Laws of inheritance were discovered by Mendel in 1866 working with:
A) Drosophila
B) Maize
C) Garden pea
D) Hawkweed (Hieraceum)
In garden pea, Mendel studied the dominant and recessive behaviour of:
A) Three characters
B) Five characters
C) Seven characters
D) Fifteen characters
A cross made between two inbreds by reversing the order of male and female parent is called:
A) Test cross
B) Back cross
C) Reciprocal cross
D) None of the above
A cross of F₁ with its homozygous recessive parent is known as:
A) Reciprocal cross
B) Test cross
C) Top cross
D) None of the above
With complete dominance and equal survival of all genotypes, the genes in F₁ in a monohybrid cross segregate into:
A) 3:1 ratio
B) 1:2:1 ratio
C) 1:2 ratio
D) None of the above
Mendel's results were published in 1866 in the:
A) Journal of Heredity
B) Journal of Genetics
C) Proceedings of the Natural History Society of Brunn
D) All of the above
Mendel's research work remained overlooked after his death for:
A) 16 years
B) 24 years
C) 34 years
D) 40 years
Mendel failed to confirm his findings when he worked with:
A) Maize
B) Drosophila
C) Cowpea
D) Hawkweed (Hieraceum)
Mendel's results were first published in:
A) English
B) French
C) German
D) Russian
Mendel died in:
A) 1866
B) 1884
C) 1874
D) 1890
Mendel had good background of:
A) Biology
B) History
C) Geography
D) Mathematics
Colchicine is extracted from which of the following?
A) Colchicum autumnale
B) Allium cepa
C) Rosa indica
D) Coleus blumei
Tetra-somics are represented by which of the following?
A) 2n + 2
B) 2n - 1 - 1
C) 2n - 1 + 1
D) 2n + 2
Inversion leads to change in
A) Gene sequence
B) Gene number
C) Gene composition
D) None of the above
The genetic constitution of Brassica nigra is
A) BB
B) AABB
C) AACC
D) CC
Which of the following is tetraploid species of Brassica
A) B. campestris
B) B. oleracea
C) B. juncea
D) B. nigra
How many somatic chromosomes are present in Pearlmillet?
A) 10
B) 14
C) 20
D) 24
Two ends of chromosomes are known as
A) Telomere
B) Holomere
C) Chromomere
D) Centromere

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