ASSIGNMENT & ANSWERS
Which of the following statements about zygotes is correct?
A) Zygotes are produced by binary fission B) Zygotes are haploid cells
C) Zygotes are only found in animals
D) Zygotes contain two sets of chromosomes ✔ E) Zygotes are formed through the process of meiosis ---
What is the main function of a zygote in the reproductive process?
A) To fuse with another zygote B) To produce gametes
C) To develop into a mature organism ✔ D) To undergo meiosis
E) To provide nutrients to the parent organism ---
In which stage of embryonic development does a zygote undergo mitosis to form a multicellular embryo?
A) Gastrula B) Morula C) Neurula ✔
D) Germ layer formation E) Blastula
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Which of the following is a characteristic of zygotes?
A) They have a fully developed nervous system B) They have a diploid chromosome number C) They are considered reproductive cells D) They are capable of independent survival ✔
E) They undergo cell differentiation immediately after fertilization ---
What is the process by which a zygote implants itself into the uterine lining?
A) Gestation B) Copulation C) Implantation ✔ D) Fertilization E) Oviposition ---
Which of the following is NOT involved in the formation of a zygote?
A) Sperm B) Ovary
C) Zona pellucida ✔ D) Egg
E) Uterus
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What is the genetic composition of a zygote?
A) Polyploid B) Diploid ✔ C) Haploid D) Triploid E) Tetraploid ---
Which of the following is true about zygotes in plants?
A) They contain only one set of chromosomes
B) They are produced by the process of binary fission C) They develop into a seed after fertilization ✔
D) They are formed exclusively through sexual reproduction E) They undergo fertilization in the ovary
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In humans, where does the fusion of sperm and egg occur to form a zygote?
A) Oviduct B) Vagina C) Uterus D) Cervix
E) Fallopian tube ✔ ---
What is the significance of zygotes in the study of genetics?
A) They allow for the study of genetic inheritance patterns ✔
B) They are involved in the production of genetically modified organisms C) They play a role in the development of gene therapy techniques D) They serve as models for studying genetic disorders
E) They are used for genetic cloning experiments ---
