BOTANY- PAGE 14
1. Prions are-
1) Infectious protein bodies
2) RNA
3) DNA
4) Both RNA and DNA
Ans: 1
2 Select incorrect statement-
1) Viroids are minute self-replicative RNA
2) Viroids were discovered in Potato spindle tubers
3) Viroids are sensitive to DNase
4) Viroids are sensitive to RNase
Ans: 3
3. Select the odd one-
1) Kelp
2) Iodine
3) Rhodophyceae
4) Phaeophyceae
Ans: 3
4 Cephaleuros-
1) Is a diatom
2) Causes red rusts of many plants including tea
3) Is a nitrogen fixing blue green algae
4) Is a lichen
Ans: 2
5. Downy mildew of Bajra is caused by-
1) Claviceps
2) Sclerospora graminicola
3) Plasmopara viticola
4) Phytophthora infestans
Ans: 2
6. Select the incorrect statement-
1) Cell theory is one of the central unifying idea in biology
2) Cell theory was proposed by Schleiden and Schwann
3) Charles Darwin’s theory of evolution is the most important generalization in Biology
4) Central Dogma of molecular biology was proposed by James Watson
Ans: 4
7. Select incorrect statement-regarding Lichens.
1) Lichens are fungi that discovered agriculture. They cultivate partners that manufacture food by photosynthesis. Sometimes the partners are Protista (unicellular green algae: microalgae)
2) Other time the partners of lichens are Monera, the Blue Green Algae
3) Some fungi associate with both the Monera and Protista at once
4) Lichen fungi are parasites on algal partner(s)
Ans: 4
8 Select incorrect statement-
1) In some species of Anthoceros stoma-like pores or slits are present on ventral surface of the thallus. These are called slim pores
2) Every thallus cell of Anthoceros contains one large chloroplast and has a pyrenoid in the center
3) Cavities of Anthoceros contains blue green algae ( Nostoc colonies)
4) Ventral surface of the thallus of Anthoceros bears numerous multicellular branched rhizoids.
Ans: 4
9. The concept of origin of land plants from green algae was suggested and supported by an Indian scientist.whose name is
1) P.N.Mehra
2) S.R.Kashyap
3) T.V.Desikachary
4) N.S.Rangaswamy
Ans: 1
10. Scientist who is considered father of bryology in India is
1) P.N.Mehra
2) S.R.Kashyap
3) P.Maheshwari
4) B.M.Johri
Ans: 2
11. Physcomitrella patens, a model organism for modern plant biology/New biology is-
1) Primitive angiosperm
2) A Gymnosperm
3) A member of pteridophyte group
4) A moss (Bryophyte)
Ans: 4
12. Select incorrect statement-
1) alpha-Amanitin is toxic to RNA Polymerase -II
2) RNA Polymerase- I is resistant to alpha-Amanitin
3) RNA Polymerase- III is affected negatively by higher concentrations of alpha-Amanitin
4) alpha-Amanitin producing fungi are edible
Ans: 4
13. Select incorrect statement-
1) Bryophytes are amphibian plants
2) Bryophytes produce embryos
3) Pteridophytes are vascular plants; some of these exhibit heterospory
4) Stomata are present in all the bryophytes
Ans: 4
14. Select incorrect statement-
1) Salviniales order includes two genera Salvinia and Azolla that are free floating in water
2) Salvinia and Azolla bear well developed root systems
3) Azolla leaves are bilobed and harbor Anabaena azollae that fix free nitrogen
4) The same species of Anabaena resides in the leaves of the Azolla all over the world.
Ans: 2
15. Select incorrect statement-
1) The male gametes are non-motile in gymnosperms
2) Vessels are absent in the vascular systems of Gymnosperms
3) Endosperm of the gymnosperms is haploid
4) Companion cells are present in gymnosperms
Ans: 4
16. Select incorrect statement-
1) The coralloid roots are present in living cycads and they contain endophytic Rhizobia
2) Birbal Sahni was expert on fossil gymnosperms
3) The sperm of Cycas is the largest of all known male gametes in plants
4) Roasted seeds/endosperm of Ginkgo is eaten.
Ans: 1
17. A few species of Isoetes are found in India. Isoetes belongs to-
1) Lycopsida
2) Psilopsida
3) Sphenopsida
4) Pteropsida
Ans: 1
18. Select incorrect statement-
1) Rhynia gwynne-vaughanii and R. major were described by R.Kidston and W.H.Lang
2) Rhynia gwynne-vaughanii was a fern and R. major a bryophyte
3) Rhynia species are root-less and leafless with dichotomously branched aerial shoots and these reproduce profusely
4) Psilotum of Psilopsida is found in India
Ans: 2
19. Phog/Phogra is-
1) Calligonum polygonoides
2) Ephedra foliata
3) Polygonum species
4) Haloxylon species
Ans: 1
20. Guggul gum-resin is obtained from-
1) Commiphora wightii
2) Aquilaria agallocha
3) Boswellia serrata
4) Sterculia urens
Ans: 1
21. Till (sesame) is queen of edible oils. This is cultivated in Rajasthan and belongs to family-
1) Tilliaceae
2) Pedaliaceae
3) Brassicaceae
4) Oleaceae
Ans: 2
22. Guar gum is obtained from Cyamopsis tetragonoloba, the cluster bean. Find out incorrect statement on guar-
1) The guar gum is Galactomannan polysaccharides
2) The guar gum is obtained from endosperm of the seed
3) Guar belongs to the family Burseraceae that has many gum yielding plants
4) India is major guar gum exporting country of the world
Ans:3
23. The Directorate of Rapeseed-Mustard Research (DRMR) for research on Rapeseed, and Taramira is located in-
1) Uttar Pradesh
2) Haryana
3) Rajasthan
4) Madhya Pradesh
Ans: 3
24. Kans grass is relative of sugarcane. The botanical name of Kans grass is-
1) Saccharum spontaneum
2) Narenga porphyrocoma
3) Saccharum robustum
4) Erianthus contortus
Ans:1
25. Select incorrect statement-
1) Nicolay Ivanovich Vavilov was a Russian who identified the centers of origin of cultivated plants
2) Nicolay Ivanovich Vavilov was sentenced to death in July 1941. In 1942 his sentence was commuted to twenty years' imprisonment; he died in prison in 1943, of starvation
3) Vavilov supported the non-Mendelian concepts of Trofim Lysenko
4) N.I. Vavilov Institute of Plant Industry in St. Petersburg still maintains one of the world's largest collections of plant genetic material
Ans: 3
26:-The pioneer species in a terrestrial Xerarch, ecological succession is always
A:-Moss
B:-Lichen
C:-Algae
D:-Ferns
Ans: B
27:-The fruit which is developed from a Monocarpellary superior ovary is
A:-Capsule
B:-Berry
C:-Drupe
D:-Pepo
Ans: C
28:-Which of the following is not a Macronutrient?
A:-Potassium
B:-Nitrogen
C:-Calcium
D:-Iron
Ans: D
29:-The responses of plants to periods of day and night is termed as
A:-Photoperiodism
B:-Vernalisation
C:-Photosynthesis
D:-Respiration
Ans: A
30:-Natural aging of a lake by nutrient enrichment of its water is called
A:-Biomagnification
B:-Biochemical oxygen demand
C:-Eutrophication
D:-Algal bloom
Ans: C
1) Infectious protein bodies
2) RNA
3) DNA
4) Both RNA and DNA
Ans: 1
2 Select incorrect statement-
1) Viroids are minute self-replicative RNA
2) Viroids were discovered in Potato spindle tubers
3) Viroids are sensitive to DNase
4) Viroids are sensitive to RNase
Ans: 3
3. Select the odd one-
1) Kelp
2) Iodine
3) Rhodophyceae
4) Phaeophyceae
Ans: 3
4 Cephaleuros-
1) Is a diatom
2) Causes red rusts of many plants including tea
3) Is a nitrogen fixing blue green algae
4) Is a lichen
Ans: 2
5. Downy mildew of Bajra is caused by-
1) Claviceps
2) Sclerospora graminicola
3) Plasmopara viticola
4) Phytophthora infestans
Ans: 2
6. Select the incorrect statement-
1) Cell theory is one of the central unifying idea in biology
2) Cell theory was proposed by Schleiden and Schwann
3) Charles Darwin’s theory of evolution is the most important generalization in Biology
4) Central Dogma of molecular biology was proposed by James Watson
Ans: 4
7. Select incorrect statement-regarding Lichens.
1) Lichens are fungi that discovered agriculture. They cultivate partners that manufacture food by photosynthesis. Sometimes the partners are Protista (unicellular green algae: microalgae)
2) Other time the partners of lichens are Monera, the Blue Green Algae
3) Some fungi associate with both the Monera and Protista at once
4) Lichen fungi are parasites on algal partner(s)
Ans: 4
8 Select incorrect statement-
1) In some species of Anthoceros stoma-like pores or slits are present on ventral surface of the thallus. These are called slim pores
2) Every thallus cell of Anthoceros contains one large chloroplast and has a pyrenoid in the center
3) Cavities of Anthoceros contains blue green algae ( Nostoc colonies)
4) Ventral surface of the thallus of Anthoceros bears numerous multicellular branched rhizoids.
Ans: 4
9. The concept of origin of land plants from green algae was suggested and supported by an Indian scientist.whose name is
1) P.N.Mehra
2) S.R.Kashyap
3) T.V.Desikachary
4) N.S.Rangaswamy
Ans: 1
10. Scientist who is considered father of bryology in India is
1) P.N.Mehra
2) S.R.Kashyap
3) P.Maheshwari
4) B.M.Johri
Ans: 2
11. Physcomitrella patens, a model organism for modern plant biology/New biology is-
1) Primitive angiosperm
2) A Gymnosperm
3) A member of pteridophyte group
4) A moss (Bryophyte)
Ans: 4
12. Select incorrect statement-
1) alpha-Amanitin is toxic to RNA Polymerase -II
2) RNA Polymerase- I is resistant to alpha-Amanitin
3) RNA Polymerase- III is affected negatively by higher concentrations of alpha-Amanitin
4) alpha-Amanitin producing fungi are edible
Ans: 4
13. Select incorrect statement-
1) Bryophytes are amphibian plants
2) Bryophytes produce embryos
3) Pteridophytes are vascular plants; some of these exhibit heterospory
4) Stomata are present in all the bryophytes
Ans: 4
14. Select incorrect statement-
1) Salviniales order includes two genera Salvinia and Azolla that are free floating in water
2) Salvinia and Azolla bear well developed root systems
3) Azolla leaves are bilobed and harbor Anabaena azollae that fix free nitrogen
4) The same species of Anabaena resides in the leaves of the Azolla all over the world.
Ans: 2
15. Select incorrect statement-
1) The male gametes are non-motile in gymnosperms
2) Vessels are absent in the vascular systems of Gymnosperms
3) Endosperm of the gymnosperms is haploid
4) Companion cells are present in gymnosperms
Ans: 4
16. Select incorrect statement-
1) The coralloid roots are present in living cycads and they contain endophytic Rhizobia
2) Birbal Sahni was expert on fossil gymnosperms
3) The sperm of Cycas is the largest of all known male gametes in plants
4) Roasted seeds/endosperm of Ginkgo is eaten.
Ans: 1
17. A few species of Isoetes are found in India. Isoetes belongs to-
1) Lycopsida
2) Psilopsida
3) Sphenopsida
4) Pteropsida
Ans: 1
18. Select incorrect statement-
1) Rhynia gwynne-vaughanii and R. major were described by R.Kidston and W.H.Lang
2) Rhynia gwynne-vaughanii was a fern and R. major a bryophyte
3) Rhynia species are root-less and leafless with dichotomously branched aerial shoots and these reproduce profusely
4) Psilotum of Psilopsida is found in India
Ans: 2
19. Phog/Phogra is-
1) Calligonum polygonoides
2) Ephedra foliata
3) Polygonum species
4) Haloxylon species
Ans: 1
20. Guggul gum-resin is obtained from-
1) Commiphora wightii
2) Aquilaria agallocha
3) Boswellia serrata
4) Sterculia urens
Ans: 1
21. Till (sesame) is queen of edible oils. This is cultivated in Rajasthan and belongs to family-
1) Tilliaceae
2) Pedaliaceae
3) Brassicaceae
4) Oleaceae
Ans: 2
22. Guar gum is obtained from Cyamopsis tetragonoloba, the cluster bean. Find out incorrect statement on guar-
1) The guar gum is Galactomannan polysaccharides
2) The guar gum is obtained from endosperm of the seed
3) Guar belongs to the family Burseraceae that has many gum yielding plants
4) India is major guar gum exporting country of the world
Ans:3
23. The Directorate of Rapeseed-Mustard Research (DRMR) for research on Rapeseed, and Taramira is located in-
1) Uttar Pradesh
2) Haryana
3) Rajasthan
4) Madhya Pradesh
Ans: 3
24. Kans grass is relative of sugarcane. The botanical name of Kans grass is-
1) Saccharum spontaneum
2) Narenga porphyrocoma
3) Saccharum robustum
4) Erianthus contortus
Ans:1
25. Select incorrect statement-
1) Nicolay Ivanovich Vavilov was a Russian who identified the centers of origin of cultivated plants
2) Nicolay Ivanovich Vavilov was sentenced to death in July 1941. In 1942 his sentence was commuted to twenty years' imprisonment; he died in prison in 1943, of starvation
3) Vavilov supported the non-Mendelian concepts of Trofim Lysenko
4) N.I. Vavilov Institute of Plant Industry in St. Petersburg still maintains one of the world's largest collections of plant genetic material
Ans: 3
26:-The pioneer species in a terrestrial Xerarch, ecological succession is always
A:-Moss
B:-Lichen
C:-Algae
D:-Ferns
Ans: B
27:-The fruit which is developed from a Monocarpellary superior ovary is
A:-Capsule
B:-Berry
C:-Drupe
D:-Pepo
Ans: C
28:-Which of the following is not a Macronutrient?
A:-Potassium
B:-Nitrogen
C:-Calcium
D:-Iron
Ans: D
29:-The responses of plants to periods of day and night is termed as
A:-Photoperiodism
B:-Vernalisation
C:-Photosynthesis
D:-Respiration
Ans: A
30:-Natural aging of a lake by nutrient enrichment of its water is called
A:-Biomagnification
B:-Biochemical oxygen demand
C:-Eutrophication
D:-Algal bloom
Ans: C