Plant Genetics MCQs : This section focuses on the "Plant Genetics". These Multiple Choice Questions (MCQs) should be practiced to improve the Plant Genetics skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
In the meiotic cell divison in daughter cells are produced by two successive division in which
A. first division is equational, second is reductional
B. first division is reductional and second is equational
C. both divisions are reductional
D. both divisions are equational
Question 2
Which of the following transposable elements are not found in plants?
A. Ac
B. Tam3
C. L1
D. All of the above
Question 3
Plants, like all known organisms, use DNA to pass on their traits.
A. True
B. False
Question 4
Which of the following transposable elements are not found in plants?
A. Ac
B. Tam3
C. L1
D. All are found
Question 5
A plasmid used to introduce BT toxin into a plant cell
A. carries an antibiotic resistance gene that makes the plant resistant to antibiotics
B. causes the plant to produce opines
C. is toxic for the plant cell
D. carries a bacterial gene with a plant promoter
Question 6
When an organism has a life cycle with alternation of generations, the haploid generation is the
A. zygote
B. gametophyte
C. gamete
D. sporophyte
Question 7
The earliest evidence of plant domestication found has been dated to 11,000 years before present in ancestral wheat.
A. True
B. False
Question 8
What is the approximate size (in kb) of the melon mitochondrial genome?
A. 600 kilobase
B. 1200 kilobase
C. 2400 kilobase
D. 3000 kilobase
Question 9
The homologous chromosomes follow the process of synopsis in the
A. leptotene
B. zygotene
C. pachytene
D. diplotene
Question 10
Plant genetics is the study of genes, genetic variation, and heredity specifically in plants.
A. True
B. False
Question 11
In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
A. 01:02:01
B. 03:01:01
C. 01:03:01
D. 01:01:02
Question 12
When F1 plants are crossed with homozygous recessive plants, it is known as
A. test cross
B. recessive cross
C. criss-cross
D. para-cross
Question 13
The shortest of mitotic phases is the
A. telophase
B. interphase
C. metaphase
D. anaphase
Question 14
In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
A. 1:2:1
B. 3:1:1
C. 1:3:1
D. 1:1:2
Question 15
During meiosis crossing over takes place at
A. zygotene stage
B. diplotene stage
C. diakinesis stage
D. pachytene stage
Question 16
When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
A. In anaphase A
B. In anaphase B
C. In metaphase
D. In telophase