2002
Paper I
7. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(A) Which of the four options make the following statement correct? On your answer books just write the question number and one of the serial alphabets. (10)
(1) The mode of nutrition in AMOEBA is:
(a) Holozoic
(b) Saprozoic
(c) Saprophytic
(d) None of these
(a) Holozoic
(2) The coelom in PLATYHELMINTHYES is:
(a) Pseudocoele
(b) Haemocoele
(c) Metacoele
(d) None of these
(a) Pseudocoele
(3) EXCRETORY organs in earthworms are:
(a) Nephron
(b) Flame cells
(c) Malpighian Tubules
(d) Nephridia
(e) None of these
(d) Nephridia
(4) Foot is used as an organ of locomotion in which of the following animals?
(a) Freshwater mussel
(b) Octupus
(c) Sepia
(d) None of these
(a) Freshwater mussel
(5) Which group of animals out of the following is DIPLOBLASTIC?
(a) Platyhelminthes
(b) Echinodermata
(c) Coelenterata
(d) None of these
(c) Coelenterata
(6) Which of the following has the maximum of oxygenated and de-oxygenated blood in the ventricle of its heart?
(a) Fish
(b) Frog
(c) Crocodile
(d) None of these
(b) Frog
(7) Reptiles are:
(a) Oviparous
(b) Viviparous
(c) Ovo-viviparous
(d) None of these
(a) Oviparous
(8) The urea formation in mammals takes place in:
(a) Kidneys
(b) Spleen
(c) Liver
(d) None of these
(c) Liver
(9) Vertebrates in which placenta is formed during the development of fetus are:
(a) Reptiles
(b) Aves
(c) Mammals
(d) None of these
(c) Mammals
(10) Lymph most closely resembles with:
(a) Plasma
(b) Interstitial fluid
(c) Blood
(d) None of these
(a) Plasma
(B) Check which of the following statements are true or false. On your answer sheets just write the question number and T or F. (10)
(11) Archaeopleryx is a missing link between birds and reptiles. T
(12) Skin of frog has well-developed sweat glands. F
(13) True Coelom develops from endoderm. F
(14) Archenteron develops during blastula stage. F
(15) The Trypanosoma causes the disease called “sleeping sickness”. T
(16) Snakes can listen and enjoy music. F
(17) Echidna is an egg-laying mammal. T
(18) Herbivores have more pointed teeth than carnivores. F
(19) Reptiles are warm blooded animals. F
(20) The body cavity in arthropods is a haemocoel. T
8. Write only the correct answer in the Answer Book. Do not reproduce the questions.
(1) Many humans become ill by consuming milk products because they lack:
(a) Bacteria in their intestines
(b) Rennin
(c) Hydrochloric acid
(d) Lactase
(e) None of these
(d) Lactase
(2) Which of the following process cause substance to move across membranes without the expenditure of cellular energy?
(a) Endocytosis
(b) Active transport
(c) Diffusion
(d) None of these
(c) Diffusion
(3) Respiratory pigment present in muscles is called:
(a) Haemoglobin
(b) Myoglobin
(c) Haemocyanins
(d) Globin
(e) None of these
(b) Myoglobin
(4) Which one of the following is not a viral disease?
(a) Mumps
(b) Small-pox
(c) Cow-pox
(d) Tetanus
(e) None of these
(d) Tetanus
(5) Animals obtain Carbohydrates mainly from:
(a) Sucrose
(b) Glycogen
(c) Starch
(d) Glucose
(e) None of these
(c) Starch
(6) Mesosomes are internal extensions of:
(a) Cell Wall
(b) Cell Membrane
(c) Chromatin body
(d) None of these
(b) Cell Membrane
(7) Sugar in each nucleotide of DNA is:
(a) Deoxyglucose
(b) Ribose
(c) Glucose
(d) Deoxyribose
(e) None of these
(d) Deoxyribose
(8) Species is the basic unit of:
(a) Genetics
(b) Zoology
(c) Ecology
(d) Universe
(e) None of these
(e) None of these
(9) Which one of the following is false about AIDS:
(a) HIV
(b) HAV
(c) T-lymphocytes
(d) Host specific
(e) None of these
(b) HAV
(10) Which statement about plastids is true?
(a) They are power house of cell
(b) They contain DNA and ribosomes
(c) They are found in all organisms
(d) They are surrounded by a single membrane
(e) None of these
(e) None of these
(11) Which of the following is not found in all bacterial cells?
(a) A nucleoid
(b) Capsule
(c) Cell membrane
(d) Ribosomes
(e) None of these
(c) Cell membrane
(12) A virion is a:
(a) Viral protein
(b) Viral gene
(c) Virus
(d) Viral lysozyme
(e) None of these
(c) Virus
(13) The study of fossils and their relationship to the evolution of life on earth is called:
(a) Fossilization
(b) Palaeontology
(c) Palaeozoology
(d) None of these
(b) Palaeontology
(14) A connecting and supporting tissue in animal is:
(a) Muscle
(b) Bone
(c) Nerve
(d) Connective
(e) None of these
(d) Connective
(15) Interstitial fluid closely resembles to:
(a) Rain water
(b) Sea water
(c) Lake water
(d) Pond water
(e) None of these
(e) None of these
(16) The amount of lactic acid in muscles increases when they are lacking in:
(a) CO2
(b) C6H12O6
(c) Energy
(d) Oxygen
(e) None of these
(d) Oxygen
(17) If a person eats more protein than are needed, this causes increased production of:
(a) Hormones
(b) Urea
(c) Lactic acid
(d) CO2
(e) None of these
(b) Urea
(18) The growth of human population is most rapid in:
(a) Asia
(b) Europe
(c) North America
(d) None of these
(a) Asia
(19) Which type of tissue forms glands?
(a) Connective
(b) Nervous
(c) Muscle
(d) Epithelial
(e) None of these
(d) Epithelial
(20) Carbon combines with nitrogen in amino acid linkages to form:
(a) Ester bonds
(b) Peptide bonds
(c) Ionic bonds
(d) None of these
(b) Peptide bonds