Cloning
Trending Questions
Q.
When is an embryo called a foetus?
Q. Cloning of an animal was successfully performed for the first time by
- Thomas Edison
- Ian Wilmut
- Antony van Leeuwenhoek
- Robert Hooke
Q. Which of the following was the first mammal to be cloned by Ian Wilmut?
- Goat
- Dog
- Pig
- Sheep
Q.
Where does the human embryo develop?
Q.
Sperms mature at a temperature higher than that of the human body.
- True
- False
Q. Explain cloning?
Q. Which of the following facts is/are true for a clone?
- The clone is genetically dissimilar to their parents.
- The clone is genetically identical to their parents.
- The clone is the baby produced through sexual reproduction.
- The clone is the baby produced through in vitro fertilisation.
Q. Dolly is a clone of Finn Dorset sheep.
- True
- False
Q. In which stage can all the body parts of the baby be identified?
- Foetus
- First cell
- Embryo
- Zygote
Q.
The process by which organisms make copies of themselves is called ________ .
photosynthesis
transpiration
respiration
reproduction
Q.
How twins, triplets and octuplets are born?
Q.
Fill in the following blanks with suitable words:
(m) Dolly , the sheep, was produced by the technique called
Q.
Give one word for the following:
The structure by which a human embryo is attached to the uterus.
Q. Name the technique which was used in producing ‘Dolly’ the sheep.
Q.
Name the following:
The male reproductive cells.
Q. How was the of cloning sheep Dolly achieved ? What was the purpose of cloning this sheep?
Q. Cloning is the production of an exact copy of a cell or any other living part of a complete organism. A sheep named Dolly was the first mammal to be cloned by Ian 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 Dorsett sheep.
(iii) Dolly was found to be absolutely identical to the Scottish blackface.
(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.
(ii) Dolly was given birth by the Finn Dorsett sheep.
(iii) Dolly was found to be absolutely identical to the Scottish blackface.
(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.
- (i) only
- (ii) and (iii)
- (i), (ii) and (iii)
- All of the above
Q. Dolly, the famous animal was a:
- Cloned mule
- Cloned horse
- Cloned sheep
- Cloned dog
Q. What is a clone? In what way is the cloning technique useful in the field of veterinary science?
Q. How many parents were involved in the cloning and production of Dolly?
- 2
- 3
- 4
- 1
Q. The technique by which "Dolly" the sheep obtained is termed as:
- Cloning by zygote transfer
- Cloning by nuclear transfer
- Cloning without the help of gametes
- Cloning by tissue culture of somatic cells
Q. What are clones?
Q. Cloning of an animal was successfully performed for the first time by
- Antony van Leeuwenhoek
- Ian Wilmut
- Robert Hooke
- A.G. Tansley
Q. A clone is a group of individuals obtained through______________
- Hybridisation
- Self-pollination
- Micropropagation
- Cross-pollination
Q. Is 'Dolly' living now-a-days?
