Questions

Answer

1

Botanical Name

Oryza sativa

2

Family

Graminae

3

Origin of Paddy

South East Asia

4

Sowing time of Aus / Autumn rice

March – April

5

Sowing time of Aman rice

May – June

6

Sowing time of Boro rice

December – January

7

Paddy inflorescence is known as

Panicle

8

Test weight of Basmati rice grain is

21 gm

9

Hulling percentage of rice

70 -75 %

10

First developed rice variety

TN-1

11

Fruit of rice is known as

Caryopsis

12

Most dominant weed in rice

Echinochloa sp.

13

Jagannath is mutant variety of

TN-141

14

Aman rice also called

Kharif / Winter rice

15

Boro rice also called

Summer rice

16

Most critical stage of rice (for water)

Booting stage

17

White eye of rice is due to

Iron deficiency

18

Rice field emits

Methane gas

19

Akiochi disease of rice is due to

H₂S

20

Parboiling of rice conserves

Vitamin B12

21

Miracle rice of India

Jaya

22

Gene responsible for rice dwarfness

Dee-Gee-Woo gene

23

Khaira disease of rice is due to

Zinc deficiency

24

Seed rate of hybrid rice

6 – 10 kg/acre

25

First super aromatic Basmati rice is

Pusa RH-10

26

State know as “Bowl of Rice”

Chattisgarh

27

Golden yellow rice rich in

Vitamin A

28

Bio herbicide used in rice cultivation

Collego

29

N fertilizer suitable for rice cultivation

Ammonium sulphate

30

Highest Nitrogen loss in rice field by

Denitrification

31

Commonly used biofertilizer in rice field

Azolla

32

Salinity tolerant variety of rice

Lunishree & IR 8

33

N:P:K:Z requirement 

120:60:40:25

34

Paira & Utera cropping system is related to

Rice

35

Killer disease of rice

Bacterial blight & Tungro virus

36

Dapog seedlings are ready for transplanting

11 -14 DAS

37

Generally Rice plant is transplanted at

21 – 25 DAS

38

Optimum pH required for rice cultivation

4 - 6

39

Cultivated species of paddy

Oryza sativa & Oryza glaberima

40

Tip burn of rice is due to

O₂ deficiency & Excess of Zn

41

Golden rice was developed by

Ingo Potrykus 

42

Hybrid rice was developed by

Yuan Long Ping

43

Super Rice was developed by

G H Khush

44

Aroma of rice is due to

Di-acetyl 1 Propaline

45

Common herbicide used in rice

Anilophos & Butachlor

46

Irrigation method suitable for low land rice

Flooding

47

Blast resistant variety of rice

Tulsi & IR 64

48

Deep water rice are

Punkaj & Jaggannath

49

Rice suitable for saline & alkaline soils

CSR-10, CSR-13 & CSR-27

50

First intervarietal cross variety of rice

Jaya (TN-1 x T-141)