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


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Question-1
Indusium is found in :

(A) Algae	(B) Ferns
(C) Moss	(D) Cycas

Question-2
In Funaria, the number of peristomial teeth is :

(A) 6	(B) 10
(C) 16	(D) 32

Question-3
In chlorophyceae, the mode of sexual reproduction is :

(A) Anisogamy	(B) Oogamy
(C) Isogamy	(D) All of these

Question-4
Mosses are attached to substratum by :

(A) Roots	(B) Capsule
(C) Rhizoids	(D) Main axis

Question-5
Five kingdom scheme to classify living beings was given by

(A) J B S Haldane	(B) G G Simpson
(C) E Mayr	(D) R H Whittaker

Question-6
ICBN stands for.

(A) Indian Congress of Biological Name	(B) International Code for Botanical Nomenclature
(C) International Congress of Biological Name	(D) Indian Code of Botanical Nomenclature

Question-7
A type of life cycle in which plasmogamy, karyogamy, haplodization takes place but not at specific place in life cycle of an organism is called as :

(A) Parasexuality	(B) Heterozygosity
(C) Homozygosity	(D) Asexuality

Question-8
Which one of the following has haplontic life cycle ?

(A) Funaria	(B) Polytrichum
(C) Ustilago	(D) Wheat

Question-9
Largest gametophyte is found in :

(A) Angiosperms	(B) Polytrichum
(C) Nephrolepis	(D) Cycas

Question-10
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

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Plus 1 Biology Science

Tamil Nadu (English Medium)

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