[The seeds cannot be store...] Why is vivipary an undesirable character for annual crop plants?

For Competitive Exams

Why is vivipary an undesirable character for annual crop plants?

It adversely affects the fertility of the plant.

The seeds exhibit long dormancy.

It reduces the vigour of the plant.

The seeds cannot be stored under normal conditions for the next season.

Additional Questions

In a tetradynamous androecium, one of the following is seen :

Match List I with List II and select the correct option given below.

	List – I		List – II
A.	Lactuca	I.	Next to Heteromerae
B.	Physalis	II.	Before Calyciflorae
C.	Althea	III.	Next to Disciflorae
D.	Derris	IV.	Between Calyciflorae and Heteromerae
		V.	Between Thalamiflorae and Calyciflorae

A horizontal underground stem is a

A drupe develops in

Assertion: Epidermis in the dicot root is composed of cutinized cells.

Reason: The exodermis in the root offers protection to the inner parts in the absence of epidermis.The correct answer is :

Multicostate parallel type of venation is found in the leaves of

Assertion: Ginger has a prostrate growing rhizome.

Reason: Shoot growth is not effected by gravity.

The correct answer is :

Assertion: In syconus type of fruit, the achenes formed are fewer than the total number of flowers in the inflorescence from which it is formed.

Reason: Upper and middle flowers cannot develop into fruits.

The correct answer is :

Intercalary meristem is a derivative of

Quiescent centre is found in plants at :

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