NEET Biology: Questions 2985 - 2988 of 3390

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Question number: 2985

» Reproduction » Sexual Reproduction in Flowering Plants » Special Modes-Apomixis, Parthenocarpy, Polyembryony

Appeared in Year: 2011

MCQ▾

Question

What is common between vegetative reproduction and Apomixis? [AIPMT (M) ]

Choices

Choice (4) Response

a.

Vegetative reproduction and Apomixis bypass the flowering phase.

b.

Vegetative reproduction and Apomixis are applicable to only dicot plants.

c.

Produces progeny identical to the parent is common between vegetative reproduction and apomixis.

d.

Vegetative reproduction and Apomixis occur round the year.

Question number: 2986

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

Appeared in Year: 2009

MCQ▾

Question

An example of a seed with endosperm, perisperm, and caruncle is [AIPM]

Choices

Choice (4) Response

a.

Coffee

b.

Lily

c.

Castor

d.

Cotton

Question number: 2987

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

Appeared in Year: 2010

MCQ▾

Question

Wind pollinated flowers are: [AIPMT (Pre. ) ]

Choices

Choice (4) Response

a.

Large producing abundant nectar and pollen

b.

Small, producing nectar and dry pollen

c.

Small, producing large number of dry pollen grains

d.

Small, brightly coloured, producing large number of pollen grains

Question number: 2988

» Reproduction » Sexual Reproduction in Flowering Plants » Pollen-Pistil Interaction

Appeared in Year: 2008

MCQ▾

Question

What does the filiform apparatus do at the entrance into ovule? [AIPMT]

Choices

Choice (4) Response

a.

It brings about opening of the pollen tube

b.

It guides pollen tube from a synergid to egg

c.

It helps in the entry of pollen tube into a synergid

d.

It prevents entry of more than 1 pollen tube into the embryo sac

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