Related InterviewSolutions

• Agent orange isA. Weedicide with dioxinB. Chemical used in luminous paintC. Biodegradable insecticideD. Colour used in fluorescent temp.
• Plants requiring exposure to light for less than the critical photoperiod for flowering areA. LDPB. DNC. IDPD. SDP
• What is the site of perception of photoperiod necessary for induction of flowering in plants? LeavesA. StemB. LeavesC. Shoot apexD. Floral meristem.
• Match the following and chose the correct combination `{:(, "Column I",,ColumnII),(A,"Zeation",1, "flowering hormone"),(B,"Florigen ",2,"synthethic auxin "),(C,IBA,3,"cytokinin"),(D,"NAA",4, "Natural auxin"):}`A. a - 3, b - 1, c - 4, d - 2B. a - 4, b - 1, c - 2, d - 3C. a - 3, b - 4, c - 1, d - 2D. a - 2, b - 1, c - 4, d - 3
• Find the correct combination (A) DCMU ………Herbicide…….Inhibitor of non-cyclic electron transport (B) PMA…….Fungicide……..Reduces transpiration (C) Colchicine………Alkaloid……..Causes male sterility (D) Solnite-Sodium alginate……….Encapsulation of somatic embryos.A. a, bB. a, cC. b, cD. b, d
• The phenomenon wherein, the ovary develops into a fruit without fertilisation is calledA. ParthenogensisB. ParthenocarpyC. AposporyD. Apogamy.
• Which one hastens flowering in plantsA. StratificationB. ScarificationC. VernalisationD. Water deficit.
• The phenomenon which shortens vegetative period and hastens flowering isA. EtiolationB. VernalisationC. PhotoperiodismD. Parthenocarpy.
• Selaginella sperms swim towards archegonia. The phenomenon isA. ChemotaxisB. ChemotropismC. ChemonastyD. Thigmonasty
• Antherozoids are attracted towards archegonia in fern plant. The phenomenon isA. NyctinastyB. ChemonastyC. ThigmonastyD. Seismonasty.