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Variation is observed more in the offspr...

Variation is observed more in the offsprings through sexual produced reproduction, because ………………..... a.Sexual reproduction is a long and complicated process. b.genetic material of two parents of different species is inherited in offspring. c.genetic material of two parents of same species is inherited in offspring. d.genetic material in the offspring is double than that in the parent.

A

sexual reproduction is a long and complicated process.

B

genctic material of two parents of different species is inherited in offspring.

C

genetic material of two parents of same species is inherited in offspring.

D

genetic material in the offspring is double than that in the parent.

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The correct Answer is:
A, B, C, D
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Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because. (A) Sexual reproduction is a lengthy process. (B) Gametes of parents have qualitatively different genetic composition. (C) Genetic material comes from parents of two different species. (D) Greater amount of DNA is involved in sexual reproduction.

Give scientific reasons for the following statements: The offsprings formed through asexual reproduction have same genetic constitution as their parent cell.

In asexual reproduction, offsprings are similar, because ………………... a.only one parent is involved in reproduction. b.two parents are involved in reproduction. c.reproductive cells are involved. d.reproductive cells are not involved.

Which option is correct for statement - X and statement - Y ? Statement - X : Sexual reproduction is slow and complex process. Statement - Y : Sexual reproduction results in offsprings that are not identical to the parents or amongst themselves.

Find mismatched pair. (a) Gene flow - Bound to happen between population of two different species. (b) Genetic drift - Frequency of certain genes in a population changed over generation. (c) Genetical variation - Inherited trait (d) Gene - An informative section of DNA for protein

Which is a false statement for variation ? a.All the variations in a species provide equal opportunity for survival. b.Very few variations are generated in asexual reproduction. c.Variations selected by the environmental factors cause the occurrence of evolution. d.The change in the genetic material (DNA) results in variation.

A few statements describing certain features of reproduction are given below : (i) Gametic fusion takes place (ii) Transfer of genetic material takes place (iii) Reduction division takes place (iv) Progeny have some resemblance with parents Select the options that are true for both asexual and sexual reproduction from the options given below :

Identify the incorrect statement. (A) In asexual reproduction, the offspring produced are morphologically and genetically identical to the parent. (B) Zoospores are sexual reproductive structures. (C) In asexual reproduction, a single parent produces offspring with or without the formation of gametes. (D) Conidia are asexual structures in Penicillium.

Offsprings formed by organisms showing asexual reproduction have greater range of similarity because ……………….... (1) only one parent is involved in asexual reproduction. (2) reproductive cells does not involve in asexual reproduction. (3) asexual reproduction is faster than sexual reproduction. (4) more offsprings are produced in asexual reproduction. a.(1) and (2) b.(1) and (3) c.(2) and ( 4) d.(3) and (4)

Which of the following statement is related to sexual reproduction in animals ? (A) Single parent is involved (B) Gamete formation occur (C) Offspring are exact copies of their parent (D) Common among single celled organisms.

KUMAR PRAKASHAN-HOW DO ORGANISMS REPRODUCE?-OBJECTIVE QUESTIONS AND ANSWERS (Select the correct option from those given below each question : )
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  2. Which is a necessity of cellular reproduction ?

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  3. Which of the following is true for the flower? (1) Flowers are alway...

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  4. Variation is observed more in the offsprings through sexual produced r...

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  5. In which part of the flower male reproductive cells and female reprodu...

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  6. What will be produced from the fertilised egg cell in a flower ? a.Em...

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  7. In which type of reproduction there is seed formation ? a.Vegetative ...

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  8. At the stage of puberty in boy there are secondary sexual changes. Whi...

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  9. For the formation of sperms in testes, the temperature ………………….... a.m...

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  10. Which of the following are not the functions of testes, at puberty ? ...

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  11. Which of the following group of sexual diseases occur through the bact...

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  12. Offsprings formed by organisms showing asexual reproduction have great...

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  13. Stamen in flower: a.They produce new seeds. b.They produce new fruit...

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  14. The responsible factors for rapid spread of rhizopus on piece of bread...

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  15. What is indicated by the given figure ? a.Budding in yeast b.Form...

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  16. Which is the sign of initiation of reproductive maturity in girl? a.W...

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  17. Which part of flower becomes mature and modified into fruit? a.Ovule ...

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  18. When plants lose the capacity of seed formation then how does reproduc...

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  19. In which contraceptive method, condom is used ? a.Surgical method b....

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  20. Statement A: Prenatal sex determination has been prohibited by law. ...

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