Which one is a wrong statement?

(1) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.

(2) Mucor has biflagellate zoospores.

(3) Haploid endosperm is typical feature of gymnosperm.

(4) Brown algae have chlorophyll-a and c, and fucoxanthin.

Keel is the characteristic feature of flower of

(1) tulip

(2) Indigofera

(3) Aloe

(4) tomato

Which one of the following fungi contains hallucinogens?

(1) Morchella esculenta

(2) Amanita muscaria

(3) Neurospora sp.

(4) Ustilago sp.

Archaebacteria differ from eubacteria in

(1) cell membrane structure

(2) mode of nutrition

(3) cell shape

(4) mode of reproduction

Which one of the following is not a correct statement?

1. Herbarium houses dried, pressed and preserved plant specimens

2. Botanical gardens have collection of living plants for reference

3. A museum has collection of photographs of plants and animals

4. Key is a taxonomic aid for identification of specimens

The most abundant prokaryotes helpful to human in making curd from milk and in production of antibiotics are the ones categorized as

1. cyanobacteria

2. archaebacteria

3. chemosynthetic autotrophs

4. heterotrophic bacteria

Which one of the following does not differ in E.coli and Chlamydomonas?

(1) Ribosomes

(2) Chromosomal organization

(3) Cell wall

(4) Cell membrane

The cyanobacteria are also referred to as

(1) protists

(2) golden algae

(3) slime moulds

(4) blue-green algae

Which statement is wrong for viruses?

(1) All are parasites

(2) All of them have helical symmetry

(3) They have ability to synthesize nucleic acids and proteins with the help of host cell 

(4) Antibiotics have no effect on them

Nuclear membrane is absent in

(1) Penicillium

(2) Agaricus

(3) Volvox

(4) Nostoc