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331.

The first generation progeny of a hybrid are called:

A.	Pure lines	B.	Segregates
C.	Parents	D.	F1 plants

332.

The first inbreeding experiments with maize were those reported by:

A.	Sprengel in 1866	B.	Darwin in 1876
C.	Sprague in 1886	D.	Baird 1896

333.

Which of the following is not xerophytic plant?

A.	Aloe	B.	Cacti
C.	Gum tree	D.	Mango

334.

The flattened, lateral, outgrowth of the stem or the branch, developing exogenously from a node and having a bud in its axil as known as:

A.	Tendril	B.	Thorn
C.	Leaf	D.	Flower

335.

The fleshy edible part of the mango fruit is:

A.	Epicarp	B.	Endocarp
C.	Mesocarp	D.	Pericarp

336.

The fleshy food storage tissue, lying immediately with in perisperm is called:

A.	Endosperm	B.	Testa
C.	Cruncle	D.	None of the above

337.

The following character in human beings can explain the sex linked inheritance:

A.	Baldness	B.	Eye colour
C.	Haemophilia	D.	Pattern of the hair

338.

The following organelles also contain DNA:

A.	Endoplasmic reticulum	B.	Centrosomes
C.	Vacuoles	D.	Chloroplast

339.

The following part of the chromosome is responsible for the movement of chromosome/chromatid to different poles:

A.	Chromatin	B.	Centromere
C.	Chromomere	D.	Satellite

340.

Which of the following ions is involved in the opening and closing of stomata?

A.	Mg2+	B.	Fe2+
C.	K+	D.	Na+