91.

Lady finger belongs to family

• Malvaceae

• Cucurbitaceae

• Brassicaceae

• Liliaceae

The interxylary phloem is found in the stem of

• Cucurbita

• Salvia

• Calotropis

• None of these

Wound healing is due to

• Ventral Meristem

• Secondary meristem

• Primary meristem

• All of these

In pteridophytes, phloem is without

• bast fibers

• Sieve tubes

• Companion cells

• Sieve cells

 Fern spores are usually

• Haploid

• Diploid

• Triploid

• Tetraploid

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

• Oligotrophic

• Eutrophic

• Lithotrophic

• Agroecotrophic

In which one of the family formations of endosperm doesn’t take place?

• Orchidaceae

• Cactaceae

• Ranunculaceae

• Malvaceae

Source of commercial chewing gum latex is

• Hevea brasiliensis

• Carica papaya

• Ficus elastica

• Achras sapota

Which one of the following is not a flower?

• Shoe-flower

• Sunflower

• Larkspur

• Water lily

Read the following statements and choose the correct option.

I. Leptosporangiate development of sporangium is found in all membersPteropsida.

II. Seed habit is shown by sellaginella.

III. Gnetum leaves are monomorphic and pinnately compound.

IV. Sporic meiosis is found in Volvolx, Chalmydomonas and Ulothrix.

Choose the correct option.

• I and IV

• I and II

• I, II and IV

• All of these