NCERT Class 10 Science Chapter 8 MCQs – How do organisms reproduce

How do Organisms Reproduce MCQ Questions with Answers


CBSE Class 10 Science Chapter 8 How do Organisms Reproduce MCQ Questions with Answers


How do Organisms Reproduce MCQs – Here is a compilation of Free Class 10 Science MCQs Chapter 8 How do organisms reproduce. Students can practice free MCQs as have been added by CBSE in the new Exam pattern. At the end of Multiple Choice Questions, the answer key has also been provided for your reference. Take Free Online MCQs Test For Class 10.


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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


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


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


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


Q5- In rhizopus tubular structure bearing sporangia at their tips are called __________.
A) filaments
B) Rhizoids
C) roots
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


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


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Q8- The ability of cell to divide into several cells during reproduction in plasmodium is called __________.
A) budding
B) reproductive division
C) Multiple fission
D) BInary fission


Q9- Asexual reproduction takes place through budding in _______.
A) Amoeba
B) yeast
C) plasmodium
D) leishmania

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Q10- The anther contains ________.
A) sepals
B) ovules
C) carpel
D) pollens


Q11- In human females, an event that reflects onset of reproductive phase is :
A) Growth of body
B) change in voice
C) changes in hair pattern
D) menstruation


Q12- Which among the following is not sexually transmitted?
B) hepatitis
C) Syphilis
D) Gonorrhoea


Q13- Which of the following is not the part of female reproductive system?
A) ovary
B) fallopian tube
C) uterus
D) vas deferens


Q14- During adolescence, several changes occur in human body. Mark one change that is associated with sexual maturity in boys?
A) loss of milk teeth
B) increase in height
C) weight gain
D) cracking of voice


Q15- The offsprings formed by sexual reproduction exhibit more variations because _________.
A) sexual reproduction is a lengthy process
B) genetic material comes from two parents of same species
C) genetic material comes from two parents of different species
D) genetic material comes from many parents


Q16- The reproductive part of flower is _______.
A) sepals
B) petals
C) anther
D) flower


Q17- The seeds with two cotyledons are:
A) fruit
B) dicot
C) monocot
D) flower



Q18- The triploid nucleus formed is called ______.
A) fruit
B) seed
C) zygote
D) endosperm


Q19- Syngamy is :
A) fusion of male gamete and female gamete in humans
B) fusion of male gamete and female gamete in non flowering plants
C) fusion of egg cell and male gamete in non flowering plants
d) fusion of egg cell and male gamete in flowering plants

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Q20- The fate of placenta is to :
A) provide nutrition to embryo
B) provide support to embryo
C) provide minerals to zygote
D) none


Q21- Vegetative propagation refers to formation of new plants from———-.
A) stem, roots, flowers
B) stem, roots, leaves
C) stem, flowers, fruit
d) stem, leaves, flowers


Q22- Factors responsible for the rapid spread of bread mould on slices of bread are _______.
A) lesser number of spores
B) availability of moisture and nutrients
C) presence of tubular branched hyphae
D) formation of round shaped sporangia


Q23- Which of the following statements are true for flowers?
A) flowers are always bisexual
B) They are sexual reproductive organ
C) They are produced in all group of plants
D) After fertilization they give rise to fruit

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Q24- Which among the following statements are false for unisexual flowers?
A) They always possess stamen and pistil
B) they possess either stamen or pistil
C) they show cross pollination
D) unisexual flowers posessing only stamens can not produce fruits


Q25- Which among the following statements are false for sexual reproduction in flowering plants?
A) it requires two types of gametes
B) fertilization is compulsory
C) it always results in formation of zygote
D) offsprings are clones


Q26- Reproduction is essential for living organisms in order to _______.
A) keeping the organism alive
B) fulfil their energy requirement
C) maintain growth
D) continue species from generation to generation


Q27- In human males, the testes lie in the scrotum, because it helps in _________.
A) process of mating
B) formation of sperm
C) easy transfer of gametes
D) all


Q28- The two oviducts in human female unite in a bag called ________.
A) vagina
B) uterus
C) cervix
D) fallopian tube


Q29- Which out of them is STD?
A) kala azar
B) jaundice
C) cholera
D) syphilis


Q30- When an animal is cut into pieces and each part gives rise to new organism the process is called _____________.
A) Budding
B) fragmentation
C) spore formation
D) Regeneration


Q31- Which of the following is contraceptive ?
A) condom
B) copper T
C) Diaphragm
D) all


Q32- Which is the portion on which grafting is done and it provides roots?
A) stock
B) scion
C) both a and b
D) none


Q33- Where does fertilization occur in human females ?
A) cervix
B) vagina
C) uterus
D) oviduct


Q34- Growing foetus derives nutrition from mother through _______.
A) endosperm
B) placenta
C) fallopian tube
D) cervix


Q35- What is the puberty age in females?
A) 8-10
B) 10-12
C) 12-14
D) 14-16


Q36- IUCD is for :
A) vegetative propagation
B) prevent miscarriage
C) contraception
D) increasing fertility chance


Q37- Bryophyllum reproduces through _______.
A) Buds
B) leaf
C) root
D) stem


Q38- Rose is propogated through ______.
A) leaf
B) stem
C) root
D) none


Q39- The animals that give birth to young ones are called as :
A) Oviparous
B) Viviparous
C) both a and b
D) None


Q40- Tadpole is the developing stage of which of these?
A) Dogs
B) Cats
C) Frogs
D) humans


Q41- The cell formed after fertilization is called :
A) Foetus
B) zygote
C) embryo
D) none


Q42- Eggs are formed in :
A) Testes
B) ovaries
C) penis
D) none


Q43- How many modes of reproduction take place in animals?
A) one type
B) Two types
C) three types
D) four types


Q44- A sperm consists of how many parts ?
A) 1
B) 2
C) 3
D) 4


Q45- Foetus is a :
A) well developed embryo
B) developing embryo
C) A zygote
D) male gamete


Q46- oviparous are the ones who _____
A) produce eggs
B) produce young ones
C) both a and b
D) none


Q47- Cloning is a mode of :
A) sexual reproduction
B) asexual reproduction
C) both a and b
D) none


Q48- The lytic enzyme of sperm is :
A) ligase
B) Acrosome
C) Androgen
D) pepsin


Q49- The number of chromosomes in human sex cell is :
A) 23
B) 23 pairs
C) 46
D) 46 pairs


Q50- The number of autosomes in humans is :
A) 46
B) 44
C) 23
D) 22


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Answer Key for Class 10 Science Book Chapter 8 How do organisms reproduce MCQs

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