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- Question
The homologous chromosomes follow the process of synopsis in the
Options- A. leptotene
- B. zygotene
- C. pachytene
- D. diplotene
- Correct Answer
- zygotene
- 1. In the meiotic cell divison in daughter cells are produced by two successive division in which
Options- 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 Discuss
- 2. When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
Options- A. In anaphase A
- B. In anaphase B
- C. In metaphase
- D. In telophase Discuss
- 3. Which of the following transposable elements are not found in plants?
Options- A. Ac
- B. Tam3
- C. L1
- D. All are found Discuss
- 4. During meiosis crossing over takes place at
Options- A. zygotene stage
- B. diplotene stage
- C. diakinesis stage
- D. pachytene stage Discuss
- 5. What is the approximate size (in kb) of the melon mitochondrial genome?
Options- A. 600 kilobase
- B. 1200 kilobase
- C. 2400 kilobase
- D. 3000 kilobase Discuss
- 6. In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
Options- A. 1:2:1
- B. 3:1:1
- C. 1:3:1
- D. 1:1:2 Discuss
- 7. When F1 plants are crossed with homozygous recessive plants, it is known as
Options- A. test cross
- B. recessive cross
- C. criss-cross
- D. para-cross Discuss
- 8. The shortest of mitotic phases is the
Options- A. telophase
- B. interphase
- C. metaphase
- D. anaphase Discuss
- 9. A plasmid used to introduce BT toxin into a plant cell
Options- 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 Discuss
- 10. When an organism has a life cycle with alternation of generations, the haploid generation is the
Options- A. zygote
- B. gametophyte
- C. gamete
- D. sporophyte Discuss
Plant Genetics problems
Search Results
Correct Answer: first division is equational, second is reductional
Correct Answer: In anaphase A
Correct Answer: L1
Correct Answer: pachytene stage
Correct Answer: 2400 kilobase
Correct Answer: 1:2:1
Correct Answer: test cross
Correct Answer: anaphase
Correct Answer: carries a bacterial gene with a plant promoter
Correct Answer: gametophyte
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