NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Botany MCQs (Practice_Test 95 of 104)
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- Match List I with List II and select the correct answer
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Botany MCQs (Practice_Test 95 of 104) List-I List-II - Medicago sativa
- Tabebuia chrysantha
- Sesbania cannabina
- Derris elliptica
- Fodder
- Ornamental
- Biofertilizer
- Insecticide
- A
- B
- C
- D
- 2
- 1
- 3
- 4
- 1
- 2
- 3
- 4
- 1
- 3
- 2
- 4
- 1
- 2
- 4
- 3
- The alkaloid emetine is extracted from the
- Seeds of Strychnos
- Roots of Aconitum
- Seeds of Datura
- Roots of Cephalous
- ‘Triphala’ powder is prepared from
- Terminalia belerica, T. Chebula and T. Tomentosa
- Terminalia belerica, T. Chebula and phyllanthus emblica
- Terminalia chebula, Phyllanthus emblica and Diospyros melanoxylon
- Terminalia chebula, buchanania lanzan and emblica officinalis
- Germplasm Banks also preserve rare genotypes for
- Breeding and improvement
- Cultivation on large scale
- Tracing the history of evolution
- Chromosome study and phylogeny of cyto-types
- Unforeseen detrimental consequences of an environmental modification are described as
- Sub-critical inputs
- Non-critical inputs
- Backlashes
- Critical inputs
- Production of androgenic haploids using tissue culture technique was reported for the first time in
- Solanum
- Capsicum
- Hyoscyamus
- Datura
- Which one of the following is a class of cell wail degrading enzymes and is used for the purpose of protoplast isolation?
- Nucleases
- Lipases
- Cellulases
- Peroxidases
- For energy plantation, selection of suitable species is the most crucial aspect. Consider the following statements in this regard: The species must have
- Good coppicing ability.
- High calorific value of wood.
- Economic importance.
- Capacity for early flowering.
- Of these statements
- 1 and 2 are correct
- 2 and 3 are correct
- 3 and 4 are correct
- 1,2, 3 and 4 are correct
- Consider the following statements: Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to
- Resist drought and increase absorptive area.
- Tolerate extremes of ph.
- Resist disease infestation
- Of these statements
- 2 and 3 are correct
- 1 and 2 are correct
- 1 and 3 are correct
- 1,2 and 3 are correct
- Which one of the following microbes provides a natural system for gene transfer to produce transgenic plants?
- E. Coil
- Pseudomonas syringae
- Agrobacterium tumefaciens
- Bacillus thuringiensis
- Artificial seeds are produced by
- Immobilization of somatic embryos
- Biotransformation
- Biosynthesis
- Enzymatic isolation
- Allelopathic effect of excretions of one plant species on another associated plant species is related to
- Healing of wounds
- Inhibition of growth
- Promotion of closer association
- Prevention of attack by pathogenic microbes.
- Which one of the following tree species is an actinorhizal nitrogen fixer?
- Lecaena leucocephala
- Acacia auriculiformis
- Prosopis juliflora
- Casuarina equisetifolia
- Which of the following pairs of plant categories and habitat types are correctly matched?
- Match Item 1: Sociophytes:
- Match Item 2: Shady
- Match Item 1: Heliophytes:
- Match Item 2: Sunny
- Match Item 1: Psammophytes
- Match Item 2: Sandy
- Select the correct answer using the codes given below:
- 1,2 and 3
- 1 and 2
- 1 and 3
- 2 and 3
- Greenhouse gases are called as such because they
- Prevent the escape of heat waves reradiated from the earth՚s surface
- Are produced in greenhouses
- Are used in warming plant growth chambers
- Help in maintaining atmospheric O2 and CO2 balance