CUSAT CAT 2018 Question Paper Zoology

Subject Code : 615 Section Code : -Select- Difficulty: 1

Subject Answer
Q Id Questions
Code Key

Wildlife protection Act in India was enacted in

(A) 1962

615 1951 (B) 1972 (B)

(C) 1982

(D) 1986

Naja naja is the scientific name for

(A) King cobra

615 1952 (B) Indian cobra (B)

(C) Russel viper

(D) Saw scaled viper

SPCA stands for

(A) Society for Promoting Cultural Activities

615 1953 (B) Society for Preventing of Cruelty of Animals (B)

(C) Society for Prevention of Catching of Animals

(D) Society for Protection of Caged Animals

Carotene in Indian cow’s milk causes

(A) creamish white colour

615 1954 (B) yellow colour (B)

(C) Light orange colour

(D) No change

Foot and Mouth disease is found in

(A) Cats and dogs

615 1955 (B) cattle (B)

(C) Poultry

(D) humans

Which one of the following is a primate?

(A) Bear

615 1956 (B) Otler (C)

(C) Loris

(D) Pangolin

615 1957 Insect respire using (D)

(A) Skin

(B) gills

(C) Lungs

(D) trachea

Which chamber of human heart pumps fully oxygenated blood to aorta and to other parts of the
body?

(A) Right auricle
615 1958 (D)
(B) Left auricle

(C) Right ventricle

(D) Left ventricle

Which of the following is a vitamin?

(A) citric acetate

615 1959 (B) folic acid (B)

(C) glutamic acid

(D) linoleic acid

Which of the following disease is inheritable?

(A) leukaemia

615 1960 (B) colourblindness (B)

(C) malignancy

(D) hepatitis

Systematic and scientific study of behavior of animals including human is called

(A) chronobiology

615 1961 (B) Biogeography (C)

(C) ethology

(D) ethnography

The various steps in the food chain at which transfer of food takes place is called

(A) trophic plus

615 1962 (B) trophic level (B)

(C) food web

(D) biomagnification

A junction zone between two or more diverse communities is known as

(A) niche

615 1963 (B) ecotone (B)

(C) habitat

(D) biome

Honeybee workers signal about the distance and direction of food source by means of the

(A) round dance

615 1964 (B) waggle dance (B)

(C) tremble dance

(D) All of the above

615 1965 The dominant male in group of monkey is called the (A)

(A) alpha male

(B) beta male

(C) gamma male

(D) delta male

The cavity inside the blastula is called the

(A) gastrula

615 1966 (B) blastocoel (B)

(C) animal pore

(D) blastomere

EEG is related to

(A) brain

615 1967 (B) eyes (A)

(C) nose

(D) heart

The larvae of balanoglossus

(A) planule

615 1968 (B) trochophore (C)

(C) tornaria

(D) veliger

Malaria is transmitted through

(A) female culex mosquito

615 1969 (B) female anopheles mosquito (B)

(C) female aedes mosquito

(D) None of the above

Mention the class of echinococcus

(A) cestoda

615 1970 (B) trematoda (A)

(C) turbularia

(D) nematode

Pick out the endemic mammal in the Western Ghats

(A) Toddy Cat

615 1971 (B) Tiger (C)

(C) Nilgiri Languar

(D) Otter

615 1972 The head quarters of International Union of Conservation of Nature and natural resources (IUCN) is (B)
in

(A) Washigton D.C.

(B) Switzerland

(C) Vienna

(D) London

Name the author of Systema Naturae

(A) Dickens

615 1973 (B) T.H.Morghan (C)

(C) Carl Linnaeus

(D) Francis Crick

Which of the following is known as Venus flower basket?

(A) Cliona

615 1974 (B) Euplectella (B)

(C) Sycon

(D) Leucosolenia

The connecting link between annelids and arthropods is

(A) Nereis

615 1975 (B) Belostoma (C)

(C) Peripatus

(D) veliger

Name of the phylum to which ‘Arrow worms’ belong to

(A) Rotifera

615 1976 (B) Hemichordata (C)

(C) Chaetognatha

(D) Annelida

The function of contractile vacuole

(A) Nutrition

615 1977 (B) Reproduction (C)

(C) Osmoregulation

(D) Locomotion

Fluid mosaic model of cell membrane was proposed by

(A) Danielli and Davson

615 1978 (B) Singer and Nicholson (B)

(C) Schleidan and Schwann

(D) Messelson and Stahl

615 1979 Which among the following is a genetic disease? (A)

(A) Sickle cell anaemia

(B) Goiter

(C) Dwarfism

(D) Tetany

DNA synthesis occurs during

(A) G2 phase

615 1980 (B) G1 phase (C)

(C) S phase

(D) M phase

Terrestrial ecological unit spread over a large geographic area is called

(A) Forest

615 1981 (B) Desert (C)

(C) Biome

(D) Tundra

World environment day is celebrated on

(A) 22nd March

615 1982 (B) 5th June (B)

(C) 1st December

(D) 16th September

Study of freshwater habitat is

(A) Lithology

615 1983 (B) Hydrology (D)

(C) Pedology

(D) Limnology

Red Data Book is published by

(A) IUCN

615 1984 (B) WHO (A)

(C) UNEP

(D) UNESCO

Mammals originated during

(A) Cenozoic era

615 1985 (B) Paleozoic era (A)

(C) Archaeozoic era

(D) None of the above

Carbon dating method was developed by

(A) Willard Libby

615 1986 (B) Bolt Wood (A)

(C) Simpson

(D) Mayer

615 1987 The cholesterol molecule is (D)

(A) Aromatic ring

(B) A straight chain acid

(C) Tocopherol

(D) A steroid

The smallest bone in the human body

(A) finger bone

615 1988 (B) stirrup bone (B)

(C) backbone

(D) feet bone

Microlecithal egg is the egg of

(A) Frog

615 1989 (B) Bird (D)

(C) Insect

(D) Amphioxus

Amphimixis is

(A) Fusion of gametes

615 1990 (B) Cytogamy (A)

(C) Syngamy

(D) Karyogamy

Ontogeny

(A) Morphogenesis

615 1991 (B) recapitulation (A)

(C) Parthenogenesis

(D) Gametogenesis

A heterocrine gland which is both exocrine and endocrine in function

(A) liver

615 1992 (B) stomach (C)

(C) pancreas

(D) intestine

Albinism in humans is

(A) Polygenic

615 1993 (B) Dominant (C)

(C) Recessive

(D) None of the above

615 1994 Name the adulterant in turmeric powder (B)

(A) argemone powder

(B) metanil yellow

(C) talc

(D) grit

In birds

(A) Left oviduct and right aortic arch are present

615 1995 (B) Left oviduct and left aortic arch are present (B)

(C) Right oviduct, left ovary and right aortic arch present

(D) Left oviduct,left ovary and right aortic arch present

The study of fungi is named as

(A) Protozoology

615 1996 (B) Limnology (C)

(C) Mycology

(D) Pharmacology

The component in bacterial cellwall that forms a complex with crystalviolet stain in Gram’s staining
is

(A) Peptidoglycan
615 1997 (A)
(B) Lipopolysaccharide

(C) Phospholipid

(D) Glucopolysacharide

Which is the virus that causes AIDS?

(A) Rhiovirus

615 1998 (B) Enterovirus (D)

(C) Parvo virus

(D) HIV

Paedogenesis type of reproduction occurs in

(A) liverfluke

615 1999 (B) sponge (A)

(C) bacteria

(D) drosophilia

Chikungunya is a

(A) Bacterial disease

615 2000 (B) Viral disease (B)

(C) Fungal infection

(D) None of the above

Bandipur National park is in which state?

(A) Karnataka

615 2001 (B) Tamil nadu (A)

(C) Kerala

(D) None of the above

615 2002 The scientific name of Man is (D)

(A) Homo habilis

(B) Homo intelligensis

(C) Homo erectus

(D) Homo sapiens

The largest gland in the human body

(A) stomach

615 2003 (B) pancares (C)

(C) liver

(D) lymph

Mammoth is a

(A) Non poisonous snake

615 2004 (B) Extinct mammal (B)

(C) Egg laying mammal

(D) Chondrichthyes

Functional unit of kidney

(A) Neuron

615 2005 (B) Nephron (B)

(C) Hepatic cells

(D) Nissil bodies

Name the muscle protein

(A) Myosin

615 2006 (B) Keratin (A)

(C) Fibrinogen

(D) Chitin

Respiratory pigment in human blood

(A) Haemoglobin

615 2007 (B) Haemocyanin (A)

(C) Haemerithrin

(D) Chlorocruorin

Stiffling is the process of killing of

(A) Cocoons

615 2008 (B) Honey bees (A)

(C) Fishes

(D) Worms

615 2009 Cholera spreads due to (B)

(A) touch

(B) water pollution

(C) humid weather

(D) chemical pollution

Which of the following is a flying fish?

(A) Shark

615 2010 (B) Exocoetus (B)

(C) Chimera

(D) Latimeria

Glycerine jelly is used as

(A) mounting agent

615 2011 (B) clearing agent (A)

(C) dehydrating agent

(D) stain

In Gram staining, the counterstain used is

(A) Crystal violet

615 2012 (B) Iodine (C)

(C) Safranin

(D) Gentian violet

Minamata disease’ is caused by …………….. Poisoning

(A) Cadmium

615 2013 (B) Mercury (B)

(C) Arsenic

(D) Antimony

Death stiffening is called

(A) rancidity

615 2014 (B) rigor mortis (B)

(C) spoilage

(D) protein denaturation

Half life of carbon-14

(A) 5730 years

615 2015 (B) 15 days (A)

(C) 80 days

(D) 2.9years

The organism which grow only at moderate temperature (200 and 450c)are called

(A) Thermoduric

615 2016 (B) Mesophiles (B)

(C) Thermophiles

(D) Psychrophiles

615 2017 The organisms which can grow either aerobically or anaerobically are called (D)

(A) aerobes

(B) anaerobes

(C) obligates

(D) faculcative

Glycogen storage is in

(A) Alveoli

615 2018 (B) Kidney (C)

(C) Liver

(D) Stomach

The parasite which attacks an unusual host

(A) accidental parasite

615 2019 (B) obligate parasite (A)

(C) facultative parasite

(D) aberrant parasite

Elephantiasis is caused by

(A) Wuchereria bancrofti

615 2020 (B) Brugia malayi (A)

(C) Onchocera volvules

(D) Mansonella perstans

The parasite shows ‘alternation of generation accompanied by ‘alternation of hosts’

(A) Plasmodium

615 2021 (B) Balantidium cdi (A)

(C) Eimeria

(D) Toxoplasma

Whooping cough is caused by

(A) Brucella

615 2022 (B) mycobacterium (D)

(C) Haemophilus

(D) Bordetella

Kreb’s cycle occurs in

(A) Cytochrome

615 2023 (B) Ribosome (D)

(C) Mesosome

(D) Mitochondria

615 2024 An example;e of aromatic amino acid (D)

(A) Proline

(B) Alanine

(C) Histidine

(D) Phenyl alanine

The term cell was proposed by

(A) Fabri

615 2025 (B) Galileo (C)

(C) Robert Hook

(D) Robert Koch

Penicillin was discovered in

(A) 1921

615 2026 (B) 1928 (C)

(C) 1929

(D) 1932

Acetic acid producing micro organism is

(A) Acetobacter spp.

615 2027 (B) Aspergillus spp (A)

(C) Clostridium spp

(D) Bacillus spp

An antifungal antibiotic

(A) Pencillin

615 2028 (B) Streptomycin (A)

(C) Griseofulvin

(D) Ampicillin

Biogas production is associated with the bacteria called

(A) Methanobacterium

615 2029 (B) Lactobacillus (A)

(C) Aspergillus

(D) Azetobacter

BOD indicates

(A) Inorganic Pollution

615 2030 (B) Industrial Pollution (C)

(C) Organic Pollution

(D) Chemical Pollution

Degradation of organic waste into compost using earthworm

(A) Vermi composting

615 2031 (B) Microbial composting (A)

(C) Natural composting

(D) Worm composting

615 2032 Symmetry of jellyfish is (C)

(A) quadriradial

(B) bilateral symmetry

(C) radial symmetry

(D) asymmetrical

Chitin is a

(A) homopolysaccharide

615 2033 (B) heteropolysaccharide (A)

(C) proteoglycan

(D) glycoprotein

The fungal portion in lichen is called

(A) phycobiont

615 2034 (B) mycelium (D)

(C) Mycorrhizae

(D) mycobiont

Bombyx mori feeds on

(A) Castor leaves

615 2035 (B) Mulberry leaves (B)

(C) Soma leaves

(D) Oak leaves

Name the edible mollusc

(A) Dentalium

615 2036 (B) Perna (B)

(C) Teredo

(D) Asterias

Estrogen(estradiol) is

(A) Protein hormone

615 2037 (B) Non steroid hormone (C)

(C) Steroid hormone

(D) Enzyme

In earth worm, clitellum is associated with

(A) feeding

615 2038 (B) excretio (C)

(C) reproduction

(D) respiration

615 2039 Which of the following have placoid scales? (D)

(A) Sardine

(B) Exocoetus

(C) Amia

(D) Shark

Tunicata are commonly called as

(A) sea animalcule

615 2040 (B) sea turtle (C)

(C) sea squirts

(D) sea bird

Example of cyclostomata

(A) Petromyzon

615 2041 (B) Ascidia (A)

(C) Amphioxus

(D) Narcine

Ventral side groove in paramecium is called as

(A) Peristomial groove

615 2042 (B) Anal groove (A)

(C) Pleural groove

(D) None of the above

In sycon the radial canals open into the spongocoel by aperture called as

(A) Internal ostia

615 2043 (B) Dermal ostia (A)

(C) Prosopyles

(D) Incurrent canals

Blastostyles are

(A) Hydrocaulus

615 2044 (B) Zooid which has no mouth or tentacles (B)

(C) Zooid having tentacles

(D) Minute pore present in hydra

In hydra, the mouth lies on a small prominence of

(A) Oral pit

615 2045 (B) Hypostome (B)

(C) Mesoglea

(D) Cnidocil

Sea anemones are attached to the rocky shore with the help of

(A) Cement glands

615 2046 (B) Broad muscular foot (D)

(C) Adhesive disc

(D) Pedal disc

615 2047 Covering layer of the polyp is called as (B)

(A) Gonotheca

(B) Hydrotheca

(C) Coenotheca

(D) Hydrocauli

Type of circulation in Fasciola hepatica is

(A) Open type

615 2048 (B) Closed type (D)

(C) Congitudinal circulatory canal

(D) None of the above

In nereis, during metamorphosis, the portion in front of the mouth becomes

(A) Parapodium

615 2049 (B) Peristomial tentacle (C)

(C) Prostomium

(D) Peristomium

Ambulacral system present in

(A) Scorpion

615 2050 (B) Sea - urchin (B)

(C) Pila globasa

(D) Cuttle fish

The typical larval form of class Asteroidea is

(A) Ophiopluteus

615 2051 (B) Anricularia (C)

(C) Bipinnaria

(D) Crinoid

The intermediate host of Taenia solium is

(A) Snail

615 2052 (B) Cyclops (C)

(C) Pig

(D) Man

Which of the following is not the example of air breathing arthropoda?

(A) Scorpion

615 2053 (B) Peripatus (C)

(C) Limulus

(D) Houseflies

615 2054 An example for air breathing fish (A)

(A) Periophthalmus

(B) Syngnathus

(C) Anguilla

(D) Idiacanthus

The larva of balanoglossus

(A) Planule

615 2055 (B) Trochophore (C)

(C) Tornaria

(D) Veliger

The heart of amphibians is

(A) 2 chambered

615 2056 (B) 3 chambered (B)

(C) 4 chambered

(D) None of the above

A classical example for egg laying mammal is

(A) Shrew

615 2057 (B) Moles (D)

(C) Lemurs

(D) Duck billed platypus

In mammals, the primordial germ cells originate

(A) In the endoderm

615 2058 (B) In the ectoderm (A)

(C) From the mesoderm

(D) None of the above

The sound producing organ of birds is the

(A) Larynx

615 2059 (B) Pharynx (C)

(C) Syrinx

(D) Rexnator

Fragile ecosystem is an example of

(A) Tundra biome

615 2060 (B) Alpine biome (A)

(C) Forest biome

(D) Desert biome

The flow of energy in an ecosystem is

(A) Bidirectional

615 2061 (B) Multidirectional (C)

(C) Unidirectional

(D) None of the above

615 2062 The enzyme that helps in digestion of starch is (B)

(A) Lipase

(B) Ptyalin

(C) Aldolase

(D) Catalase

Acid produced from the wall of the stomach is

(A) Sulphuric acid

615 2063 (B) Hydrochloric acid (B)

(C) Nitric acid

(D) None of the above

The heart is enclosed in a double walled thin bag called as

(A) Peritoneal

615 2064 (B) Pericardial (C)

(C) Pericardium

(D) Visceral peritoneum

Fluid present in the cavities of brain is

(A) Lymph

615 2065 (B) Plasma (D)

(C) Blood

(D) Cerebrospinal fluid

Layer of eye in which rods and cones are present is

(A) Cornea

615 2066 (B) Viral disease (D)

(C) Sclera

(D) Retina

Progesterone is produced by the

(A) Corpus luteum

615 2067 (B) Hypothalamus (A)

(C) Seminiferous tubules

(D) Pituitary gland

The best example of Echo- orientation is seen in

(A) Bat

615 2068 (B) Cat (A)

(C) Insects

(D) Snake

615 2069 The genes which mask the quantitative characters of an original gene is called as (A)

(A) Multiple genes

(B) Major genes

(C) Poly genes

(D) Pseudogenes

Colour blindness is the inability to distinguish

(A) Red and blue colour

615 2070 (B) Red and green colour (B)

(C) Blue and green colour

(D) Black and white colour

In a pedigree chart the male members are shown by

(A) Rectangles

615 2071 (B) Circles (D)

(C) Triangles

(D) Squares

What did Muller use to increase the rate of mutation?

(A) X-rays

615 2072 (B) Ionic radiation (A)

(C) Mustard gas

(D) Formaldehyde

The basic monomere used in DNA replication in

(A) Glucose

615 2073 (B) DNA nucleotides (D)

(C) RNA nucleotides

(D) Amino acids

In patients suffering from hemophilia

(A) Blood clots

615 2074 (B) Blood fails to clot (B)

(C) RBC increase

(D) RBC decrease

The golden age of dinosaurs was

(A) Paleozoic

615 2075 (B) Cenozoic (C)

(C) Mesozoic

(D) Proterozoic

Lamark’s theory of inheritance of acquired characters was challenged by

(A) Hugo de vries

615 2076 (B) Herbert spencer (D)

(C) Karl Linnaeus

(D) August Weismann

615 2077 Tuberculosis is caused by (B)

(A) Virus

(B) Bacteria

(C) Fungi

(D) Protozoan

Element used to form haemoglobin is

(A) Iodine

615 2078 (B) Copper (C)

(C) Iron

(D) Zinc

The Protein part of the enzyme is called as

(A) Holoenzyme

615 2079 (B) Prosthetic group (C)

(C) Apoenzyme

(D) Cofactor

Which of the following sugars is not a reducing sugar?

(A) Glucose

615 2080 (B) Fructose (C)

(C) Sucrose

(D) Galactose

Hormones may be considered as

(A) Transporters

615 2081 (B) Chemical messengers (C)

(C) Both (A) and (B)

(D) None of the above

The process of internal nuclear reorganization is called as

(A) Endogamy

615 2082 (B) Conjugants (C)

(C) Endomixis

(D) Recombination

The cell’s “garbage disposals” are the organelles called as

(A) Peroxisomes

615 2083 (B) Ribosomes (D)

(C) Episomes

(D) Lysosomes

615 2084 As mitosis begins, the structure in the nucleus that disappears is the (B)

(A) Spindle

(B) Nucleolus

(C) Chromatid

(D) Centromere

In particular class the allantois is not excretory in function

(A) Amphibian

615 2085 (B) Placoderm (C)

(C) Mammals

(D) Chondrichthyes

Egg of Amphioxus is

(A) Microlecithal

615 2086 (B) Macrolecithal (A)

(C) Telolecithal

(D) Polylecithal

The cell organelle that develops into acrosome of sperm is

(A) Mitochondria

615 2087 (B) Golgi complex (B)

(C) Ribosomes

(D) Lysosomes

Human placenta is

(A) Cotyledonary

615 2088 (B) Endotheliochorial (D)

(C) Epitheliochorial

(D) Hemoendothelial

Endocrine gland that functions during emergency situation is

(A) Glucocorticoids

615 2089 (B) Aldosterone (D)

(C) Adreno corticotrophic

(D) Adrenalin and non adrenalin

Pheromones are called as

(A) Sex hormones

615 2090 (B) Social hormones (B)

(C) Steroid hormones

(D) Peptide hormones

Bile production by liver is stimulated by the hormone

(A) Secretin

615 2091 (B) Gastrin (A)

(C) Enterocrinin

(D) Enterogastrone

615 2092 What is the major chemical component of an insect’s exoskeleton? (C)

(A) Protein

(B) Lipid

(C) Chitin

(D) Cellulose

Nymph is the young one of

(A) Cockroach

615 2093 (B) Bugs (D)

(C) Mosquito

(D) Both (A) and (B)

Insect blood does not

(A) Clot

615 2094 (B) Contain antibodies (B)

(C) Flow through the wings

(D) Transport hormones

Which insects do not belong to the order Hymenoptera?

(A) Termites

615 2095 (B) Honey bees (A)

(C) Sawflies

(D) Fire ants

Which gland is used for induced breeding?

(A) Pituitary

615 2096 (B) Parathyroid (A)

(C) Adrenal

(D) Thyroid

Cold water fisheries in India was first attempted in

(A) Delhi

615 2097 (B) Kashmir (C)

(C) Ooty

(D) Kerala

Monosex culture is practiced in the culture of

(A) Catla

615 2098 (B) Silver carp (C)

(C) Tilapia

(D) Mullet

615 2099 Cryopreservation techniques is mostly useful for (C)

(A) Fertility

(B) Infertility

(C) Sperm bank

(D) Egg bank

The animal that is now facing extinction in India is

(A) Blue bull

615 2100 (B) Mouse deer (C)

(C) Indian bustard

(D) Sloth bear