1) A group of organisms is considered as one single species due to
(a) their morphological similarities inspite of their diverse genetic contents
(b) their certain correlated characters
(c) their ability to interbreed freely and produce fertile offsprings
(d) all of these.
2) Middle Palaeozoic Era is also called
(a) age of ferns (b) age of gymnosperms (c) age of algae (d) age of flowering plants.
3) Consider the following statements regarding chlorophyll structure and choose the incorrect one.
(a) The porphyrin head is made up of four pyrrole rings which are linked by methine bridges.
(b) A non-ionic magnesium atom is held in the centre of porphyrin head.
(c) Phytol, the long chain of alcohol, anchors the chlorophyll molecule into thylakoid membrane.
(d) Without the Mg-core it is termed as phaeophytin which is white in colour.
4) Identify the mismatched pair.
(a) Aerobic respiration Aerobic breakdown of organic food
(b) Fermentation Anaerobic breakdown of carbohydrates
(c) Putrefaction Aerobic breakdown of proteins
(d) Decay Aerobic breakdown of organic compound
5) In rose and peach,
(a) flowers are hypogynous
(b) flowers are zygomorphic and bracteate
(c) flowers are perigynous
(d) flowers are epigynous.
6) In a mycelia of club fungi, cells are with haploid nuclei. It is called
(a) clamp connection (b) secondary mycelium (c) primary mycelium (d) sclerotia.
7) In gymnosperm life cycle, the haploid phase is represented by
(a) male and female cone
(b) microsporophyll and megasporophyll
(c) microspores and megaspores
(d) all of these.
8) Alexander Fleming in 1928 discovered the first antibiotic penicillin from a mould Penicillium notatum, while working on
(a) Steptococcus
(b) Staphylococcus
(c) Streptomyces
(d) Salmonella.
9)Identify the correctly matched pair.
(a) NADPreductase Outersurface of thylakoid membrane
(b) Lightharvesting complexll P700
(c) Cytochromec Thylakoid lumen
(d) Ubiquinone lnter-membrane space of mitochondria
10) If the intraocular pressure is continuously increased due to the blocked canal of Schlemm, it may cause
(a) hypermetropia
(b) glaucoma
(c) myopia
(d) presbyopia.
11) Which of the following parts of mouth of cockroach bears the organ of taste?
(a) Mandibles (b) Maxillae
(c) Hypopharynx (d) Labrum
12) In Bowman's capsule very minute filtration slits are present formed by the special cells. These special cells are the modification of
(a) simple squamous epithelium
(b) simple cuboidal epithelium
(c) simpIe columnar epithelium
(d) transitional epithelium.
14. Select the correct order of plant succession in hydrosere.
(a) tha -> Lemna -9 Hydri/la --> Carex
(b) Hydri/la -> Typha -> Lemna -> Carex
(c) Typha -> Hydri/la a Lemna -> Carex
(d) HydriI/a -> Lemna -> Typha -> Carex
15. Consider the given statements and choose the correct option accordingly.
StatementA When gall bladder is operated and removed from GI tract of a person, it resulted in poor digestion of fats.
Statement B Gail bladder synthesises, stores and concentrates bile.
(a) Both statements A and B are correct and B is the correct explanation of A.
(b) Both statements A and B are correct but B is not the correct explanation of A.
(c) Statement A is correct but statement B is incorrect.
(d) Both statements A and B are incorrect.
16) Function of LNG-ZO is associated with
(a) inhibition of ovulation
(b) suppressing sperm motility
(c) decreasing fertilising capacity of sperm
(d) making uterus unsuitable for implantation.
17) Sexual reproduction is mostly absent in dinoflagellates except in
(a) Ceratium
(b) Blastodinium
(c) Glenodinium
(d) Astasia.
18)Plants show many mechanisms to ensure cross pollination in the given options, except
(a) dichogamy (b) dicliny (c) herkogamy (d) homogamy.
19) Anal cerci are present on of cockroach.
(a) 8th abdominal segment
(b) 9th abdominal segment
(c) 1Oth abdominal segment
(d) 10th abdominai segment of male only
19) Read the following statements and select the correct Option.
Statement A Colchicine induces polyploidy which is useful in raising several varieties of agricultural and horticu|tural plants.
Statement B Coichicine does not allow the formation of mitotic spindle but has no effect on chromosome replication.
(a) Both statements A and B are correct and B is the correct explanation of A.
(b) Both statements A and B are correct but B is not the correct explanation of A.
(c) Statement A is correct but statement 8 is incorrect.
(d) Both statements A and B are incorrect.
20) Sprinkling salt on leeches would cause the immediate death of the organism because of
(a) hypotonic condition (b) endosmosis
(c) plasmolysis (d) skin ruptures due to turgidity.
21)Which one of the following is not correct about DHU loop of tRNA?
(a) It is the largest loop which contains 7-10 bases.
(b) It contains dihydrouridine.
(c) It is the binding site for aminoacyl synthetase enzyme.
(d) None of these
22) Coelacanth, a living fossil caught from the eastern coast of South Africa, is a connecting link between
(a) amphibians and reptiles (b) reptiles and birds
(c) birds and mammals (d) fishes and amphibians.
23)Which one of the following is not a characteristic feature of the Class Reptilia?
(a) Skin bears epidermal scales or scutes.
(b) Respiration takes place through lungs.
(c) Skull is dicondylic.
(d) Kidneys are metanephric.
24)An undifferentiated, unorganised nucleus without any limiting membrane is not observed in
(a) E.coli, Salmonella, Nostoc
(b) Salmonella, Staphylococcus, Micrococcus
(c) E.coli, Staphylococcus, Hivularia
(d) Trichomonas, Leishmania, Trypanosoma.
(a) their morphological similarities inspite of their diverse genetic contents
(b) their certain correlated characters
(c) their ability to interbreed freely and produce fertile offsprings
(d) all of these.
2) Middle Palaeozoic Era is also called
(a) age of ferns (b) age of gymnosperms (c) age of algae (d) age of flowering plants.
3) Consider the following statements regarding chlorophyll structure and choose the incorrect one.
(a) The porphyrin head is made up of four pyrrole rings which are linked by methine bridges.
(b) A non-ionic magnesium atom is held in the centre of porphyrin head.
(c) Phytol, the long chain of alcohol, anchors the chlorophyll molecule into thylakoid membrane.
(d) Without the Mg-core it is termed as phaeophytin which is white in colour.
4) Identify the mismatched pair.
(a) Aerobic respiration Aerobic breakdown of organic food
(b) Fermentation Anaerobic breakdown of carbohydrates
(c) Putrefaction Aerobic breakdown of proteins
(d) Decay Aerobic breakdown of organic compound
5) In rose and peach,
(a) flowers are hypogynous
(b) flowers are zygomorphic and bracteate
(c) flowers are perigynous
(d) flowers are epigynous.
6) In a mycelia of club fungi, cells are with haploid nuclei. It is called
(a) clamp connection (b) secondary mycelium (c) primary mycelium (d) sclerotia.
7) In gymnosperm life cycle, the haploid phase is represented by
(a) male and female cone
(b) microsporophyll and megasporophyll
(c) microspores and megaspores
(d) all of these.
8) Alexander Fleming in 1928 discovered the first antibiotic penicillin from a mould Penicillium notatum, while working on
(a) Steptococcus
(b) Staphylococcus
(c) Streptomyces
(d) Salmonella.
9)Identify the correctly matched pair.
(a) NADPreductase Outersurface of thylakoid membrane
(b) Lightharvesting complexll P700
(c) Cytochromec Thylakoid lumen
(d) Ubiquinone lnter-membrane space of mitochondria
10) If the intraocular pressure is continuously increased due to the blocked canal of Schlemm, it may cause
(a) hypermetropia
(b) glaucoma
(c) myopia
(d) presbyopia.
11) Which of the following parts of mouth of cockroach bears the organ of taste?
(a) Mandibles (b) Maxillae
(c) Hypopharynx (d) Labrum
12) In Bowman's capsule very minute filtration slits are present formed by the special cells. These special cells are the modification of
(a) simple squamous epithelium
(b) simple cuboidal epithelium
(c) simpIe columnar epithelium
(d) transitional epithelium.
14. Select the correct order of plant succession in hydrosere.
(a) tha -> Lemna -9 Hydri/la --> Carex
(b) Hydri/la -> Typha -> Lemna -> Carex
(c) Typha -> Hydri/la a Lemna -> Carex
(d) HydriI/a -> Lemna -> Typha -> Carex
15. Consider the given statements and choose the correct option accordingly.
StatementA When gall bladder is operated and removed from GI tract of a person, it resulted in poor digestion of fats.
Statement B Gail bladder synthesises, stores and concentrates bile.
(a) Both statements A and B are correct and B is the correct explanation of A.
(b) Both statements A and B are correct but B is not the correct explanation of A.
(c) Statement A is correct but statement B is incorrect.
(d) Both statements A and B are incorrect.
16) Function of LNG-ZO is associated with
(a) inhibition of ovulation
(b) suppressing sperm motility
(c) decreasing fertilising capacity of sperm
(d) making uterus unsuitable for implantation.
17) Sexual reproduction is mostly absent in dinoflagellates except in
(a) Ceratium
(b) Blastodinium
(c) Glenodinium
(d) Astasia.
18)Plants show many mechanisms to ensure cross pollination in the given options, except
(a) dichogamy (b) dicliny (c) herkogamy (d) homogamy.
19) Anal cerci are present on of cockroach.
(a) 8th abdominal segment
(b) 9th abdominal segment
(c) 1Oth abdominal segment
(d) 10th abdominai segment of male only
19) Read the following statements and select the correct Option.
Statement A Colchicine induces polyploidy which is useful in raising several varieties of agricultural and horticu|tural plants.
Statement B Coichicine does not allow the formation of mitotic spindle but has no effect on chromosome replication.
(a) Both statements A and B are correct and B is the correct explanation of A.
(b) Both statements A and B are correct but B is not the correct explanation of A.
(c) Statement A is correct but statement 8 is incorrect.
(d) Both statements A and B are incorrect.
20) Sprinkling salt on leeches would cause the immediate death of the organism because of
(a) hypotonic condition (b) endosmosis
(c) plasmolysis (d) skin ruptures due to turgidity.
21)Which one of the following is not correct about DHU loop of tRNA?
(a) It is the largest loop which contains 7-10 bases.
(b) It contains dihydrouridine.
(c) It is the binding site for aminoacyl synthetase enzyme.
(d) None of these
22) Coelacanth, a living fossil caught from the eastern coast of South Africa, is a connecting link between
(a) amphibians and reptiles (b) reptiles and birds
(c) birds and mammals (d) fishes and amphibians.
23)Which one of the following is not a characteristic feature of the Class Reptilia?
(a) Skin bears epidermal scales or scutes.
(b) Respiration takes place through lungs.
(c) Skull is dicondylic.
(d) Kidneys are metanephric.
24)An undifferentiated, unorganised nucleus without any limiting membrane is not observed in
(a) E.coli, Salmonella, Nostoc
(b) Salmonella, Staphylococcus, Micrococcus
(c) E.coli, Staphylococcus, Hivularia
(d) Trichomonas, Leishmania, Trypanosoma.