CSS :: Agriculture Genetics Plant Breeding and Biotechnology

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

For students in search of

11.

2n denotes:

A.	Number of homozygote produces by selfing a F1	B.	Number of types of gametes produced by F1
C.	Number of types of heterozygote produced by selling F1	D.	None of the above

12.

A cell or an organism having one chromosome pair in addition to the normal somatic compliment of the species is:

A.	Monosomic	B.	Nullisomic
C.	Tetrasomic	D.	Trisomic

13.

A character dermined by many genes and does not show discrete variation is known as:

A.	Qualitative character	B.	Oligogenic character
C.	Quantitative character	D.	Multiple-allelic character

14.

A complex of communities of plants and animals of a region existing under identical climatic conditions is called as:

A.	Biome	B.	Ecosystem
C.	Ecological complex	D.	Environment

15.

A condition in which pollination and fertilization take place in an unopened flower is termed as:

A.	Homogamy	B.	Apogamy
C.	Polygamy	D.	Cleistogamy

16.

A criss-cross inheritance is shown by:

A.	Sex-influenced character	B.	Polygamy
C.	Sex-linked character	D.	Sex-quantitative character

17.

A cybrid is:

A.	A sex hybrid	B.	A hybrid formed by cell fusion
C.	A plant produced by cell culture	D.	Synonym to hybrid

18.

A dry, one chambered and one seeded fruit developing from a superior ovary with the hard and woody pericarp is:

A.	Achene	B.	Caryopsis
C.	Composite fruit	D.	None of the above

19.

A fruit, which develops from an inflorescence, is known as:

A.	Simple fruit	B.	Aggregate fruit
C.	Composite fruit	D.	None of these

20.

A fruit, which is collection of simple fruits developing from the apocarpous pistil of a flower, is known as:

A.	Multiple fruit	B.	Aggregate fruit
C.	Complex fruit	D.	Simple fruit