TNPSC Group 1, 2 Biology Model Question Paper 2019-2020 - 1
Question: 1
Stump of well watered potted plant show exudation of sap due to
(A) Capilarity
(B) Transpiration pull
(C) Root pressure
(D) Cohesion force
Ans: C
Root pressure
Question: 2
Bed bug feeds on
(A) Adult mosquito
(B) Blood
(C) Mosquito larva
(D) Plant sap
Ans: B
Blood
Question: 3
Asexual spores produced exogenously on phialides are called
(A) Oogoonia
(B) Sporangia
(C) Oidia
(D) Conidia
Ans: D
Conidia
Question: 4
Light energy is converted into bio-chemical energy by
(A) Photosynthesis
(B) Osmosis
(C) Transpiration
(D) Respiration
Ans: A
Photosynthesis
Question: 5
Respiration in the absence of oxygen is
(A) Anaerobic respiration
(B) Aerobic respiration
(C) Transpiration
(D) Guttation
Ans: A
Anaerobic respiration
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