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1.
_______estimated that incompatibility occurs in more than 3,000 species among 20 families of the flowering plants:
A.
D. De Winton
B.
M.B. Hughes
C.
W.H. Gabelman
D.
E.M. East
Answer: Option D
Explanation:
2.
_______provides the best documented example of long time effects of selection:
A.
Sugarcane
B.
Sweet sorghum
C.
Sugarbeet
D.
Sugar maple
Answer: Option C
Explanation:
3.
______ deteriorates drastically upon inbreeding:
A.
Carrot
B.
Okara
C.
Brinjal
D.
Broccoli
Answer: Option A
Explanation:
4.
______ in Ladino clover is governed by two dominant alleles, one produces cyanogenic glycoside, while the other releases the enzyme to catalyze its release from gloycoside:
Answer: Option C
Explanation:
5.
______ are examples of protandrous species:
A.
Avocados
B.
Walnuts
C.
Carrots
D.
None of these
Answer: Option B
Explanation:
6.
Origin of Species by means of Natural Selection' was given by:
A.
Lamark
B.
Linnaeus
C.
Charles Darwin
D.
Erasmus
Answer: Option C
Explanation:
7.
Radish' is an example of:
A.
Fusiform root
B.
Napiform root
C.
Conical root
D.
Tuberous root
Answer: Option A
Explanation:
8.
"Experiments in Plant Hybridization" a paper of G. Mendal was first published in the year:
Answer: Option C
Explanation:
9.
"If a gene is represented in an infinitely large random-mating population by adaptively neutral alleles, A and a, in the ration of qA: (1-q)2 aa = 1" is known as:
A.
Stanford-Suneson law
B.
Weibe-Thomas law
C.
Briggs-Harlan law
D.
Hard-Weinberg law
Answer: Option D
Explanation:
10.
2n - 1 is a:
A.
Monosomic
B.
Transonic
C.
Tetrasomic
D.
Alloploid
Answer: Option A
Explanation:
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