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CBSE Class 10 I Science I MCQ TEST -2 I Chapter 8 I How Do Organisms Reproduce

Quiz
 How Do Organisms Reproduce
Q1. The simple animals like Planaria can be cut into a number of pieces and each piece grows into a complex organism. What is the process called for?

Budding

Fragmentation

Spore formation

Regeneration


Q2. Name the portion on which grafting is done and it provides the roots?

Stock

Scion

Both

None of these


Q3. Which one of the given options is incorrect?
Vegetative propagation is practised because

Plants which produce non viable seeds can be grown.

It is a easier method than sowing seeds.

Such plants produce seeds and fruits much earlier than other methods

None


Q4. Growing foetus derive nutrition from mother’s blood through.

Ovaries

placenta

Uterus

None of these


Q5. Which of the below option is not a sexually transmitted disease?.

AIDS

Gonorrhoea

Syphilis

Kala azar


Q6. Fruit is formed from

Stamen

Ovary

Stigma

Ovule


Q7. The female reproductive part of the flower consists of ..... , ....... and ........

Stigma, Anther, Filament

Style, Ovary, Thalamus

Anther, Corolla, Filament

Stigma, Ovary, Style


Q8. In which of the following plant bud in notches of leaves help in its propagation?

Radish

Bougainvillea

Bryophyllum

Jasmine


Q9. The process of the transfer of pollen grains from the flower of one plant to the stigma of the flower of another plant of the same species is known as

Cross pollination

Fertilisation

Self pollination

All of these


Q10. What are the functions performed by the testis in human males?

Production of gametes–eggs and secretion of sex hormones–estrogen

Production of gametes–sperms and secretion of sex hormones–testosterone

Production of gametes–sperms and secretion of sex hormones–estrogen

All the above


Q11. Why are the testes located outside the abdominal cavity in scrotum?

Because sperm formation requires more spaces.

Because sperm formation requires a higher temperature.

Because sperm formation requires a lower temperature.

None of the above


Q12. The two oviducts in a human female unite into an elastic bag like structure known as

Vagina

Uterus

Fallopian tube

Cervix


Q13. The process where the unfertilised egg is released out of the body with the blood used to nourish the embryo is known as --------.

Fertilisation

Germination

Menstruation

Pollination


Q14. After fertilisation, Name the part which develops into the seeds.

Ovule

Ovary

Pollen grain

None of the above


Q15. Unisexual flowers contain

Both stamen and carpel

Only stamen

Only carpel

Either stamen or carpel


Q16.Spirogyra reproduces by

Fission

Fragmentation

Budding

None of these


Q17. The anther contains

Sepals

Ovules

Pollen grains

Carpel


Q18. Unicellular organisms reproduce by

Mitotic cell division

Meiotic cell division

Both

None of these


Q19. The process in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells is known as?

Mitosis

Meiosis

Karyokinesis

none of the above


Q20.Union of male and female gametes forms

Egg

Embryo

Zygote

none of the above



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