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Parthenium or carrot grass has become ub...

Parthenium or carrot grass has become ubiquitous in occurrence and causes pollen allergy. Parthenium came into India as a contaminant with imported

A

Wheat

B

Rice

C

Carrot

D

Rose

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The correct Answer is:
A
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PHYSICS WALLAH-SEXUAL REPRODUCTION IN FLOWERING PLANTS-LEVEL-2
  1. Part of exine where sporopollenin is not present are called

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  2. Main function of endothecium (in anther) is :-

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

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

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  5. Xenogamy is

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  6. The correct match of the following is:

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

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  8. Insect pollinated flowers usually possess:

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

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

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

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

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  13. Find the odd one wrt synergid

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

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

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  16. Advantage of cleistogamy is

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

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  18. Seed is not morphologically equivalent to spore because

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  19. In non edospermic seed or ex-albuminous seed

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  20. The correct match of the following is :

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