10th science Chapter 8th objective English medium

 

For chapter 7 click here 👇👇

Chapter 7 control and coordination

By vikas lodhi

VENUS BHATNAGAR SCIENCE INSTITUTE INDORE 

                           CHAPTER - 8

         ( HOW TO ORGANISM REPRODUCE ) 

Question 1. All individuals produced by an organism are:

(a) Genetically similar
(b) Non-identical
(c) Fission
(d) Moneociuos

Answer: (a) Genetically similar

Question 2. Sexual reproduction is completed by _______ division:
(a) Mitotic
(b) Meiotic and mitotic both
(c) Meiosis
(d) Mitotic at some stages .

Answer: (c) Meiosis

Question 3. In yeast cell, division results in:
(a) Offspring
(b) Bud
(c) Clone
(d) Branch

Answer: (b) Bud

Question 4. Which of the following organisms undergo multiple fission?
(a) Paramecium
(b) Plasmodium
(c) Amoeba
(d) All of the above

Answer: (b) Plasmodium

Question 5. Hydra reproduces asexually through:
(a) Budding
(b) Binary fission
(c) Multiple fission
(d) Vegetative propagation

Answer: (a) Budding

Question 6. In which plant, the site of origin of new plants is node?
(a) Potato tuber
(b) Onion bulb
(c) Rhizome ginger
(d) All of the above

Answer: (d) All of the above

Question 7. In which of the following, asexual reproduction takes place through binary fission?
(a) Amoeba
(b) Yeast
(c) Plasmodium
(d) Leishmania

Answer: (b) Yeast

Question 8. Which of the following is in human beings?
(a) Ovary
(b) Uterus
(c) (a) and (b)
(d) Fallopian tube
(e) (a), (b) and (d)

Answer: (e) (a), (b) and (d)

Question 9. The anther, a part of male flower have:
(a) Sepals
(b) Ovules
(c) Carpel
(d) Pollen grains

Answer: (d) Pollen grains

Question 10. The information for making proteins is provided by:
(a) Rough endoplasmic reticulum
(b) DNA
(c) Hormones
(d) Enzymes

Answer: (b) DNA

Question 11. Nature of gametes are usually:
(a) Haploid
(b) Diploid
(c) Both (a) and (b)
(d) None of the above

Answer: (a) Haploid

Question 12. With the help of which tissues embryo gets nutrition from the mother’s blood?
(a) Zygote
(b) Uterus only
(c) Placenta
(d) None of these

Answer: (c) Placenta

Question 13. Which of the following is not a part of the male reproductive system in human beings?
(a) Testes
(b) Uterus
(c) Vas deferens
(d) Urethra

Answer: (b) Uterus

Question 14. Binary fission in some organisms occurs in definite orientation in relation to the cell structures. One such organisms is:
(a) Leishmania
(b) Plasmodium
(c) Amoeba
(d) Bacteria

Answer: (c) Amoeba

Question 15. Plants that have lost their capacity to produce seeds, reproduce by:
(a) Spores
(b) Vegetative propagation
(c) Fission
(d) Regeneration

Answer: (a) Spores

Question 16. A stamen consists of two parts namely:
(a) Anther and style
(b) Anther and filament
(c) Stigma and style
(d) Filament and style

Answer: (b) Anther and filament

Question 17. A bisexual flower contains:
(a) Stamens only
(b) Carpels only
(c) Either stamens or carpels
(d) Both stamens and carpels

Answer: (d) Both stamens and carpels

Question 18. Germinated seeds do not contains:
(a) Sepals
(b) Cotyledon
(c) Plumule
(d) Radicle

Answer: (a) Sepals

Question 19. A feature of reproduction that is common to amoeba, spirogyra and yeast is that:
(a) they reproduce asexually
(b) they are all unicellular
(c) they reproduce only sexually
(d) they are all multicellular

Answer: (a) they reproduce asexually

Question 20. Which of the part of flower ripens to form a fruit?
(a) Ovule
(b) Ovary
(c) Carpel
(d) Egg cell

Answer: (b) Ovary

Question 21. The testes perforin the following function/functions:
(a) Produce testosterone
(b) Produce sperms
(c) Produce male gametes and hormone
(d) Produce sperms and urine

Answer: (b) Produce sperms

Question 22. Where does fertilisation take place in human beings?
(a) Uterus
(b) Vagina
(c) Cervix
(d) Fallopian Tube

Answer: (d) Fallopian Tube

Question 23. Condom is a method of control that falls under the following category:
(a) Surgical method
(b) Hormonal method
(c) Mechanical method
(d) Chemical method

Answer: (c) Mechanical method

Question 24. The common passage for sperms and urine in the male reproductive system is:
(a) Ureter
(b) Seminal vesicle
(c) Urethra
(d) Vas deferens

Answer: (c) Urethra

Question 25. In sperm, which part dissociates after fertilization?

(a) Acrosome
(b) Tail
(c) Head
(d) Middle piece

Answer: (b) Tail

For chapter 9 click here 👇👇

Chapter 9 heredity and evolution

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