Questions

Answer

1

Botanical name

Zea mays

2

Origin of maize

Mexico

3

Family

Graminae

4

Chromosome No.

2n = 20

5

Fruit type

Caryopsis

6

Maize is also known as

Queen of cereals 

7

Cross pollination in maize is due to

Protoandry

8

Critical stage of Maize crop

Tasseling to Silking

9

Maize protein

Zein

10

Maize protein (Zein) deficient in

Tryptophan & Lysine

11

Protein content in Maize

10 %

12

Maize male inflorescence is called

Tassel

13

Maize female inflorescence is called

Silk

14

Maize plants are

C4, Day Neutral Plant

15

Yellow colour of Maize is due to

Cryptoxanthin

Questions

Answer

16

Maize plant

Monoecious

17

Suitable temperature for Maize cultivation

21 – 32° C

18

Rabi season maize is grown in

Bihar

19

Herbicide used in maize field

Simazine

20

Herbicide (Drought conditions) used in maize field

Atrazine

21

Fertilizer requirement for maize(N:P:K)

120:60:40

22

Corn is a good source of

Vitamin A & E

23

Genes found in Maize crop

Opeque-2, Floury-2

24

Spacing of Maize

60 x 20-25 cm

25

Spacing of fodder purpose maize

30 x 10 cm

26

Sugar content of sweet corn

20 % of dry weight

27

Corn used in textile & paper industry is

Waxy corn

28

Corn having soft starch kernel

Flour corn

29

White bud of maize is due to

Zinc deficiency

30

Maize test weight

280 gram

Questions

Answer

31

Single cross technique in Maize was developed by

East & Shull (1910)

32

Double cross technique in Maize was developed by

Jones (1920)

33

Use of synthetic varieties in commercial cultivation of Maize was suggested by

Hayes & Garber (1919)

34

Quality protein of Maize was developed by

Surinder K Vishal

35

Zea mays indurata (Cultivated in India)

Flint corn

36

Zea mays indentata (Cultivated in USA)

Dent corn

37

Zea mays saccharata (More sweeter)

Sweet corn

38

Zea mays amylacea (Suitable for flour making)

Soft corn

39

Zea mays tunicate (Primitive type of corn)

Pod corn

40

Zea mays ceratina (Starch similar to Topioca)

(Waxy corn)

41

Zea mays everta

Pop corn

42

First hybrid variety of Maize is

Ganga1

43

Carbohydrate percent in Maize

70 %

44

Destructive weed of Maize

Striga (Upto 35% Loss)

45

Wild ancestor of Maize

Teosinte

Questions

Answer

46

Composite variety of Maize

Vikram, 

Vijay,

Amber, 

Sona, 

Jawahar

47

Hybrid varieties of Maize

Ganga

Safed

Deccan

Sangam

48

Yellow varieties of Maize

Ganga – 3,5

Him 123

Deccan 101

VL-54

49

Top cross varieties

Ganga-2

Hi-Starch

50

White varieties of Maize

Ganga White-2

Hi-Starch

Ganga-4

51

Lysine rich varieties are

Protina

Shakti

Ratna

52

Sweet corn variety

Madhuri

Questions

Answer

53

Temperature required for grain burst of Pop corn

170 °C

54

Yield of composite variety

40 – 45 q/ha

55

Yield of Hybrid variety

50 – 60 q/ha

56

Plant population of Maize per hectare (Kharif)

65,000 – 70,000 Plants /ha

57

Plant population of Maize per hectare (Rabi)

90,000 Plants/ha

58

Seed rate of fodder maize

40 – 50 kg/ha

59

Person wholly depends on maize lead to disease called

Pellagra

60

Red & Purple discoloration of leaves is due to

Phosphorus

61

Recently scientists separated germs from maize corn for manufacturing 

Contraceptives