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Q1. In a list of organisms given below which is reproduced by asexual method ?
A) Banana
B) Yeast
C) Dog
D) lion
B) Yeast
Q2. Offsprings formed by asexual method of reproduction have greater similarity among themselves because_______.
A) Asexual reproduction involves two parent
b) Asexual reproduction does not involve gametes
C) Asexual reproduction occurs before sexual reproduction
D) Asexual reproduction occurs before sexual reproduction
A) Asexual reproduction involves two parent
Q3. The correct sequence of reproductive stages seen in flowering plants is _
A) Gamete, zygote, embryo, seedling
B) zygote, gamete, embryo, seedling
C) seedling, embryo, zygote, gametes
D) gamete, embryo, zygote , seedling
A) Gamete, zygote, embryo, seedling
Q4. The number of chromosomes present in parents and offspring of a particular species remains constant due to __.
A) doubling of chromosomes during zygote formation
B) Halving of chromosomes during gamete formation
C) Doubling of chromosomes after gamete formation
D) Halving of chromosomes after gamete formation
B) Halving of chromosomes during gamete formation
Q5. In rhizopus tubular structure bearing sporangia at their tips are called __.
A) filaments
B) Rhizoids
C) roots
D) Hyphae
D) Hyphae
Q6. Which among the following is not the function of testis at puberty ?
A) Formation of sperms
B) Releasing testosterone
C) ovulation
D) release of seminal fluid
C) ovulation
Q7. Length of the pollen grain depends upon 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
B) pollen grain on upper surface of stigma and ovule
Q8. Variations occur as a result of
(a) asexual reproduction
(b) vegetative propagation
(c) sexual reproduction
(d) regeneration
(c) sexual reproduction
Q9. Fertilisation occurs in human female when the sperms and ovum reach simultaneously at
(a) fallopian tube
(b) uterus
(c) vagina
(d) cervix
(a) fallopian tube
Q10. AIDS is a sexually transmitted disease caused due to an infection by a
(a) bacteria
(b) protozoa
(c) virus
(d) Plasmodium
(c) virus
Q11. In the list of organisms given below, those that reproduce by the asexual method are
{i) banana
(ii) dog
(iii) yeast
(iv) Amoeba
(a) (ii) and (iv)
(b) (i), (iii) and (iv)
(c) (i) and (iv)
(d) (ii), (iii) and (iv)
(b) (i), (iii) and (iv)
Q12. Which of the following is the correct sequence of events of sexual reproduction in a flower?
(а) pollination, fertilisation, seedling, embryo
(b) seedling, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seedling
(d) embryo, seedling, pollination, fertilisation
(c) pollination, fertilisation, embryo, seedling
Q13. Offspring formed by asexual method of reproduction have greater similarity among themselves because
(i) asexual reproduction involves only one parent
(ii) asexual reproduction does not involve gametes
(iii) asexual reproduction occurs before sexual reproduction
(iv) asexual reproduction occurs after sexual reproduction
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (iii) and (iv)
(a) (i) and (ii)
Q14. Characters that are transmitted from parents to offspring during reproduction show
(a) only similarities with parents
(b) only variations with parents
(c) both similarities and variations with parents
(d) neither similarities nor variations
(c) both similarities and variations with parents
Q15. In Spirogyra, asexual reproduction takes place by
(a) breaking up of filaments into smaller bits
(b) division of a cell into two cells
(c) division of a cell into many cells
(d) formation of young cells from older cells.
(a) breaking up of filaments into smaller bits
Q16. Which among the following diseases is not sexually transmitted?
(a) Syphyllis
(b) Hepatitis
(c) HIV-AIDS
(d) Gonorrhea
(b) Hepatitis
Q17. The period during adolescence when the reproductive tissues begin to mature is called
(a) ovyfetion
(b) puberty
(c) germination
(d) propagation
(b) puberty
Q18. Which of the following is not an artificial method of vegetative propagation?
(a) Cutting
(b) Layering
(c) Budding
(d) Grafting
(c) Budding
Q19. There is a greater possibility for the evolution of a new species in organisms which reproduce by
(a) binary fission
(b) budding
(c) fertilisation
(d) regeneration
(c) fertilisation
Q20. The normal duration of menstrual cycle is
a) 7 – 8 days
b) 13 – 15 days
c) 3 – 4 days
d) 28 days
d) 28 days
Q21. A common feature of reproduction in Amoeba, spirogyra and yeast is that:
a) Asexual reproduction occurs after sexual reproduction
b) Asexual reproduction occurs before sexual reproduction
c) Asexual reproduction does not involve gametes
d) Asexual reproduction involves only one parent
d) Asexual reproduction involves only one parent
Q22. The ability of an organism to develop whole body from a broken piece or fragment is called
(a) binary fission
(b) budding
(c) multiple fission
(d) regeneration
(d) regeneration
Q23. Which is the most common method of reproduction in majority of fungi and bacteria?
(a) Budding
(b) Spore formation
(c) Binary fission
(d) Multiple fission
(b) Spore formation
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