CBSE Class 10 Science How do Organisms Reproduce? Quiz 2

1. The ability of a cell to divide into several cells during reproduction in Plasmodium is called

A budding B reduction division C binary fission D multiple fission

2. The correct sequence of reproductive stages seen in flowering plants is

A gametes, zygote, embryo, seedling B zygote, gametes, embryo, seedling C seedling, embryo, zygote, gametes D gametes, embryo, zygote, seedling

3. The number of chromosomes in parents and offsprings of a particular species remains constant due to

A doubling of chromosomes after zygote formation B halving of chromosomes during gamete formation C doubling of chromosomes after gamete formation D halving of chromosomes after gamete formation

4. Factors responsible for the rapid spread of bread mould on slices of bread are

A (i) and (iii) B (ii) and (iv) C (i) and (ii) D (iii) and (iv)

5. Length of pollen tube depends on the distance between

A pollen grain and upper surface of stigma B pollen grain on upper surface of stigma and ovule C pollen grain in anther and upper surface of stigma D upper surface of stigma and lower part of style

6. Which of the following statements are true for flowers?

A (i) and (iv) B (ii) and (iii) C (i) and (iii) D (ii) and (iv)

7. Which among the following statements are true for unisexual flowers?

A (i) and (iv) B (ii), (iii) and (iv) C (iii) and (iv) D (i), (iii) and (iv)

8. Which among the following diseases is not sexually transmitted?

A Syphillis B Hepatitis C HIV – AIDS D Gonorrhoea

9. In human males, the testes lie in the scrotum, because it helps in the

A process of mating B formation of sperm C easy transfer of gametes D all the above

10. In following Figure, the parts A, B and C are sequentially

A cotyledon, plumule and radicle B plumule, radicle and cotyledon C plumule, cotyledon and radicle D radicle, cotyledon and plumule