Sexual Reproduction in Flowering Plants Mock Test-5

NEET-Sexual Reproduction in plants MCQs

Question No:1

The coconut water and the edible part of coconut are equivalent to:

(A) Endosperm
(B) Endocarp
(C) Mesocarp
(D) Embryo



Question No:2

Both, autogamy and geitonogamy are prevented in

(A) Papaya
(B) Cucumber
(C) Castor
(D) Maize



Question No:3

The gynoecium consists of many free pistils in flowers of:

(A) Aloe
(B) Tomato
(C) Papaver
(D) Michelia



Question No:4

Which one of the following statements is correct?

(A) Hard outer layer of pollen is called intine
(B) Sporogenous tissue is haploid
(C) Endothecium produces the microcspores
(D) Tapetum nourishes the developing pollen



Question No:5

Advantage of cleistogamy is:

(A) Higher genetic variability
(B) More vigorous off spring
(C) No dependence on pollinators
(D) Vivipary



Question No:6

Perisperm differs from endosperm in:

(A) Being a haploid tissue
(B) Having no reserve food
(C) Being a diploid tissue
(D) Its formation by fusion of secondary nucleus with several sperms



Question No:7

Geitonogamy involves:

(A) Fertilization of a flower by the pollen from another flower of the same plant
(B) Fertilization a flower by the pollen from the same flower
(C) Fertilization of a flower by the pollen from a flower of another plant in the same population
(D) Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population



Question No:8

Male gametophyte with least number of cells is present in:

(A) Pteris
(B) Funaria
(C) Lilium
(D) Pinus



Question No:9

Pollen tablets are available in the market for:

(A) In vitro fertilization
(B) Breeding programmes
(C) Supplementing food
(D) Ex situ conservation



Question No:10

Function of filiform apparatus to:

(A) Recognize the suitable pollen at stigma
(B) Stimulate division of generative cell
(C) Produce nectar
(D) Guide the entry of pollen tube



Question No:11

Non — albuminous seed is produced in:

(A) Maize
(B) Castor
(C) Wheat
(D) Pea



Question No:12

Which one of the following may required pollinators, but genetically similar to autogamy?

(A) Geitonogamy
(B) Xenogamy
(C) Apogamy
(D) Cleistogamy



Question No:13

Which one of the following statements is not true?

(A) Pollen grains are rich in nutrients, and they are used in the form on tablets and syrups
(B) Pollen grains of some plants cause severe allergies and bronchial afflications in some people.
(C) The flowers pollinated by flies and bats secrete foul odour to attract them
(D) Honey is made by bees by digesting pollen collected from flowers



Question No:14

Transmission tissue is characteristic feature of

(A) Hollow style
(B) Solid style
(C) Dry stigma
(D) Wet stigma



Question No:15

Which of the following are the important floral rewards to the animal pollinators?

(A) Colour and large size of flower
(B) Nectar and pollen grains
(C) Floral fragrance and calcium crystals
(D) Protein pellicle and stigmatic exudat.es



Question No:16

Male gametophyte in angiosperms producers:

(A) Single sperm and a vegetative cell
(B) Single sperm and two vegetative cells
(C) Three sperms
(D) Two sperms and a vegetative cell



Question No:17

Coconut water from a tender coconut is:

(A) Free nuclear endosperm
(B) Innermost layers of the seed coat
(C) Degenerated nucellus
(D) Immature embryo



Question No:18

Which one of the following fruits is parthenocarpic?

(A) Apple
(B) Jackfruit
(C) Banana
(D) Brinjal



Question No:19

Filiform apparatus is characteristic feature of:

(A) Nucellar embryo
(B) Aleurone cell
(C) Synergids
(D) Generative cell



Question No:20

In angiosperms, microsporogeneis and megasporogenesis:

(A) From gametes without further divisions
(B) Involve meiosis
(C) Occur in ovule
(D) Occur in anther