Blastocyst, morula, capacitation and acrosomal reactions — task. Science State Board, Class 10.

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1. Which of the following statements is/are true?

Sperms swim using their head due to its motility
Initial transportation of sperms is by the uterine and fallopian tube contractions
Male discharges semen into the female's vagina close to the cervix during intercourse
When a sperm enters the ovum, chemical reactions obstruct any further entry of sperm

2. Which of the following statements is/are false?

Cleavage converts single-celled zygote to multicellular blastula
First cleavage takes place about \(48\) hours after fertilization
When the fertilized zygote has \(64\) blastomeres it is called morula
First cleavage takes place about \(30\) hours after fertilization

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