Home
Class 12
BIOLOGY
Consider the following statements and ch...

Consider the following statements and choose the ones that represents tapetum
I. It is the single, innermost layer.
II. It provides nutrition to the pollen grains.
III. It helps in the dispersal of microspores.
IV. It stores reserve food durings early stages of microspore development.
Codes

A

II & III

B

II and IV

C

I & II

D

III & IV

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUESTIONS|55 Videos
  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUESTIONS|55 Videos
  • RESPIRATION IN PLANTS

    PHYSICS WALLAH|Exercise NEET Past 10 Years Questions|14 Videos
  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUETSIONS|24 Videos

Similar Questions

Explore conceptually related problems

Consider the following statements regarding stratosphere . I. It begins at the top of the tropopause. II. It includes much of ozone layer. III. It is nearest to the earth. IV. This zone is above 80 km atitude. Choose the incorrect statement

Consider the following statements regarding angiosperms and choose combination of correct statement among these. I. As a rule, only one pollen tube is formed from one pollen grain. II. The protoplast of the pollen grain migrates out and position itself at the tip of pollen tube. III. Backward flow of cytoplasm from the tio of the pollen tube towards the microspore is prevented by the formation of callose plugs at intervals. Codes

Consider the following statements and choose the correct option. I. Primary endosperm nucleus is triploid. II. In grass and water lily plant, pollination occurs through water. III. Tapetum nourishes the developing pollen grains. IV. Hilum represents the junction between ovule and funiculus.

Choose the correct statements regarding endosperm. I. It provides nutrition to the developing embryo. II. It has the potentially to form a complete plant. III. It contains reserve food material such as fats, carbohydrates, oil, proteins, etc. in mature seeds. IV. It continues to divide transversely and produces a thread of cells called the suspensor. Codes

Consider the following statements. I. Deer is a dioestrus animal. II. Mouse is a monooestrus animal. III. Dog Is a polyoestrus animal. IV. Mammals are seasonal breeders. Choose the correct codes.

Consider the following statements about retrovirus, I. It has an enzyme located in its coat. II. In it , the newly formed DNA integrates in host genome. III. It has a dsDNA as a genetic material. IV. Some of them are highly oncogenic. Choose the correct answer using the codes given below .

Consider the following statements. I. Period of life span from birth till the developmentof reproductive ability is called juvenile period. II. Reproduction flourishes in maturity. III. Tissue deterioration is a sign of senescence IV. Death marks the end of all the phases of life. Choose the correct ones.

Consider the following four statements (i).(iv) and select the option that correctly identifies the true (T) and false (F) ones. (i). Micturition is carried out by a reflex. (ii). ADH helps in water elimination making the urine hypotonic. (iii). Protein-free fluid is filtered from blood plasma into the bowman's capsule. (iv). Glucose is actively reabsorbed in the proximal convoluted tubule.

PHYSICS WALLAH-SEXUAL REPRODUCTION IN FLOWERING PLANTS-LEVEL-2
  1. Main function of endothecium (in anther) is :-

    Text Solution

    |

  2. Parthenium or carrot grass has become ubiquitous in occurrence and cau...

    Text Solution

    |

  3. Dichogamy which helps in cross pollination is a floral mechanism in wh...

    Text Solution

    |

  4. Xenogamy is

    Text Solution

    |

  5. The correct match of the following is:

    Text Solution

    |

  6. Consider the following statements and choose the ones that represents ...

    Text Solution

    |

  7. Insect pollinated flowers usually possess:

    Text Solution

    |

  8. Despite high level of heterozygosity, the progeny derived from a seed ...

    Text Solution

    |

  9. The parenchyma tissue which forms the bulk of ovule where the sporogen...

    Text Solution

    |

  10. Angiosperm double fertilization is so-called because it features the f...

    Text Solution

    |

  11. A researcher has developed two stains for use with seed plants. One st...

    Text Solution

    |

  12. Find the odd one wrt synergid

    Text Solution

    |

  13. Chasmogamous and cleistogamous type of flowers are found in:

    Text Solution

    |

  14. Haploid, diploid and triploid conditions respectively can be traced in...

    Text Solution

    |

  15. Advantage of cleistogamy is

    Text Solution

    |

  16. In Angiosperm, if number of chromosomes in endosperm is 30, what will ...

    Text Solution

    |

  17. Seed is not morphologically equivalent to spore because

    Text Solution

    |

  18. In non edospermic seed or ex-albuminous seed

    Text Solution

    |

  19. The correct match of the following is :

    Text Solution

    |

  20. Which statement is false ?

    Text Solution

    |