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251.

Pink (NN) flowered plants crossed with blue (nn) flowered plants gave black (Nn) flowered plants in F1 generation. If F1 plants dre selfed, which of the following will be the phenotype of F2 progeny?

A.	All blue	B.	1/2 blue and 1/2 pink
C.	All pink	D.	1/4 pink, 1/2 black, 1/4 blue

252.

Which of the following scientists is called the father of genetics?

A.	Charles Darwin	B.	Robert Hooke
C.	Gregor Mendel	D.	Gregor Morgon

253.

Plants that attach themselves to any neighbouring object often by means of some special devices and climb it are called:

A.	Trailers	B.	Creepers
C.	Climbers	D.	None of these

254.

Plants that grown upon other plants but do not absorb food from them are called:

A.	Parasites	B.	Epiphytes
C.	Saprophytes	D.	Symbionts

255.

Plants, which feed upon insects and small animald absorbing only nitrogenous compounds, are called:

A.	Symbionts	B.	Epiphytes
C.	Carnivorous	D.	Nocturnals

256.

Plants that grow under average condition of temperature and moisture are:

A.	Hydrophytes	B.	Hygrophytes
C.	Mesophytes	D.	Xerophytes

257.

Plasmid can:

A.	Self replicate	B.	Integrate into host genome
C.	Express the genes in it	D.	Can do all the above

258.

Pneumatophores or respiratory roots are meant for:

A.	Absorption of salts	B.	Absorption of water
C.	Respiration	D.	Photosynthesis

259.

Pointed gourd is a :

A.	Monoecious plant	B.	Hermaphrodite plant
C.	Dioecious plant	D.	Polygamous plant

260.

Pollination taking place between the flowers borne by the same parent is called:

A.	Geitonogamy	B.	Alogamy
C.	Xenogamy	D.	None of the above