Home
Class 12
BIOLOGY
Concentration of which of the following ...

Concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?

i. Oxygen
ii. Amino Acids
iii. Carbon dioxide
iv. Urea

A

i and ii

B

ii and iv

C

iii and iv

D

i and iv

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2022

    CBSE MODEL PAPER|Exercise SECTION - C|12 Videos

  • SAMPLE PAPER 2022

    CBSE MODEL PAPER|Exercise Questions in lieu of diagram based questions for VI candidates (Section - A) |5 Videos

  • SAMPLE PAPER 2022

    CBSE MODEL PAPER|Exercise Questions in lieu of diagram based questions for VI candidates (Section - C) |11 Videos

  • PRACTICE PAPER 2022

    CBSE MODEL PAPER|Exercise MULTIPLE CHOICE QUESTION |60 Videos

  • SAMPLE PAPER 2022 TERM II

    CBSE MODEL PAPER|Exercise SECTION C|2 Videos

Similar Questions

Explore conceptually related problems

Concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord? The Human foetus within the uterus (I) Oxygen (II) Amino Acids (III) Carbon dioxide (IV) Urea

Arrange the following compounds in the order of decreasing acidity. I II III IV

Which of the following can exhibit resonance? (i) Oxygen (ii) Ozone (iii) Allene (iv) Hydrogen peroxide

Which of the following represents the correct decreasing order of acidic strength of following ? (i)Methanoic acid (ii)Ethanoic acid (iii)Propanoic acid (iv)Butanoic acid

Which of the following are oxosalts ? (i) Carbonates , (ii) Nitrates (iii) Bicarbonates , (iv) Nitrites

CBSE MODEL PAPER-SAMPLE PAPER 2022-SECTION - B
  1. Assertion: Parturition is induced by neural signal in maternal pituita...

    Text Solution

    |

  2. Assertion: When the two genes in a dihybrid cross are situated on the ...

    Text Solution

    |

  3. Concentration of which of the following substances will decrease in th...

    Text Solution

    |

  4. In a fertilized ovule, n, 2n and 3n conditions occur respectively in

    Text Solution

    |

  5. A botanist studying Viola (common pansy) noticed that one of the two f...

    Text Solution

    |

  6. During parturition, a pregnant woman is having prolonged labour pains ...

    Text Solution

    |

  7. A female undergoing IVF treatment has blocked fallopian tubes. The tec...

    Text Solution

    |

  8. The mode of action of the copper ions in an IUD is to

    Text Solution

    |

  9. To produce 400 seeds, the number of meiotic divisions required will be

    Text Solution

    |

  10. A cross is made between tall pea plants having green pods and dwarf pe...

    Text Solution

    |

  11. In Antirrhinum, RR is phenotypically red flowers, rr is white and Rr i...

    Text Solution

    |

  12. What would be the genotype of the parents if the offspring have the ph...

    Text Solution

    |

  13. What is the pattern of inheritance in the above pedigree chart?

    Text Solution

    |

  14. A couple has two daughters. What is the probability that the third chi...

    Text Solution

    |

  15. Genotypic ratio of 1:2:1 is obtained in a cross between

    Text Solution

    |

  16. Total number of nucleotide sequences of DNA that codes for a hormone i...

    Text Solution

    |

  17. A stretch of an euchromatin has 200 nucleosomes. How many bp will ther...

    Text Solution

    |

  18. Observe structures A and B given below. Which of the following stateme...

    Text Solution

    |

  19. If Meselson and Stahl's experiment is continued for sixth generations ...

    Text Solution

    |

  20. Two important RNA processing events lead to specialized end sequences ...

    Text Solution

    |