Free Printable Plant breeding basics and History

1.

Which of the following is example for Often cross pollinated crop?

a)

Sorghum

b)

Almond

c)

Banana

d)

Cherry

2.

Medicago sativa is a

a)

Normally self pollinated crop

b)

Normally Cross pollinated crop

c)

Often cross pollinated crop

d)

both a & b

3.

Which of the following is NOT a normally self pollinated crop?

a)

Barley

b)

Wheat

c)

Ragi

d)

Cotton

4.

In 700B.C. Assyrians and Babylonians hand pollinated

a)

Maize

b)

Wheat

c)

Date palms

d)

Coconut

5.

'Fairchild' is the first artificial hybrid of

a)

Carnations and Sweet William

b)

Daisy and Rose

c)

Sunflower and Rose

d)

Rose and Chrysanthemum

6.

Concept of Progeny testing was introduced by

a)

Van der Plank

b)

Vimorin

c)

M.S. Swaminathan

d)

Thomas Fairchild

7.

Who discovered the unit factors of inheritance by doing series of plant hybridisation experiments in 1866?

a)

John Hopkins

b)

Muller

c)

Mendel

d)

Hardy

8.

Who proposed the centres of Origin theory?

a)

Mendel

b)

Hopkins

c)

Vilmorin

d)

Vavilov

9.

Polyploidy can be induced using

a)

Harmones

b)

GAA

c)

IAA

d)

Colchicines

10.

Nobel prize for green revolution was given to

a)

.M.S. Swaminathan

b)

Borlaug

c)

Thomson

d)

Johannesberg

11.

Which of the following is NOT a normally Self-pollinated crop?

a)

a. Carica sp.

b)

b. Ricinus sp.

c)

c. Cucumis Sp.

d)

d. All of these

12.

Which of the following chemical can be used as a gametocide for wheat?

a)

a. Colchicine

b)

b. Maleic hydrazide

c)

c. Sodium methyl arsenate

d)

d.Ethrel

13.

In Malus domestica the pistil of a flower becomes receptive before its anthers mature. This condition is called

a)

a. Self-incompatibility

b)

b. Dichogamy

c)

c. Protandry

d)

d. Protgyny

14.

Chasmogamy is an adaptation for

a)

a. Self-pollination

b)

b. Cross pollination

c)

c. Inbreeding depression

d)

d. all of these

15.

The progeny test was proposed by

a)

a. Johansen

b)

b. Vilmorin

c)

c. Van der planck

d)

d. Hull

16.

Gossypium Sp. is a good example for _________ Pollinated crops

a)

a. Normally self

b)

b. Normally Cross

c)

c. both a & b

d)

d. Often Cross

17.

After fertilization the ovule develops into -----

a)

a. seed

b)

b. endosperm

c)

c. embryo

d)

d. fruit

18.

. The out-breeding enhancement in which the offspring shows increased biological quality is termed as

a)

a. Inbreeding depression

b)

b. Hybrid vigour

c)

c. Heterosis

d)

d. both b & c

Plant breeding basics and History

Total questions: 18

Worksheet time: 9mins

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