Tamil Nadu (English Medium) Plus 1 Biology Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Binomial nomenclature was first issued in.

(A) Systema Naturae	(B) Genera Plantarum
(C) Genera Animalium	(D) Historia plantarum

Question-2
Calcium encrustation and larvicidal properties are present in :

(A) Chara	(B) Oscillatoria
(C) Diatoms	(D) Caulerapa

Question-3
Ulothrix releases zoospore during :

(A) Evening	(B) Morning
(C) Night	(D) Noon

Question-4
Which has vascular tissue, produces spores but does not has seeds ?

(A) Bryophyta	(B) Pteridophyta
(C) Gymnosperms	(D) Angiosperms

Question-5
Which of the following is an algal parasite ?

(A) Volvox	(B) Ulothrix
(C) Porphyra	(D) Cephaleuros

Question-6
Which region is responsible for origin of rhizoids in Funaria ?

(A) Lateral region	(B) Dorsal region
(C) Ventral region	(D) Basal region

Question-7
Carrageen, a jelly like substance is obtained from :

(A) Chondrus	(B) Fucus
(C) Sargassum	(D) Ulothrix

Question-8
The kidney-shaped covering of sorus in Dryopteris, is called :

(A) Placenta	(B) Ramentum
(C) Sporophyll	(D) Indusium

Question-9
Which one is the wrong pairing for the disease and its casual organism ?

(A) Late blight of potato - Alternaria solani	(B) Black rust of wheat - Puccinia graminis
(C) Loose smut of wheat - Ustilago nuda	(D) Rootknot of vegetables - Meloidogyne sp

Question-10
Plants forming spores but lacking seed and vascular tissue are :

(A) Gymnosperms	(B) Angiosperms
(C) Bryophytes	(D) Pteridophytes

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Plus 1 Biology Science

Tamil Nadu (English Medium)

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