Dikaryon phase appears during sexual reproduction of

1. Mushroom

2. Alternaria

3. Albugo

4. Mucor

Which of the following is not true for amoeboid protozoan?

1. Pseudopodia helps in feeding

2. Silica shells present in marine form

3. Contractile vacuole

4. Flagella helps in locomotion

Red tides are due to the rapid multiplication of

1. Cyanobacteria

2. Chlamydomonas

3. Gonyaulax

4. Diatoms

The dikaryotic condition is represented as

1. 2n

2. 3n

3. n

4. n + n

Which of the following is not correct about lichens?

1. Lichens are dual organism containing phycobiont and mycobiont

2. They cannot grow in the presence of sulphur dioxide

3. They grow very fast

4. They often grow in most inhospitable places such as barren rocks

Find the odd one with respect to the fungi imperfecti

1. Alternaria

2. Colletotrichum

3. Trichoderma

4. Penicillium

The cell wall is impregnated with silica to form transparent siliceous shell in

1. Dinoflagellates

2. Euglenoids

3. Diatoms

4. Slime moulds

The imperfect fungi such as Trichoderma

1. Reproduce sexually by spore formation

2. Have aseptate mycelium

3. Reproduce asexually by conidia formation

4. Have coenocytic mycelium

Animals differ from plants in

1. Being multicellular

2. Having cell wall

3. Being heterotrophic

4. Being eukaryotic

Match the columns.

Select correct option

1. a-p, b-q, c-r, d-s

2. a-s, b-r, c-q, d-p

3. a-q, b-s, c-r, d-p

4. a-q, b-s, c-p, d-r