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

I and II

B

III and IV

C

I and III

D

IV and II

Text Solution

Verified by Experts

The correct Answer is:
A
NA
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT NEET|Exercise MEDICAL ENTRANCE EXAMS|132 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    ARIHANT NEET|Exercise ASORTED QUESTIONS|163 Videos

  • RESPIRATION IN PLANTS

    ARIHANT NEET|Exercise C.Medical entrances gallery(Collection of question asked in NEET & vatious medical entrance exams)|110 Videos

  • SOLVED PAPERS 2017

    ARIHANT NEET|Exercise Solved Paper 2017 (JIPMER)|35 Videos

Similar Questions

Explore conceptually related problems

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

Knowledge Check

  • In each anther wall, tapetum: 1. Is the single, outermost layer II. Acts as nutritive layer III. Helps in the dispersal of microspores IV. Stores reserve food during early stages of microspore development

    A
    II & III
    B
    II and IV
    C
    I & II
    D
    III & IV

  • 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

    A
    II and III
    B
    I and II
    C
    I and III
    D
    III and IV

  • 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

    A
    I,II and III
    B
    I and III
    C
    II and III
    D
    I and II

    • Similar Questions

    Explore conceptually related problems

    Consider the following statements regarding Deuteromycetes and choose the option that best represent the statements. I. It is an artificial class of fungi. II. Asexual stages of these fungi are unknown . III. Deuteromycetes are called as fungi imperfecti . IV . Deuteromycetes are actually ascomycetes .

    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.

    Go through the following statements in respect of pea. I. A single gene product may produce more than one effect. II. BB produces round seed with large sized starch grain. III. bb produces wrinkled seed with small sized grain. IV. Bb produces round seeds with larged grain V. Heterozygote Bb produces round seed with intermediate sized starch grain. VI. Allele B is dominant over allele b in respect of seed shape but their relation is incomplete dominance in respect of starch grain size. How many of the above statements are correct?

    Home
    Profile