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Test work on the topic “Reproduction of Organisms”

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Test work on the topic “Reproduction of Organisms”
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Complete the sentences by inserting the necessary terms and concepts in place of the dots.

1. a type of reproduction in which only one parental individual participates – ….

2. individual development of an organism – ……

3. a type of cell division in which the number of chromosomes is halved – ….

4. Cells formed when a zygote crushes – …..

5. The process of formation of male gametes – ….

6. The process of fusion of male and female gametes – …..

2. Choose the correct answer.

1. The daughter organism differs from the parent organisms to a greater extent in reproduction:

A – vegetative B – spores C – sexual D – budding.

2. Stages of crushing, blastula, gastrula, and organ formation are characteristic of individual development:

A – embryonic B – post embryonic

C – direct D – indirect.

3. A single-layer globular-shaped animal embryo with a cavity inside is called:

A – gastrula B – blastula C – neurula D – blastomer.

4. Chromosome conjugation and crossingover occur in:

A – prophase of the first division of meiosis

B – prophase of the second meiosis division

C – interphase before cell division

D – the process of fertilization.

5. One doubling of chromosomes and two consecutive divisions are characteristic of the process:

A – mitosis B – spore formation C – fertilization D – meiosis.

6. Define.

Entoderm – 

Gastrula – 

Post-embryonic period –

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