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General Science ➤ Biology ➤ 1
Question 51
Q51.  Which of the following correctly explains the phenomenon of “Test Tube Baby”?
 

Answer :  When the fertilisation is external and development is internal


Test tube baby is born from in vitro fertilization. In vitro fertilization (IVF) is a process by which an egg is fertilized by sperm outside the body: in vitro. When a woman’s natural cycle is monitored to collect a naturally selected ovum (egg) for fertilization, it is known as natural cycle IVF. The fertilized egg (zygote) is then transferred to the patient’s uterus with the intention of establishing a successful pregnancy.
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Question 52
Q52.  Loss of water in plants in the form of liquid is known as _____:
 

Answer :  Guttation


The process by which plants lose water in liquid form is called Guttation. In guttation, the loss of water in the form of liquid takes place from the uninjured margins of the leaves. It mostly takes place during night. On the other hand, if the water is lost from the plant body in the form of water vapors, then the phenomenon is called Transpiration.
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Question 53
Q53.  आलू में मोजैक रोग का कारक तत्व है ?
 

Answer :  विषाणु
Question 54
Q54.  जन्तुओं में होने वाली ' फूट एण्ड माउथ ' रोग किसके कारण उत्पन्न होती है ?
 

Answer :  विषाणु
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