(a) Hexosan polysaecharide
(b) Pentosan polysaccharide
(c) hepto polysaccharide
(d) Heteropolysacharide
Ans. (a)

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Ques. The number of chromosomes in microspore mother cell of pisum sativum is
(a) 7
(b) 14
(c) 21
(d) 28
Ans. (b)

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
Ans. (d)

Ques. Weismann Propounded
(a) Vital force theory
(b) Gene pool theory
(c) Germ plasm theory
(d) Protoplasm theory
Ans. (c)

Ques. Which one of the following is not a mutagen?
(a) Ethyl methane sulphonate
(b) Acetic acid
(c) Nitrous acid
(d) Ethylene oxide
Ans. (b)

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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
Ans. (b)

Ques. Whale is a warm blooded creature, it survives in cold seas. Its main device for keeping warm is
(a) Pelage
(b) Muscles
(c) Blubber
(d) Blood vessels
Ans. (c)

Ques. Non-essential element for the proper growth of plant is
(a) Cobalt
(b) Magnesium
(c) Chlorine
(d) Calcium
Ans. (a)

Ques. The basic approaches to human genetics are
(a) Tissue culture techniques
(b) Cytological techniques
(c) Technique pedigree record
(d) All the above
Ans. (d)

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
Ans. (d)

Ques. Out of 206 bones in man six occur in
(a) Skull
(b) Middle ear
(c) Pectoral girdle
(d) Hind limb
Ans. (b)

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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
Ans. (c)

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
Ans. (b)

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
Ans. (b)

Ques. hCGH is secreted by
(a) Trophoblastics cells
(b) Inerstitial cells
(c) Placenta
(d) Mature ovum
Ans. (c)

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
Ans. (a)

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
Ans. (a)

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
Ans. (a)

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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
Ans. (b)

Ques. Cochlear duct is a part of
(a) Ampulla
(b) Utriculus
(c) Secculus
(d) None
Ans. (c)

Ques. Elephantiasis caused by the infection of
(a) Wuchereria bancrofti
(b) Teania solium
(c) A bacterium
(d) A virus
Ans. (a)

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
Ans. (a)

Ques. Which of the following is harmful lichen
(a) Umbellicaria
(b) Cladonia
(c) Laboria
(d) Usnea
Ans. (c)

Ques. No growth of Spirogyra can occure in
(a) Pond
(b) River
(c) Stream
(d) Sea
Ans. (d)

Ques. Pedology is the
(a) Study of soil
(b) Study of disease
(c) Study of rocks
(d) Study of pollution
Ans. (a)

Ques. Which of the following is not a fish
(a) Lung fish
(b) Silver fish
(c) Cat fish
(d) Dog fish
Ans. (b)

Ques. The zygospore of Mucor is thick walled and its colour is
(a) Blue
(b) White
(c) Green
(d) Black
Ans. (d)

Ques. Which of the following occurs in algae but not in Riccia
(a) Chloroplast
(b) Pyrenoid
(c) Nuclues
(d) Vacuole
Ans. (b)

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
Ans. (c)

Ques. ‘Age of man’ in geology is
(a) Proterozoic
(b) Coenozoic
(c) Mesozoic
(d) Psychozoic
Ans. (b)

Ques. The term ‘Protista’ was given by
(a) Carolous Linnaeus
(b) John Ray
(c) George Leapold Cuvier
(d) Ernst Haeckel
Ans. (d)

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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
Ans. (d)

Ques. Cholera is caused by
(a) Virus
(b) Bacteria
(c) Fungi
(d) Protozoa
Ans. (b)

Ques. The main function of elementary bodies in Mycoplasma is
(a) Respiration
(b) Food storage
(c) Secretion
(d) Reproduction
Ans. (d)

Ques. Flame cells is the characteristic of
(a) Nematoda
(b) Coelenterata
(c) Platyhelminthes
(d) Some arthropoda
Ans. (c)

Ques. Mother of Pearl is
(a) Mantle
(b) Shell
(c) Nacreous layer
(d) None of the above
Ans. (c)

Ques. ‘Project Tiger’ in India was started in
(a) 1970
(b) 1972
(c) 1981
(d) 1985
Ans. (b)

Ques. Formation of embryo from an unfertilized egg is called
(a) Parthenocarpy
(b) Pseudogamy
(c) Amphimixis
(d) Parthenogenesis
Ans. (d)

Ques. Which of the following contains teratogenic drug?
(a) Thalidomide
(b) Tetracycline
(c) Warfarin
(d) All the above
Ans. (d)

Ques. Which one is a sedative drug
(a) Amphetamines
(b) LSD
(c) Barbiturates
(d) Bhang
Ans. (c)

Ques. Hybridomas are employed for
(a) Synthesis of antibiotics
(b) Killing cancer cells
(c) Synthesis of monoclonal antibodies
(d) Production of somatic hybrids
Ans. (c)

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Ques. The term ‘Microsphere’ was given by
(a) Haldane
(b) Oparin
(c) Miller
(d) Sidney Fox
Ans. (d)

Ques. Tapetum is a nutritive tissue of
(a) Androcytes
(b) Male and female gametes
(c) Spore mother cells
(d) Male and female gametangium
Ans. (c)

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