Reproduction In Animals Questions

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Reproduction In Animals Questions

List of reproduction in animals Questions

Question NoQuestionsClass
1The mode of reproduction in which an individual produces offspring without the help of another individual is called
as
A. Sexual reproduction
B. Tissue culture
c. Fertilisation
D. Asexual reproduction
8
2First transgenic sheep were carrying
A. genes for ( beta ) – lactoglobulin
B. Genes for Antihemophilic IX
C. Genes for Thyroxine
D. More than one correct answer
8
3The first mammal clone dolly was created by
A . lan wilmut
B. T.H. Morgan
c. Robert Briggs
D. Thomas King
8
4Which of the following statements is incorrect about Dolly, the clone?
A. Dolly was developed from a cell taken from the mammary gland of Scottish blackface ewe and an unfertilized egg obtained from Finn Dorsett sheep
B. The egg produced by the fusion was implanted into Scottish blackface ewe
C. Dolly was identical to Fin Dorsett sheep and was called its done
D. None of these
8
5How was the of cloning sheep Dolly achieved? What was the purpose of cloning this sheep?8
6The nucleus for cloning of dolly was taken from
A. Finn dorset sheep
B. Scottish black face ewe
c. Both A and B
D. None of these
8
7Very short answer type.
How the process of fission is different
from normal mitotic division?
8
8The technique by which “Dolly” the sheep obtained is termed as
A. Cloning by zygote transfer
B. Cloning by nuclear transfer
c. Cloning without the help of gametes
D. Cloning by tissue culture of somatic cells
8
9Dolly was given birth by
A. Finn dorset sheep
B. Scottish blackface ewe
C. Polled Dorset sheep
D. None of these
8
10Which is a better mode of reproduction sexual or asexual? Why?8
11Name asexual reproductive structures in the following organism.
¡) Hydra
ii) Chlamydomonas
iii) Penicillium
8
12Nucleus of a donor embryonal cell/somatic cell is transferred to an
enucleated egg cell. Then after the formation of organism, what shall be
true?
A. organism will have extranuclear genes of the donor cell
B. Organism will have extranuclear genes of recipient cell
c. organism will have extranuclear genes of both, donor and recipient cell
D. organism will have nuclear genes of recipient cell
8
13What are clones?8
14Dolly, the famous animal was a
A. Donkey
B. Girl
c. cloned sheep
D. Normal sheep
8
15The development of offspring from any part of the body is called-
A. Asexual reproduction.
B. Sexual reproduction.
c. vegetative reproduction
D. All the above
8
16Efforts to repeat the cloning of Dolly the sheep have been unsuccessful. The scientists who claim to have cloned
Dolly have been challenged to produce additional evidence that Dolly is really derived from an adult cell (as originally claimed), rather than fetal cells which might have contaminated the experiment (as the skeptics suggest) Which of the following could provide evidence that Dolly was created from an
adult cell, rather than a fetal cell
A. Dolly’s DNA finger prints
B. The heterozygosity of random pieces of Dolly’s DNA
c. The melting point of Dolly’s DNA
D. The length of Dolly’s telomeres
E. Dolly’s biological clock
8
17In cloning of cattle, a fertilized egg is
taken out of the mother’s womb and
A. The egg is divided into 4 pairs of cells which are implanted into the womb of other cows.
B. In the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows
C. In the eight cell stage, the individual cells are separated under electrical field for further development in culture media.
D. From this, upto eight identical twins can be produced.
8
18Binary fission is the division of the parent body into how many parts?
A. Three
B. Four
c. Two
D. Nine
8
19Which of the following organism was the cytoplasmic donor of Dolly?
A. Scottish black face sheep
B. Finn Dorset sheep
c. Bonnie
D. Sally
8
20Distinguish between asexual and sexual reproduction. Why is vegetative reproduction also considered as a type of asexual reproduction?8
21Cloning is the production of an exact copy of a cell, any other living part of a complete organism. A sheep named Dolly was the first mammal to be cloned by lan Wilmut and his colleagues at the
Roslin Institute in Edinburgh. Find out the incorrect statements about the
cloning of Dolly.
(i) Dolly was born on 5th July 1996
(ii) Dolly was given birth by the Finn Dorset sheep.
(iii) Dolly was found to be absolutely identical to the Scottish blackface ewe.
(iv) The nucleus of the mammary gland cell from the Finn Dorsett sheep was inserted into the egg of the Scottish blackface ewe whose nucleus had been
removed.
A. (i) only
B. (i) and (iii) only
c. (i), (ii) and (iii) only
D. All of the above
8
22Efforts to repeat the cloning of Dolly (the sheep) have been unsuccessful. The scientists who claim to have cloned
Dolly have been challenged to produce additional evidence that Dolly is really derived from an adult cell (an originally claimed), rather than a foetal cell which
might have contaminated the experiment (as the sceplor suggest). Which of the following could provide evidence that Dolly was created from an
adult cell, rather than a foetal cell?
A. Dolly’s DNA fingerprints
B. The heterozygosity of random pieces of Dolly’s DNA
c. The melting point of Dolly’s DNA
D. The length of Dolly’s telomeres
8
23The process in which a parent body
divides to form two daughter cells is called as
A. Fragmentation
B. Budding
c. Binary fission
D. Regeneration
8
24Which of the following was the first successful animal clone?
A. Dolly goat
B. Dolly sheep
c. Molly goat
D. Molly sheep
8
25Study the following figures and select
the correct statements regarding these.
(i) A shows mode of asexual
reproduction in sponges through internal buds.
(ii) B shows sexual reproduction
through zoospores in Chlamydomonas.
(iii) ( mathrm{C} ) shows asexual reproduction through conidiospores in Penicillium.
(iv) D shows external budding in Sycon.
A. (i) and (ii)
B. (i) and (iii)
c. (ii), (iii), and (iv)
D. (i), (iii) and (iv)
8
26Dolly sheep was obtained by
A. Cloning the udder cell (somatic cell) fused with 6 enucleated oocyte
B. Cloning of gametes
C. Tissue culture
D. None of the above
8
27How are clones produced in plants?8
28The first successfully cloned mammal that gained world-wide publicity was
A. Molly, a sheep
B. Polly, a sheep
c. chance, a bull
D. Dolly, a sheep
8
29Write short notes on the following.
(a) Fragmentation
(b) Regeneration ( (c) ) Budding
8
30Assertion
Dolly was a female domestic sheep, and the first mammal cloned by somatic
cell nuclear transfer
Reason
Cell nucleus from an adult somatic cell
is transferred into an unfertilized oocyte
A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
c. Assertion is correct but Reason is incorrect
D. Both Assertion and Reason are incorrect
8
31Is ‘Dolly’ living now-a-days?8
32First successful animal clone was
A. Dolly goat
B. Dolly sheep
c. Molly goat
D. Molly sheep
8
33A child observed a permanent slide fixed under a microscope. He concluded
that the the slide shows binary fission
in amoeba. Draw the four stages.
8
34Which of the following is a mode of asexual reproduction?
A. Gamete formation
B. Binary fission
c. Digestion
D. organogenesis
8
35( infty-3^{-5} )
What is
8
36How many parents were involved in cloning and production of Dolly?
A .2
B.
( c cdot 3 )
( D )
8

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