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Earn 100

Euglena is considered as connecting link between plant kingdom and animal kingdom because it shows features of both plants & animals. Which of the following is/are plant character of Euglena.
(A) Presence of chlorophyll pigment.
(B) Holozoic nutrition.
(C) Holophytic nutrition.
(D) Presence of sexual reproduction.

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Important Questions on Biological Classification

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Read the following statement (A-D) regarding the class phycomycetes \& select wrong statement
(A) In phycomycetes mycelium is multinucleate (Coenocytic) and septate
(B) Wall of hyphae is composed of cellulose
(C) A sexual reproduction take place through sporangia.
(D) Sexual reproduction take place by gametangial contact.
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Match column I with column II

  column I   column II
(A) Late blight of potato (i) Colletotrichum falcatum
(B) Damping off of seedling (ii) Alternaria solani
(C) Early blight of potato (iii) Pythium debaryanum
(D) Red rot of sugarcane (iv) Phytophthora infestans

 

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Members of phycomycetes are found in
i. Aquatic habitats
ii. On decaying wood
iii. Moist and damp places
iv. As obligate parasite on plants

Choose from the following options

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Given below are the following statements
(a) Cell wall in many members of phycomycetes is composed of cellulose.
(b) The mycelium of deuteromycetes is aseptate & unbranched and Asexual reproduction is performed by conidia.
(c) In ascomycetes, conidia are produced exogenously on conidiophores.
(d) Trichoderma is used to control fungal diseases in plants.
(e) Bread and beer are manufactured by Yeast. 

How many statements are correct?

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The enzymes involved in viral replication are synthesized:
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Which of the following viral disease widely spread in China in 2003