Triticale is obtained by crossing wheat with
1.  Oat
2.  Barley
3.  Maize
4.  Rye

Which fungal disease spreads by seed and flowers : -

(1) Loose smut of Wheat

(2) Corn stunt

(3) Covered smut of Barley

(4) Soft rot of Potato

Which of the following secretes toxins during storage conditions of crop plants : -

(1) Aspergillus

(2) Penicillium

(3) Fusarium

(4) Colletotrichum

What is the reason of formation of embryoid from pollen grain in tissue culture medium
1. Cellular totipotency
2. Organogenesis
3. Double fertilization
4. Test tube culture

Which of the following crops have been brought to India from New world : -

(1) Cashewnut, potato, rubber

(2) Mango, tea

(3) Tea, rubber, mango

(4) Coffee

Cellular totipotency is demonstrated by :-
1. Only gymnosperm cells
2. All plant cells
3. All eukaryotic cells
4. Only bacterial cells

India's wheat yield revolution in the 1960s was possible primarily due to :-

(1) Increased chlorophyll content

(2) Mutations resulting in plant height reduction

(3) Quantitative trait mutations

(4) Hybrid seeds

The technique of obtaining large number of plantlets by tissue culture method is called –

(1) Organ culture

(2) Micropropagation

(3) Macropropagation

(4) Plantlet culture

The name of Norman Borlaug is associated with-

(1) Green Revolution

(2) White Revolution

(3) Yellow Revolution

(4) Blue Revolution

Which of the following is generally used for induced mutagenesis in crop plants ?

1. Gamma rays (from cobalt 60)

2. Alpha particles

3. X rays

4. UV (260 nm)