Class 10 Science Chapter 8 How do the Organisms Reproduce MCQ Questions with Answer

How do the Organisms Reproduce Class 10 MCQ is one of the best strategies to prepare for the CBSE Class 10 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more How do the Organisms Reproduce class 10, which will help them all through their board test.

How do the Organisms Reproduce Class 10 MCQ Questions with Answer

Class 10 Science MCQ with answers are given here to chapter 8 How do the Organisms Reproduce. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 10 Science syllabus. By Solving these Class 10 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 10 Annual exam.

Learn How do the Organisms Reproduce Class 10 MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 10 How do the Organisms Reproduce MCQ with answers given below.

Question 1. Assertion: Ovary releases one egg every month.     
Reason: The lining of uterus is always thick and spongy.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Question 2. Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?   
(a) Prostate glands
(b) Seminal vesicles
(c) Scrotum
(d) Urinary bladder

Question 3. In a potato, vegetative propagation takes place by:     
(a) root
(b) leaf
(c) stem tuber
(d) grafting

Question 4. Anemophily is the pollination by –   
(a) Birds
(b) Rain
(c) insects
(d) Wind

Question 5. When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?   
(a) Placenta
(b) Amniotic sac
(c) Oviduct
(d) Uterus

Question 6. Assertion: In human beings, the female. play a major role in determining the sex of the offspring.   
Reason: Women have two X chromosomes.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Question 7. Which of this is seminal fluid?   
(a) Prostate gland
(b) Cowper’s gland
(c) Seminal vesicle
(d) all of these

Question 8. The fertilisation of human egg by the sperm takes place in     
(a) vagina
(b) uterus
(c) ovary
(d) oviduct

Question 9. When a sperm is deposited into the vagina which route does it travel ?     
(a) Vagina → Oviduct → Uterus → Cervix
(b) Vagina → Ovary → Uterus → Oviduct
(c) Vagina → Cervix → Uterus → Oviduct
(d) Vagina → Uterus → Cervix → Oviduct

Question 10. Many unicellular organisms reproduce by the process of     
(a) fission
(b) ovulation
(c) regeneration
(d) non-disjunction

Question 11. Anemophily is the pollination by:   
(a) Birds
(b) Rain
(c) insects
(d) Wind

Question 12. Which of the following is a primary sex organ in a mammal?   
(a) Ovary
(b) Vagina
(c) Uterus
(d) Mammary glands

Question 13. Which part of the flower forms the fruit?   
(a) Whole flower
(b) Only stamens and carpel
(c) Only ovary
(d) Only carpel

Question 14. A pair of duct arising from testis, which carry sperms are     
(a) fallopian tube
(b) vas deferens
(c) oviduct
(d) urethra

Question 15. The period during adolescence when the reproductive tissues begin to mature is called 
(a) ovyfetion
(b) puberty
(c) germination
(d) propagation

Question 16. When an organism breaks into a number of parts and each part develop into an individual, it is called: 
(a) Budding
(b) Binary fission
(c) Regeneration
(d) Spore formation

Question 17. 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

Question 18. The process of release of eggs from the ovary is called     
(a) menstruation
(b) reproduction
(c) insemination
(d) ovulation

Question 19. In Rhizopus, tubular thread like structures bearing sporangia at their tips are called   
(a) filaments
(b) hyphae
(c) rhizoids
(d) roots

Question 20. Assertion: In male reproductive system, transport of sperm takes place in a fluid which also provide nutrition. Reason: Protective glands and seminal vesicles secret in the vas deferens.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Question 21. In man, fertilization of ovum takes place in   
(a) Vagina
(b) ovary
(c) uterus
(d) Fallopian tubes

Question 22: Menstrual cycle is generally of
(a) 21 days
(b) 28 days
(c) 38 days
(d) 40 days   

Question 23: Plants of desired qualities are produced by:
(a) Cutting
(b) Grafting
(c) Layering
(d) Any one of (a), (b),(c)   

Question 24. At the time of entering into ovule, pollen tube has   
(a) three male nuclei
(b) two male nuclei
(c) one gamete nucleus
(d) four male gametes

Question 25. During favourable conditions, Amoeba reproduces by   
(a) multiple fission
(b) binary fission
(c) budding
(d) fragmentation

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Question 26: Example of external fertilization is
(a) fish and frog
(b) frog and monkey
(c) dog and goat
(d) goat and fish     

Question 27: Budding and fission are processes used by 
(a) diocious species.
(b) hermaphroditic organisms.
(c) organisms requiring new gene combinations for each generation.
(d) asexually reproducing species.   

Question 28: Tunica albuginea is the covering around
(a) ovary
(b) testes
(c) kidney
(d) heart 

Question 29: The vegetative reproduction in sweet potato is done by –
(a) stem
(b) leaf
(c) root
(d) flower       

Question 30 : In mammals, the testes lie in scrotal sacs due to
(a) presence of urinary bladder.
(b) presence of rectum.
(c) long vas-deferens.
(d) requirement of low temperature for spermatogenesis.   

Question 31: 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 

Question 32: Gemmule formation in sponges is helpful in:
(a) Parthenogenesis
(b) Sexual reproduction
(c) Only dissemination
(d) Asexual reproduction   

Question 33: Ovulation in mammals is caused by:
(a) FSH and TSH
(b) FSH and LH
(c) FSH and LTH
(d) LTH and LH   

Question 34: The figure shown above illustrates which method of vegetative propagation?
(a) Bud formation
(b) Grafting
(c) Layering
(d) Spore formation   

Question 35: The following figure represents :   

(a) Budding in Hydra
(b) Budding in Planaria
(c) Regeneration in Planaria
(d) Regeneration in Hydra   

Question 36: In 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   

Question 37: In the figure of budding in Yeast, structures a, b, c and d should be labelled respectively as      

(a) Nucleus of bud, bud, Yeast, nucleus
(b) Dividing nucleus of bud, bud, Yeast, nucleus
(c) Nucleus of bud, bud, Yeast, dividing nucleus of yeast
(d) Dividing nucleus of Yeast, Yeast, bud, nucleus of bud. 

Question 38: Vegetative propagation is possible by
(a) Root
(b) Stem
(c) Leaves
(d) All of these 

Question 39: Ovaries produce
(a) oestrogen and progesterone
(b) oestrogen only
(c) progesterone only
(d) testosterone     

Question 40: The diagrams below represent the reproductive systems in the human male and female. 

The blockages shown at A and B would most likely interfere with the ability to
(a) transport gametes
(b) produce mature gametes
(c) eliminate waste products through the urethra
(d) express secondary sex characteristics

Question 41: Site of fertilization in mammals is
(a) ovary
(b) uterus
(c) vagina
(d) fallopian tube   

Question 42: Fertilization does not occur in which part?
(a) fallopian tube
(b) ampulla
(c) oviduct
(d) vagina   

Question 43: Progesterone is secreted by
(a) corpus luteum
(b) thyroid
(c) thymus
(d) testes     

Question 44: Oral-contraceptives prevent the
(a) fertilization
(b) ovulation
(c) implantation
(d) entrance of sperms in vagina   

Question 45: The general method of asexual reproduction, in yeast fungus is –
(a) by spores
(b) by budding
(c) binary fission
(d) gemma   

Question 46: Seminiferous tubules are composed of
(a) Spermatogonia
(b) Glandular epithelium
(c) Sensory epithelium
(d) Germinal epithelium     

Question 47: Cowper’s glands are found in
(a) male mammals
(b) female mammals
(c) male amphibians
(d) female amphibians   

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