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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: 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: C
Explanation:
3.
______ deteriorates drastically upon inbreeding:
A. Carrot
B. Okara
C. Brinjal
D. Broccoli
Answer: 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: C
Explanation:
5.
______ are examples of protandrous species:
A. Avocados
B. Walnuts
C. Carrots
D. None of these
Answer: B
Explanation:
6.
Origin of Species by means of Natural Selection' was given by:
A. Lamark
B. Linnaeus
C. Charles Darwin
D. Erasmus
Answer: C
Explanation:
7.
Radish' is an example of:
A. Fusiform root
B. Napiform root
C. Conical root
D. Tuberous root
Answer: A
Explanation:
8.
"Experiments in Plant Hybridization" a paper of G. Mendal was first published in the year:
Answer: 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: D
Explanation:
10.
2n - 1 is a:
A. Monosomic
B. Transonic
C. Tetrasomic
D. Alloploid
Answer: A
Explanation:
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