NEET NCERT Class11 Biology Reproduction,CBSE Biology solutions,PDF

Sexual Reproduction in Flowering Plants Mock Test-9

Question No:1

All are examples of albuminous seeds except

(A) Wheat
(B) Sunflower
(C) Castor
(D) Groundnut



Question No:2

Persistent nucleus perisperm is found in

(A) Wheat and maize
(B) Pea + ground nut
(C) Barley and castor
(D) Black paper + beet



Question No:3

Wheat is ploidy of perisperm

(A) n
(B) 2n
(C) 3n
(D) 4n



Question No:4

Select total number of albuminous seed from the following Pea, Groundnut, Wheat, Maize, Barely, Castor, Sunflower

(A) 4
(B) 5
(C) c) 2
(D) 6



Question No:5

Mature seed contain how much moisture generally

(A) 10-15% by mass
(B) 5-10% by mass
(C) 25-30% by mass
(D) 40% by mass



Question No:6

Select false statement from the following

(A) Persistent Nucleus is the perisperm
(B) Integuments of ovule harden as though protective seed coat
(C) Micropyle remain as a small pore in seed coat and facilitates entry of oxygen and water into seed during germination
(D) General metabolic activity of embryo is high



Question No:7

Favourable conditions available for germination are

(A) Adequate moisture
(B) Oxygen
(C) Suitable temperature
(D) All of the above



Question No:8

Example of false fruit

(A) Apple
(B) Strawberry
(C) Cashew
(D) All of the above



Question No:9

Thalamus takes part in fruit formation in

(A) Guava
(B) Orange
(C) c) Strawberry
(D) Mango



Question No:10

Which of the following is example of dry fruit?

(A) Groundnut
(B) Mustard
(C) Both (a) and (b)
(D) Mango



Question No:11

Fruit develops from

(A) Sepals
(B) Petals
(C) Thalamus
(D) Ovary



Question No:12

Fruit developed without fertilization is known as

(A) Parthenocarpy
(B) Anuphimixis
(C) Apomixes
(D) Polyembryony



Question No:13

True about parthenocarpic fruit

(A) Seedless
(B) Banana is an example
(C) Can be induced by growth hormones
(D) All of the above



Question No:14

Select false statement

(A) Hard seed coat provide protection to young embryo
(B) Generally seed is the product of sexual reproduction, so they generate new genetic combination leading to variation
(C) Seeds have better adaptive strategies for dispersal to new habitat and help the species to colonize in other areas
(D) Pollination and fertilization in angiosperm depend on water



Question No:15

Which oldest seed is excavated form Arctic Tundra?

(A) Lupin arcticus
(B) Phoenix dactylitera
(C) Solanum nigrum
(D) Raphanus sativus



Question No:16

Phoenix dactylifera is

(A) 2000 year old viable seed
(B) a type of date palm
(C) excavated from king Herod’s palace near the Dead sea
(D) All of the above



Question No:17

Apomixis is seen in

(A) Asteraceae
(B) Grasses
(C) Both (a) and (b)
(D) None of them



Question No:18

Apomixis means

(A) Fruit without seed
(B) Fruit with seed
(C) Seed without fertilization
(D) Fruit without fertilization



Question No:19

Polyembryony is

(A) One embryo in one seed
(B) More than one embryo in a seed
(C) More seed in one embryo
(D) Seed development without fertilization



Question No:20

Polyembryony seen in

(A) Citrus fruits
(B) Coconut
(C) Date palm
(D) Pineapple



Question No:21

Which one of the following is correct for yucca plant?

(A) Moth species and yucca plant cannot complete their life cycles without each other
(B) The moth deposits is egg in the locule of ovary of yucca plant
(C) The larva of the moth came out of the eggs as the seed starts developing of yucca
(D) All are correct



Question No:22

The devices developed by plants to discourage self-pollination include
(A) In some species pollen release and receptive stigma are not synchronised
(B) In some species, the anther and stigma are placed at different positions, so they do not come in contact
(C) Self-incompatibility

(A) All are correct
(B) A and B only
(C) A only
(D) B only



Question No:23

Dioecy is the mechanism for some plants to

(A) Promote autogamy
(B) Promote self-fertilization
(C) Promote cross pollination
(D) All are incorrect



Question No:24

Pn Castor and maize plant, flowers are

(A) Unisexual
(B) Both male and female flowers on same plants (monoecious)
(C) Both male and female flowers on different plants
(D) All are incorrect



Question No:25

Autogamy and geitonogamy absent in

(A) Papaya
(B) Maize
(C) Castor
(D) All are correct