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प्रश्न
Pataus’ syndrome is also referred to as ____________.
विकल्प
13-Trisomy
18-Trisomy
21-Trisomy
None of these
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उत्तर
Pataus’ syndrome is also referred to as 13-Trisomy.
संबंधित प्रश्न
Which of the following is not correct?
Streptokinase produced by bacterium Streptococcus is used for ______.
Which of following organisms cannot fix nitrogen?
- Azotobacter
- Oscillatoria
- Anabaena
- Volvoх
- Nostoc
Choose the correct answer from the options given below:
In the above represented plasmid an alien piece of DNA is inserted at EcoRI site. Which of the following strategies will be chosen to select the recombinant colonies?
Name the class of enzyme that usually catalyse the following reaction:
S − G + S# → S + S# − G
where, G → a group other than hydrogen
S → a substrate
S# → another substrate
Which are correct:
- Computed tomography and magnetic resonance imaging detect cancers of internal organs.
- Chemotherapeutics drugs are used to kill noncancerous cells.
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- Chemotherapeutic drugs are biological response modifiers.
- In the case of leukaemia blood cells counts are decreased.
Choose the correct answer from the option given below:
Match List - I with List - II.
| List - I | List - II |
| A. Chlorophyll a | I. Yellow-green |
| B. Chlorophyll b | II. Yellow |
| C. Xanthophylls | III. Blue-green |
| D. Carotenoids | IV. Yellow to Yellow-orange |
Choose the option with all correct matches.
Consider the following:
- The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
- The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females.
- The first polar body is associated with the formation of the primary oocyte.
- Luteinising Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding.
Choose the correct answer from the options given below:
All living members of the class Cyclostomata are ______.
Assertion (A): All vertebrates are chordates but all chordates are not vertebrate.
Reason (R): The members of subphylum vertebrata possess notochord, during the embryonic period, the notochord is replaced by a cartilaginous or bony vertebral column in adults.
In the light of the above statements, choose the correct answer from the options given below:
