Ø  Stamens are usually three in the cereals crops except Rice (6).

Ø  The both Asian rice and African rice arise from a common parent O. perennis.

Ø  How many wild species are there in rice 22

Ø  Among the 22 wild species of rice which is having diploid in nature O. sativa and O. glaberrima.

Ø  The hulling percentage of rice is - 20%.

Ø   After hulling the produce obtained is known as Brown rice.

Ø   The process the paddy is steeped in water for 24 hrs and then steamed under pressure is known as - Par boiling of rice

Ø  Which one is called as wonder Rice - IR8.

Ø   The variety of IR8 is made of cross between- Peta x Dee Gee Woo Gen

Ø  Most cultivated species of wheat is Hexaploid.

Ø  Example of Diploid species of wheat T. boeticum T. monococum.

Ø  Example of Tetraploid species of wheat T.dicoccoides T.durum T.persicum T.turgidum T.polonicum T.timopheevi. T.dicoccum

Ø  Example of Hexaploid species of wheat T.aestivum T.compactum T.sphaerococcum T.macha T.spelta

Ø   An ancestor for all the cultivated species of wheat is T. boeoticum

Ø  Species of wheat having Grains containing high glutien- T. durum

Ø  the dwarfing genes in the wheat-NORIN-10

Ø  Wheat revolution in India was started by Swaminathan.

Ø  Wheat revolution in World was started by Norman Borlaug.

Ø  Origin of maize is Southern Mexico.

Ø  Which type of pollination occur in the maize plant - Cross pollinated.

Ø  Type of com Dent corn: Zea mays var. indentata, Flint corn: Zea mays var. Indurate

Ø  Sweet corn: Zea mays var. saccharate, Flour corn or soft corn: Zea mays var. amylacea   Wax corn: Zea mays var. certain Pop corn: Zea mays var. everta Pod corn: Zea mays var. tunicate

Ø  In maize plant male flower is called as – Tassel.

Ø   In maize plant female flower is called as – Cob.

Ø   Origin of sorghum is Africa.

Ø   What is sorghum poisoning: The serial shoot of sorghum contain the cynogenic glycoside dburrin, which by enzyme action hydrolizes to give hyrocyanic acid, (HCN).

Ø   Fruit type of ragi is Utricle.

Ø  All pulses belong to the sah family Papilionacene.

Ø  Oil content in soybean 20%.

Ø  Oil content in groundnut 45 to 50%.

Ø   Gingelly is also called as Sesame or Til.

Ø  Castor seed have toxic protein such as – Ricin.

Ø   Castor seed contain a unique hydroxy fatty acid called- Ricinoleic acid.

Ø  Castor seed oil is stored in Endosperm.

Ø   Oil content of castor seed- -50%.

Ø  Family of Sunflower is – Asteraceae.


Ø   The frequency of spontaneous mutations is generally 10- 6

Ø   Mutations may be artificially induced by a treatment with certain physical or chemical   agents such mutations are known as Induced mutations.

Ø  An individual carrying the gametic chromosome number (n) is known as Haploid.

Ø   The first autopolyploid variety released for general cultivation in India is Pusa Giant Berseem.

Ø  The heterosis is estimated over the superior parent such an estimate is referred to as Heterobeltiosis

Ø  the dominance hypothesis was first proposed by Davenport (1908)

Ø   The Overdominace Hypothesis hypothesis was proposed by East and Shull (1908)

Ø   The term of protoplasm was coined by Purkinje (1840)

Ø  Produced haploid plant in Vitro from pollen grain was developed by Maheshwari and Guha (1964)

Ø  World's first pigeon pea hybrid is ICPH 8

Ø   The embryo develops directly from haploid nuclei other than egg cells are known as Apogamy

Ø   The embryo develops directly from the somatic cell are known as Apospory

Ø  Union of two similar gametes is called as Isogamy

Ø  Union of two dissimilar gametes is called as - Heterogamy

Ø   Male and female sexual organs present in the same flower are known as Bisexual

Ø   Male and female sexual organs mature at the same time are known as Homogamy

Ø   Presence of physical barrier or mechanical obstacles between the anther and stigma ensures cross pollination are known as Herkogamy.

Ø   Ripened ovule is called as – Seed.

Ø  Genetic purity of Nuclear seed is 100%.