CSS :: Agriculture Genetics Plant Breeding and Biotechnology

@ : Home > Agriculture > Agriculture Genetics Plant Breeding and Biotechnology

For students in search of

Hydroponic Gardening
Guides - Basics to Experts level
Growing fruit and vegetables hydroponically
Practical daily questions or queries of hydroponics lovers
Current Hydroponics and Indoor Gardening Market Growth as well as Trends

361.

The majority of halophytes show:

A.	Mesomorphic character	B.	Hydromorphic character
C.	Xeromorphic caracter	D.	None of above

362.

The male sterile line is a cross to produce hybrid seed is known as:

A.	A line	B.	R line
C.	C line	D.	None of them

363.

The mechanism of male sterility in self-pollinated crops can be successfully utilised to obtain:

A.	Selfed seed	B.	Mutated seed without radiation treatment
C.	Hybrid seed without emasculation	D.	Sterile seed

364.

The mendel's laws of inheritance were rediscovered in 1900 by:

A.	Bateson and Punnet	B.	Beadle, Tatum and Leader-berg
C.	Watson and Crick	D.	Correns, de Varies and Tschermak

365.

The minute scaly outgrowths borne at the upper end of the leaf sheath, as in Gramineae are called:

A.	Bract	B.	Bracteole
C.	Stipule	D.	Ligule

366.

The mode of arrangement of ovules in the cavity of ovary is known as:

A.	Pollination	B.	Aestivation
C.	Placenatation	D.	Fertilization

367.

Which of the following breeding procedures are not used for producing new varieties of self-pollined crop?

A.	Recurrent selection	B.	Mass selection
C.	Pure line selection	D.	Hybridization

368.

Which is the monoecious plant?

A.	Maize	B.	Datepalm
C.	Rice	D.	Mango

369.

The net movement of a substance from an area of its own high concentration into another area of lesser concentration as rsult of kinetic energy of molecules is called:

A.	Diffusion	B.	Osmosis
C.	Imbibition	D.	Plasmolysis

370.

The normal eye colour in Drosphila is red. But mutants occur having white eye and also different shades ranging between white and red which are all recessive to red, while white colour is recessive to all others. This phenomenon is due to:

A.	Pseudodominance	B.	Pseudoallelism
C.	Codominance	D.	Polygenes