Botany Objective Papers

1. On the basis of distribution of gases , the atmosphere has zonation in one of the following orders :
1) Troposphere , Mesosphere, Stratosphere, Ionosphere and Exosphere
2) Mesosphere, Stratosphere, Troposphere , Ionosphere and Exosphere
3) Ionosphere , Stratosphere , Mesosphere, Troposphere , and Exosphere
4) Troposphere ,Stratosphere, Mesosphere, Ionosphere and Exosphere

2. Which one is the correct zenation of vegetation from equator to pole of the earth ?
1) Tropical rainforest, Desert and grassland, Deciduous forest, conifer and Moss and Lichen
2) Desert and grassland, Moss and Lichen, Tropical rainforest, conifer and deciduous forest
3) Deciduous forest, tropical rainforest, grassland and desert, conifer and Moss and Lichen
4) Moss and Lichen, Tropical rainforest, deciduous forest, grassland and desert and conifers

3. In temperate climate, the leaf litter which falls from the tree is degraded very slowly and the basic compounds present on the upper surface are transported to deeper layer of soil due to rain . With the result the upper layer of soil becomes acidic in nature. The formation of this upper layer of soil is called :
1) Melanization
2) Laterization
3) Podsolization
4) Gleization

4. The vegetation having pneumatophores , prop roots, viviparous type of seed germination and stem with thick cuticle are characteristics of :
1) Xerophytes
2) Mangroves
3) Succulent Xerophytes
4) Epiphytes

5. In India tropical humid evergreen forests are found in :
1) Eastern Ghats and Western Himalayas
2) Western Ghats and Andman groups of Islands
3) Central India and Bengal
4) Indogangetic Plain and Indus River

6. Savannal biomes are characterized by :
1) Xerophyte plants and the rainfall is less than 10 inch
2) Small coniferous trees and the rainfall is 10­20 inch per year
3) Grassland with scattered tress and the rainfall is 40­60 inches per year
4) Dense forest and the rainfall is 80­100 inches per year

7. The tree which is considered most important for survival of man in desert of Rajasthan :
1) Acacia Senegal
2) Calligonum polygonnides
3) Capparis decidua
4) Prosopis cineraria

8. plant species which are genotypically distinct, interfertile and occur in distinct habitat are called :
1) Ecad
2) Ecotype
3) Ecoline
4) Coenospecies

9. In a population , the organisms which are left after the death of organisms are called survivors. If a group is plotted between number of survivors and their age (% life span) , then different shapes are formed. But if most of the members of living population complete their normal biotic potential and their death occurs with old age, in such living population the survivor graph will be of shape :
1) Concave
2) Convex
3) Sigmoid
4) Diagonal

10. On the basis of Growth forms the cryptophytes are characterized as :
1) The perennating buds or structure of the plants are protected below the soil
2) The perennating buds or structures are above the ground up to 25 cm.
3) In such plants, perenating buds or structure are not present
4) The perennating buds o0r structures are more than 30 cm above the ground

11. If one wants to study the structure and stratification of plant community , which method will be most suitable :
1) Plot less Method
2) Chart Method
3) Count Method
4) Transect Method

12. Select the one which shows correct sequence of stages in plant succession
1) Alga and Crustose lichen stage , Foliose lichen stage, Herbaceous Stage, Moss Stage, Shrub Stage and Tree
2) Foliose lichen stage, Moss Stage , Crustose lichen stage , Shrub Stage , Herbaceous Stage and Tree
3) Crustose lichen stage , Foliose lichen stage, Moss Stage , Herbaceous Stage, Shrub Stage and Tree
4) Alga and Crustose lichen stage , Foliose lichen stage, Herbaceous Stage, Moss Stage, Shrub Stage and Tree

13. Pyramid of biomass of pond and forest ecosystem is :
1) Straight in both
2) Straight and inverted, respectively
3) Inverted and straight , respectively
4) Inverted in both

14. In a food chain , the amount of energy received by secondary consumer from primary consumer is ­
1) 0.1 %
2) 01 %
3) 10 %
4) 50 %

15. Mycorrhiza helps in mobilization of one of the minerals from soil to the plant is :
1) Copper
2) Sulphur Only
3) Nitrogen Only
4) Phosphorus

16. Which of the following is called super green house gas/gases ­
1) CFCs ( Chloro Fluro Carbon )
2) HCFs (Hydro Chloro Fluro Carbon )
3) HFCs ( Non chlorinated hydro Fluro Carbon )
4) CO2

17. According to Mace and Lande (1991) an endangered species ­
1) Has 20 % probability of extinction within 20 years or 10 generations
2) Has 50 % or more probability of extinction within 5 years
3) Has 10 % probability of extinction within 100 years
4) Has 20 % probability of extinction within 5 years or 2 generations

18. Which plant species in particular indicate burnt and highly distributed coniferous forests ?
1) Cassia obtusifolia
2) Pteridium spp
3) Quercus marilandica
4) Amaranthus spp

19. According to the report of Ministry of environment and Forest (201 the number of National Parks and wild life sanctuaries in Rajasthan are respectively :
1) 5 and 23
2) 5 and 25
3) 5 and 35
4) 5 and 15

20. The only breeding place for flamingoes in India is :
1) Gangetic Plain
2) Marine coasts
3) Deccan peninsula
4) Desert

21. Minimata epidemic was caused by methyl mercury. Methyl mercury penetrates in children through :
1) Blood
2) Placenta
3) Genitals
4) Water

22. Which Ministry of Govt. Of India is assigned the responsibility for carrying out Environmental impact Assessment (EIA) of developmental projects :
1) Ministry of HRD
2) Ministry of Environment and Forest
3) Ministry of Defence
4) Ministry of Law

23. Loudness is also expressed in sones . One sone equals the loudness of :
1) 80 db, at 1000 hz
2) 40 db, at 1000 hz
3) 100 db, at 1000 hz
4) 20 db, at 1000 hz

24. IUCN (the International Union for Conservation of Nature and Natural Resources) in 2012 recognized how many Red List categories of species ?
1) 4
2) 5
3) 9
4) 10

26. The Environment (protection) Act , was promulgated in :
1) 27 May,1986
2) 5 June,1986
3) 23 May,1986
4) 16 May,1981

27. The two main characteristics of a hotspot are :
1) The area must contain 0.5 % of world’s 3,00,000 species and should have lost 70 % or more of its primary vegetation
2) The area must contain 5 % of world’s 3,00,000 species and should have lost 50 % or more of its primary vegetation
3) The area must contain 0.5 % of world’s 3,00,000 species and should have lost 50 % or more of its primary vegetation
4) The area must contain 15 % of world’s 3,00,000 species and should have lost 70 % or more of its primary vegetation

28. Consider the following statements : (a) Fatty oils consists of glycerin in combination with a fatty acid (b) Fats generally contains oleic acid ( c) Arachis hypogia seed oil is non­drying oil Which of the above statement/s is/are correct ?
1) (a) Only
2) (b) Only
3) (a) and (c )
4) (b) and (c )

29. The oil content of the improved varieties of soybean is ­
1) 5 to 8 %
2) 11 to 14 %
3) 19 to 22 %
4) 27 to 30 %

30. Which of the following is the first sugar to be manufactured by the plants ?
1) Fructose
2) Glucose
3) Maltose
4) Sucrose

31. Which of the following is an old world plant cultivated over 4000 years ?
1) Peanut
2) Potato
3) Tea
4) Tobacco

32. Which of the plants are the natives of South eastern Asia ?
1) Cotton and Guava
2) Tomato
3) Red pepper and Peanut
4) Rice and Sugarcane

33. Consider the following statements : (a) Jagannath, Jamuna and Jaya are the high yielding Indian varieties of Rice. (b) Safed lerma , Lerma Rojo and choti Lerma are the high yielding wheat varieties of India. (c ) NP 4, NP 52 and NP 125 are the high yielding Indian varities of Bajra. Which among the above statement(s) is/are correct ?
1) (a) Only
2) (c) Only
3) (a) and (b)
4) (b) and (c)

34. Which of the following has the maximum amount of protein in its grains ?
1) Barley
2) Maize
3) Rice
4) Wheat

35. Match List I with List II and select the correct answer using the codes given below : List I ( Pulses) List II (Botanical Names) (a) Black gram (i) Vigna aconitifolia (b) Cow Pea (ii) Vigna mungo (c ) Green Gram (iii) Vigna radiata (d) Moth (iv) Vigna unguiculata
1) (a) (i) , (b) (iii) , (c ) (ii) , (d) (iv)
2) (a) (ii) , (b) (iv) , (c ) (iii) , (d) (i)
3) (a) (iii) , (b) (i) , (c ) (iv) , (d) (ii)
4) (a) (iv) , (b) (ii) , (c ) (i) , (d) (iii)

36. Match List I with List II and select the correct answer using the codes given below : List I ( Medicinal Plants) List II (Parts Used) (a) Atropa belladona (i) Bark (b) Cinchona officinalis (ii) Leaves (c ) Ehedra gerardiana (iii) Roots (d) Rauvolfia serpentina (iv) Stem
1) (a) (iv) , (b) (iii) , (c ) (ii) , (d) (i)
2) (a) (iii) , (b) (ii) , (c ) (i) , (d) (iv)
3) (a) (ii) , (b) (i) , (c ) (iv) , (d) (iii)
4) (a) (i) , (b) (iv) , (c ) (iii) , (d) (ii)

37. Alkaloid scolomine is obtained from ­
1) Atropa belladonna
2) papaver somniferum
3) Rauvolfia serpentina
4) Withania somnifera

38. Which one of the following is a correct statement ?
1) Coffee plant is native of England.
2) Coffee was brought to India by the East India Company
3) Karnataka, Kerala and Tamil nadu are the three major coffee producing stated of India
4) Coffee plant is a member of family Leguminosae

39. Consider the following statements : (a) India is the largest tea producing country in the world. (b) In congue grade of tea , the smallest leaf is used (c ) The grade of tea depends on the age of the leaves. Which of the above statement(s) is/are correct ?
1) (a) Only
2) (b) Only
3) (a) and (c)
4) (b) and (c)

40. Pseudo­embryo­sac is found in :
1) Cruciferae
2) Capparidaceae
3) Podostemaceae
4) Poaceae

41. Freeze fracture electron microscopy allows visualization of ­
1) Surface Structures
2) Cell Organelles
3) Interior of Cell membrane
4) All of these

42. The resolving power of a light microscope depends upon which of the following factors ?
1) Wavelength of the light used
2) Numerical aperture
3) Refractive Index
4) All of these

43. The glutaraldehyde used during transmission electron microscopy is meant for ­
1) Dehydration of tissues
2) Fixation of protein molecules
3) Softening of tissues
4) Stabilization of lipid bi­layer

44. The confocal electron microscopy enables :
1) Collection of 3 D data
2) Optical Sectioning
3) Better depth resolution
4) All of these

45. In spectophotometry the absorbance of a colored solution is dependent upon ­
1) Concentration only
2) path length only
3) Both Concentration and path length
4) None of These

46. Enzyme­linked Immunosorbent Assay was developed by ­
1) Engvall and perlmann in 1971
2) Engvall and Richardson in 1971
3) Richardson in 1978
4) Voller, Bartlett and Bidwell in 1978

47. Electrophoresis is a technique by which one can separate which of the following?
1) Proteins
2) Proteins and DNA
3) DNA
4) Proteins , DNA and Isozymes

48. In an electrophoresis experiment for separation of protein , a decrease in migration was observed . What could be the reason ?
1) Increased molecular size
2) Increased ionic strength
3) Increased current
4) Both Increased molecular size and increased ionic strength