The interxylary phloem is found in the stem of

• Cucurbita

• Salvia

• Calotropis

• None of these

Which one of the following is heterosporous?

• Equisetum

• Dryopteris

• Salvinia

• Adianturn

After karyogamy followed by meiosis, spores are produced exogenously in

• Neurospora

• Alternaria

• Saccharomyces

• Agaricus

Wound healing is due to

• Ventral Meristem

• Secondary meristem

• Primary meristem

• All of these

Which one is wrongly matched?

• Uniflagellate gametes – Polysiphonia

• Biflagellate zoospores – Brown algae

• Unicellular organism – Chlorella

• Gemma cups – Marchantia

In pteridophytes, phloem is without

• bast fibers

• Sieve tubes

• Companion cells

• Sieve cells

Lady finger belongs to family

• Malvaceae

• Cucurbitaceae

• Brassicaceae

• Liliaceae

Which of the following supports a dense population of plankton and littoral vegetation?

• Oligotrophic

• Eutrophic

• Lithotrophic

• Agroecotrophic

 Fern spores are usually

• Haploid

• Diploid

• Triploid

• Tetraploid

Identify the wrong combination

• Dryopteris → Rhizome

• Cycas → Coralloid roots

• Volvox → Colonial form

• Marchantia →Pseudoelaters