Which of the following represents the edible part of the fruit of litchi?

• Pericarp

• Mesocarp

• Juicy aril

• Endocarp

Commercial cork is obtained from

• Flax

• Juglans regia

• Hevea brassiliansis

• Quercus suber

143.

The given formula belong to

_{$\mathrm{Br}\oplus ⚥{\mathrm{Epi}}_3{\mathrm{K}}_{\left(5\right)}{\stackrel{\curvearrowleft }{{\mathrm{C}}_5\mathrm{A}}}_{(\infty )}{\mathrm{G}}_{\left(5\right)}$}

• Solanaceae

• Malvaceae

• Graminae

• Compositae

Biologically most resistant plant material is

• sporopollenin

• cutin

• lignin

• suberin

Select the option that contains all plants which produce non-endospermic seeds.

• Gram, Pea, Bean, Groundnut

• Castor, Peanut, Orchid, Wheat

• Coconut, Walnut, Wheat, Gram

• Castor, Maize, Coconut, Orchid

Gerdy fibres are

• ligament of neck 

• ligament of ankles

• ligament of palm

• ligament of face

Assertion: Black rust of wheat is a hazardous disease which is caused by Puccinia fungus.

Reason: Aflatoxin is produced in the groundnut by the infection of a bacterium.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Which of the following is the correct floral formula for the floral diagram given below?

Assertion : Storage of seeds at low temperature is possible.

Reason : Respiration and anzymatic activity of seeds are very high at low temperature.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false

• If both assertion and reason are false

Assertion : Presence of pneumatophores is a special adaptation of hydrophytes.

Reason : Pneumatophores are positively geotropic shoots that have lenticels and help in gaseous exchange.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false