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PRACTICE PROBLEMS SESSION-2011-12
Su bject : Biology
DPP N o . 0 1 Topic :— Cell, Cell division, Tissue, Excretion
1. 2. 3. 4.
5. 6. 7.
8. 9.
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12. 13.
14. 15. 16. 17.
In
a cell highest quantity of constituents is (A) Lipid (B) Water (C) Aminoacid (D) Nucleic acid Which of the following substance gives maximum energy to the human body ? (A) Carbohydrate (B) Fat (C) Protein (D) Mineral Salt Which one of the following f ollowing does not help in locomotion (A) Pseudopodia (B) Flagella (C) Cilla (D) Villi The vascular tissue in plants consists of (A) Xylem only (B) Phloem only (C) Xylem and phloem both (D) Endodermis Thread like structures in nucleus are : (A) Nucleolus (B) Ribosomes (C) Cristae (D) Chromosomes Nucleated part of phloem is : (A) Phloem fibre (B) Companion cell (C) Sieve element (D) All the above Urinary bladder is lined with : (A) Simple Simple epithe epitheliu lium m (B) Stratif tratified ied epithe epithelilium um (C) (C) Trans Transiti ition onal al epi epith thel eliu ium m (D) Pseudostratified epithelium Sprain is due to pulling of : (A) Muscles (B) Ligaments (C) Tendons (D) Nerves Which of the following mechanism would account for increased urine production : (A) Decreased amount of antidiuretic hormone secretion. (B) Increased aldosterone production (C) Increased blood pressure (D) The proximal tubules reabsorbing more water Glomerular filtration is possible : (A) Afferent arteriole has less diameter than efferent arteriole (B) Afferent arteriole arteriole has more m ore diameter than the efferent arteriole (C) Both have the same diameter (D) Afferent Afferent capillaries have more mor e diameter than efferent capillaries Surgical removal of both the kidneys would result in death because : (A) W ater will accumulate in blood. (B) Urea will not be excreted. (C) (C) Imm Immun une e resp respon onse se will will be supp suppre ress ssed ed.. (D) (D) Glu Gluco cose se will will be lost lost from from the the bod body y Liquid waste in plants is : (A) Sandal wood oil (B) Eucalyptus oil (C) Coconut oil (D) Both (A) and (B) The filtrate from the glomerulus contains : (A) Urea and uric acid (B) Urea, uric acid and ammonia (C) (C) Urea rea, uri uric c aci acid, amm mmo onia nia and and water ater (D) (D) Ure Urea, a, uric uric acid acid,, glu gluco cose se and and water ater.. Which blood vessel contains the least amount of urea. ur ea. (A) Hepatic vein (B) Renal vein (C) Hepatic portal vein (D) Renal artery Among which of the ffollowin ollowing g are part of nephron: (A) Cortex (B) Medulla (C) Bowman’s capsule (D) Collecting duct The amount of DNA present in a diploid cell at the end of interphase will be equivalent to : (A) 2 N (B) 2 X 2 N (C) 4 N (D) 2 XN What is the difference in the structure of pentose sugar in RNA & pentose sugar in DNA? (A) Ribose sugar is linked to phosphoric acid but deoxyribose sugar is not (B) Ribose sugar is linked to pyrimidine but deoxyribose sugar is linked to purine (C) Ribose sugar is linked to purine but deoxyribose sugar is linked to pyrimidine (D) Ribose sugar has hydroxyl group at C-2 position while deoxyribose sugar has alone H atom in place 1 of this OH group
18. 19. 20.
21.
22. 23.
24. 25.
Semiautonomous cell organelles are : (A) Endoplasmic reticulum(B) Mitochondria (C) Chloroplast (D) Both B and C Example of homopolysaccharides are : (A) Starch (B) Glycogen (C) Glucose (D) Both A and B In animals, cellular totipotency has been restricted only to : (A) Germinal cells (B) Epithelial cells (C) Zygote (D) Zygote and early blastomeres Protoplasm is : (A) Emulsion (B) Complex collodial solution (C) Molecular solution (D) Sustpension Golgi apparatus receives biochemicals with the help of transition vesicles form ed by : (A) E.R. (B) Plasmalemma (C) Lysosomes (D) Nuclear blebs Circular DNA occurs in : (A) Bacteria only (B) Bacteria and chloroplasts (C) All viruses (D) Bacteria, chloroplasts and mitochondria Which of the following structures is not found in an animal cell : (A) Microbodies (B) Heterochromatin (C) Plamodesmata (D) Microfilments Nucleic acids are absent in : (i) Mitochondria (ii) Chloroplast (iii) Smooth E.R. (iv) Rough E.R. (v) Nucleolus (A) Only (iii) (B) (ii) and (iii) (C) (i), (ii), (iv) and (v) (D) (iii), (iv) and (v)
2
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PRACTICE PROBLEMS SESSION-2011-12 D PP N o . 02
Topic :- Natural resources, Environment,Diseases & Micro-organisms 1.
2.
3. 4. 5. 6. 7. 8. 9.
10. 11. 12. 13.
14. 15.
16.
Match the columns Column - 1 Column - 2 A. Cork Cells i. Alexender Flemming B. Germ Theory of diseases ii. Louis Pasteur C. Fermentation iii. Robert Hooke D. Penicillin iv. Robert Koch (A) (A) A i, B ii, ii, C iv iv, D iii iii (B) (B) A iii, iii, B iv iv, C ii, ii, D i (C) (C) A iv , B iii, iii, C ii, ii, D i (D) (D) A iii, iii, B ii, ii, C iv iv, D i The human Immunodeficiency Im munodeficiency Virus is considered deadly because : (A) It destroys the nervous system (B) It increases susceptibility to attack by other pathogens (C) It causes severe bleeding (D) It stops respiration Living organisms are used in (A) organic manure (B) biofertilizers (C) natural insecticides (D) pesticides Of total solar energy reaching earth, the amount utilized by the green plants is (A) 0.5% (B) 1.0% (C) 2.5 % (D) 5.0% Which bacterium lives in the intestine of human being ? (A) Lactobacillus (B) Azoto bacteria (C) Rhizobium (D) E-Coli Removal of an organ from the body affects the : (A) Community (B) Population (C) Individual (D) Society In food chain Herbivores are (A) Primary Primary producers producers (B) (B) Pri Primary mary cons consum umer ers s (C) (C) Seco Second ndar ary y consu consumer mers(D) s(D) Decompos Decomposers ers Water is a (A) (A) phy physica sicall reso resour urce ce (B) (B) chem chemic ical al res resou ourc rce e (C) (C) biol biolog ogiical cal reso resou urce rce (D) (D) natu natura rall reso resour urce ce Afforestation should include planting trees of (A) single useful kind (species) (B) many useful species (C) single species suited to the land (D) 6-7 species of diverse requirement requireme nt and benefit to environment Which component of soil gets deficient due to excess supply of water ? (A) Nutrients (B) Air (C) Minerals (D) Manure Example of photosynthetic bacteria is : (A) Iron bacteria (B) Sulphur bacteria (C) Nitrifying bacteria (D) Green sulphur bacteria Micro-organisms act upon the dead plants to produce : (A) Sand (B) Mushroom (C) Humus (D) W ood Metals which are most harmful to us are : (A) Lithium and Mercury (B) Mercury and Sodium (C) Sulphur and Sodium (D) Mercury and Lead Which of the following are carrier of dengue : (A) Aedes (B) Mosquito (C) Anopheles Mosquito (D) None of the above The process of vaccination was discovered by : (A) Edward Jenner (1796) (B) Robert Koch (1876) (C) Louis Pasteur (1879) (D) Von Behring (1891) Life of the memory cells to immune system is : (A) A few days (B) A few weeks 3 (C) A few hours (D) A few month to whole life
17.
18.
19.
20.
21. 22. 23.
24. 25.
Passive immunity is provided through : (A) Exogenous supply of antigens (B) Exogenous supply of antibodies (C) Endogenous supply of antigens (D) Endogenous supply of antibodies Interferon is protein that : (A) Inactivates a virus (B) Protects unattacked cells from virus (C) Prevents viruses from taking over the cellular machinary (D) All the above Acquired immunity is also called : (A) Adaptive immunity (B) Specific immunity (C) Non specific immunity (D) Both A & B A nonspecific immunity is : (A) Passive immunity (B) Active immunity (C) Innate immunity (D) Auto immunity A disease due to allergic reaction is : (A) Goitre (B) Hay fever (C) Enteric fever (D) Skin fever In an ecosystem, which of the following shows one-way passage ? (A) carbon (B) nitrogen (C) minerals (D) energy The familiar disease Amoebiasis is caused by (A) Entamoeba histolytica (B) Taenia solium (C) Ascaris lumbricoides (D) Wuchereria bancrofti Antibodies are produced by (A) RBCs (B) cell plasma (C) lymphocytes (D) saliva In order to prevent spreading of a communicable disease like cholera it is necessary to (A) Control the population of mosquitoes m osquitoes (B) Dry up all ponds in the neighbourhood (C) Educate people to drink boiled water and not to eat exposed food (D) Prevent others from coming com ing in contact with the diseased person
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PRACTICE PROBLEMS SESSION-2011-12 DPP N o . 0 3
Topic : Nutrition, Respiration & Transportation 1. 2.
3. 4.
5.
If someone had his/her bile duct choked. For which food would they face difficulty during digestion digestion ? (A) Salad green (B) W hite bread (C) Fatty bacon (D) Skim milk The plants die due to wilting when (A) Available light is reduced to half (B) Xylem is blocked (C) A few roots are broken (D) Phloem is blocked One person having blood group B requires transfusion. transfus ion. Blood which can be given should belong to group. (A) A and AB (B) O and A (C) O and B (D) B and AB Pathway of myogenic impulse conduction is (A) SAN AVN Bundle of His Purkinje Fibres (B) SAN AVN Purkinje fibres Bundle of His (C) AVN SAN Bundle of His Purkinje fibres (D) AVN Bundle of His SAN Purkinje fibres In the conversion of glucose to two molecules m olecules of pyruvate, which of the following does not occur? (A) Hydrolysis of ATP (B) Phosphorylation of ADP
6.
(C) Phosphorylation of hexose (D) Release of CO2 When CO2 concentration in blood increases breathing becomes : (A) Shallower and slower (B) There is no effect on breathing
7.
(C) Slow and deep (D) Faster and deeper In normal respiration in man, expiration is a passive process caused by: (A) A negative pressure principle (B) The relaxation of inspiratory muscles
8.
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(C) the increase increase in in the volume volume of thoracic thoracic cavity cavity (D) The contract contraction ion of inspir inspiratory atory muscles Which of the following f ollowing characterics applies to both xylem and phloem transport? (A) Follows a water potential gradient (B) Involves only living cells (C) Can occur in both directions (D) Involves active transport of solute with with passive movement of water. One of the followign is common to glycolysis glycolysis as well as Krebs cycle in eukaryotes eukaryotes : (A) Substrate level phosphorylation (B) Photophosphorylation (C) Localization in mitochondria (D) Production of FADH2 Thromboplastin is produced by (A) Damaged tissues (B) Blood platelets (C) Bo Both bl blood platelets an and damaged titissues (D) (D) Prot Prothr hrom ombi bin n Valves are not found f ound in. (A)veins (B) Arteries (C) Lymphatics (D) Heart In the cardiac cycle, blood pressure is at a maximum when : (A) (A) The The atri atria a are are cont contra racti cting ng dur durin ing g sys systo tole le (B) (B) The The atri atria a are are cont contrac racti ting ng duri during ng dias diasto tole le (C) The ventricles ventricles are contracti contracting ng during systole systole (D) The ventricles ventricles are relaxin relaxing g during systol systole e Mark the false statement : (A) The principal mineral cation in the ECF is sodium. (B) Copper deficiency causes anaemia (C) Vitamine K is a antihaemorrhagic vitamin (D) None of these Plants give give off oxygen oxygen because : (A) Oxygen results from the incorporation of carbon dixode into sugars. (B) Plants do not respire since they photosynthesize. (C) Water is the initial proton donor, leaving oxygen as a photosynthetic by-product. (D) All of the above
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15.
Which enzyme initiates protein digestion ? (A) Pepsin
16.
17.
18.
(D) Carboxy peptidase
(A) ATP in photosynthesis
(B) NADH in photosynthesis
(C) ATP in respiration
(D) NADH in respiration
A specific function of light in the process of photosynthesis is (A) Reduction of CO2
(B) Activate other molecules
(C) Split water molecules
(D) None of the above
In electron transport system the last electron acceptor of photophosphorylation is (B) NADP+
(C) Atomic mic ox oxygen
(D) Ch Chlorophyll a
Which of the following process in excess causes temporary temporar y wilting ? (A) Respiration
20.
(C) Aminopeptidase
Oxidative phosphorylation is production of
(A) NADPH 19.
(B) Trypsin
(B) Transpiration
(C) Photosynthesis
(D) Imbibition
(B) Auricle
(C) Ventricle
(D) Sinus Vinosus
Bundle of His is found in (A) Heart
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PRACTICE PROBLEMS SESSION-2011-12
Su bject : Biology
D PP N o . 04 Topic : Diversity, Genetic & Origin & Evolution
1.
Formation of sporophyte from vegetative part of prothallus of a fern without sexual fusion : (A) Apocarpy
2.
6.
7.
(B) Gymnosperms
(C) Angiosperms
(D) Pteridophytes
(B) Photobiont
(C) Phycobiont
(D) Both (A) and (C)
(C) Pteridophytes
(D) Fungi
‘
Vascular Vascular cryptogams’ are :
(A) Bryophytes 5.
(D) Parthenogenesis
The algal partner of a lichen is called as : (A) Mycobiont
4.
(C) Apogamy
Simple polyembryony is characteristic of : (A) Bryophytes
3.
(B) Apospory
(B) Algae
What differentiates leaves of dicot from monocots : (A) Parallel venation
(B) Reticulate venation
(C) Stomata only on upper side
(D) Stomata both on upper and lower sides
DNA is : (A)Can be double and single stranded
(B) Rarely single stranded
(C) Always single stranded
(D) Rarely double stranded
Five out of twenty plants obtained by selfing a red flowered plant were having white flowers. This is an indication that plant is : (A) Homozygous
8.
9.
10.
(B) Heterozygous
(C) Homogenous
(D) Heterogenous
One of the following f ollowing is a nucleotide :
(A)
(B)
(C)
(D)
A nucleoside is : (A) Base + sugar
(B) Base + phosphate
(C) Sugar + phosphate
(D) Base + sugar + phosphate
Experiments in which electricity was discharged into a vessel containing hydrogen gas. Water vapour, methane, and ammonia amm onia were conducted by _______. Their results support Oparin’s theory on the origin of life. (A) Pasteur
11.
(B) W atson and Crick
(C) Miller and Urey
(D) Meselson and Stehl
The protobionts formed on primitive earth gave rise to : (A) Primitive eukaryotes
(B) Primitive prokaryotes
(C) Primitive mesokaryotes
(D) Multicellular eukaryotes
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12.
13.
14.
15.
16.
Which one was not given any role by the Darwin in his natural selection theory ? (A) Discontinuous variation
(B) Survival of fittest
(C) Struggle for existence
(D) Inheritance of useful characters
Which of these pairs of structures str uctures is considered to be homologous: (A) Forelimbs of bat and horse
(B) Tentacles of hydra and arms of starfish
(C) Wings Wings of of birds birds and and Fore Fore legs legs of horse horse
(D) (D) Wing Wings s of gras grass s hopp hopper er and and fore forelilimb mbs so off fly flyin ing g squi squirr rrel el
The greatest weakness of Darwin’s theory was his failure to give a satisfactory explanation for : (A) Overproduction
(B) Struggle for existence
(C) Variations
(D) Survival of the fittest
Mutations arise due to : (A) Infection by micro-organisms
(B) Abrupt changes in genes
(C) Hybridization
(D) Nutritional factor
What does the term “reproductive isolation” refer to : (A) An individual is unable to fertilize itself (B) Genes are not exchanged between two populations (C) Individuals from two populations never produce offspring (D) Individuals are solitary breeders.
17.
“
Ontogeny repeats phylogeny” This phenomenon is expressed by :
(A) Natural selection theory
(B) Given by Haeckel
(C) Recapitulation theory(D) Theory of inheritance inheritance of acquired character 18.
19.
20.
Acquired immunity is also called : (A) Adaptive immunity
(B) Specific immunity
(C) Non specific immunity
(D) Both A & B
The worm without an intermediate host is
:
(A) Taenia solium
(B) Fasciola hepatica
(C) W uchereria bancrofti
(D) Ascaris lumbricoids
A true fish is : (A) star fish
21.
(B) jelly fish
(C) silver fish
(D) dog fish
The major characteristic of phylum annelida is (A) flame cells
(B) metameric segmentation
(C) false cavity
(D) all of the above
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PRACTICE PROBLEMS SESSION-2011-12
Su b j e ct : B io l o g y
D PP N o . 05
Topic :- Control & Coordination in Animals & Plants, Reproductive System 1.
Match the plant hormones listed in column-I column -I with their major role listed in column-II column -II and mark your answer from codes given below the list : A. B. C. D.
Column-I Auxin Cytokinins Absc Absciisic sic acid acid Ethylene
1 2 3 4 5
Column-II fruit ripening Phototropism Stim Stimul ulat atiion of cel cell div divisio ision n Stomatal opening and closing Growth Growth of later lateral al buds buds
Codes : (A) (B) (C) (D) 2.
3.
A 2 3 2 2
B 3 2 5 4
C 4 4 4 5
D 1 1 3 1
Glucagon is produced by : (A) cells (B) Oxyntic cells
(C) cells
(D) Peptic cells
Which of the following is not found in plants : (A) GA (B) ABA
(C) 2, 4-D
(D) IAA
4.
If both both the the ova ovari ries es of a rat rat are are remo remove ved, d, whic which h horm hormon one e wil willl be defi defici cien entt : (A) Oestrogen (B) Prolactin (C) Oxytocin (D) Gonadotropic hormone
5.
The cerebellum is concerned with – (A) co –ordination of muscular movements (B) perception (C) memory (D) vision
6.
Auxin causes a plant shoot to bend toward light by causing cells : (A) To To grow less rapidly on the light side s ide of the shoot (B) To To grow more rapidly on the light side on the shoot (C) In the centre of the shoot to differentiate unevenly (D) To grow more rapidly on the dark side s ide of the shoot
7.
Which Which of of the the foll follow owin ing g wou would ld not not res resul ultt from from the the rele releas ase e of adr adren enal alin in (ep (epin inep ephr hrin ine) e) ? (A) Decreased blood flow to skin (B) Increased oxygen consumption (C) Rise in blood pressure (D) Increased conversion of glycogen to glucose
8.
Nerv erve imp mpul ulse se ini initiat tiates es with ith th the mov movem emen ents ts of : + ++ (A) K (B) Mg
(C) Ca++
9.
The cerebellum is concerned with – (A) co –ordination of muscular movements (B) perception (C) memory (D) vision
10.
Corpus luteum secretes : (A) LH (B) Estrogen
(C) Progesterone
(D) Na+
(D) FSH 9
11.
Temperature in scrotum necessary for sperm formation should be : (A) 2ºC above body temperature temperatu re (B) 2ºC below body temperature (C) 4ºC above body temperature (D) 4ºC below body temperature temper ature
12.
The hollow ball of cells formed from f rom cleavage is called the : (A) Blastomere (B) Morula (C) Blastula
(D) Blastocoel
13.
The sperm and the egg make different contributions to the zygote. Which statement about their contributions is false ? (A) The sperm contributions most of the mitochondria (B) The egg contributes most of the cytoplasm (C) Both the sperm and the egg contribute a haploid nucleus (D) All of the above are true tr ue
14.
Which statement is not true ? (A) Cleistogamous flowers are underground closed flowers (B) The embryosac of the ovule contain the egg (C) Double fertilization is found in both pinus and wheat (D) By cross pollination, the developed progeny is strong and more healthy
15.
The release of ovum from Graffian Graf fian follicles takes place during ..... day : th th (A) 12 - 14 (B) 2th - 10th (C) last 2 days of menstrual cycle (D) 8th - 10 10th
16.
Amniocentesis is a process to (A) determine any disease of heart (C) know about diseases of brain
(B) determine hereditary disease of embryo (D) all of these are correct
Parturition is controlled by : (A) Oxytocin (B) FSH
(C) LH
17.
18.
19.
Microscopic structure in a flower that contains contains the polar nuclei is : (A) Pollen tube (B) pollen sac (C) embryo sacs
(D) male-gametophyte
A pinch of yeast was added to 10% glucose solution and was left overnight in a warm place. Next day, day, a drop from the suspension was placed on the slide and was examined under microscope. Which of the following figures represent the expected result :
(1)
(A) (1) 20.
(D) androgen
(2)
(B) (2)
Which of the following are correct match : (A) Hydrophily – Pollination by wind (C) Anemophily – Pollination by water
(3)
(C) (3)
(4)
(D) (4)
(B) Chiropterophily – Pollination by bats (D) Ornithophily – Pollination by insect
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