14. Reproduction In Plants

Question 1

asexual reproduction

Answer 1

a process resulting in the production of genetically identical offspring from one parent

Question 2

Sexual reproduction

Answer 2

A process involving the fusion of he nuclei of two gamete’s to form a zygote and the production of offspring that are genetically different from each other

Question 3

Gamete

Answer 3

A sex cell with half the normal no of chromosomes

Question 4

Fertilisation

Answer 4

The fusion of the nuclei of two gametes

Question 5

Zygote

Answer 5

A cell that is formed by the fusion of two gametes

Question 6

Diploid

Answer 6

Having two complete sets of chromosomes

Question 7

Haploid

Answer 7

Having only a single set of chromosomes

Question 8

Mitosis

Answer 8

Division of a cell nucleus resulting in two genetically identical nuclei

Question 9

Meiosis

Answer 9

Division of diploid nucleus’s -resulting in four genetically different haploid nuclei

Question 10

Sepals

Answer 10

Leaf like structures that form a ring outsource the petals of a flower

Question 11

Petals

Answer 11

Coloured structures that attract insects or birds to a flower

Question 12

Stamen

Answer 12

The male parts of a flower

Question 13

Filament

Answer 13

The stalk part of a stamen

Question 14

Anther

Answer 14

The structure at the top of a stamen inside which pollen grains r made

Question 15

Pollen grains

Answer 15

Small structures which contain the male gametes of a flower

Question 16

Carpel

Answer 16

The female part of a flower

Question 17

Ovary

Answer 17

The part of the flower that holds the ovules

Question 18

Ovules

Answer 18

Small structures that contain the female gametes

Question 19

Style

Answer 19

The part of a carpel, that connects the stigma to the ovary

Question 20

Stigma

Answer 20

The part of the flower that receive pollen

Question 21

Pollination

Answer 21

The transfer of pollen. Grains from the male part of the plant to the female part of the plant

Question 22

Self pollination

Answer 22

The transfer of pollen grains from the anther for a flower or the stigma of the same flower or a different flower on the same plant

Question 23

Cross pollination

Answer 23

The transfer of pollen grains from the anther of a flower to the stigma of a flower on a different plant of the same species

Question 24

Seed

Answer 24

The structure that develops from an ovule after fertilisation

Question 25

Dormant seed

Answer 25

Inactive - metabolic reactions slow or not taking place at all