Acclimatization is:
A) A process of adjustment by crop plants to a new environment
B) Removal of male parts of a flower
C) Removal of female parts of a flower
D) All of the above
An egg or sperm cell in plants is called:
A) Gene
B) Gamete
C) Zygote
D) None of them
An embryo sac of angiosperms generally contains:
A) Two nuclei
B) Three nuclei
C) Four nuclei
D) Eight nuclei
An organism having the gametic chromosome number of any species is known as:
A) Genome
B) Hybrid
C) Monoploid
D) Haploid
An organism with one extra chromosome instead of the normal diploid (2n) is known as:
A) Monoploid
B) Monosomic
C) Trisomic
D) Tetrasonic
At the molecular level, point mutations are due to:
A) Destruction of the bases
B) Destruction of the double helix
C) Shifting of a portion of the helix and bases
D) Alterations in the sequence of nitrogenous base in DNA
Baldness in human beings is a:
A) Sex linked character
B) Sex limited character
C) Sex-influenced character
D) None of the above

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